<?php
defined( 'ABSPATH' ) or	die( 'Cheatin&#8217; uh?' );

/**
 * Fix the capability for our capacity filter hook
 *
 * @since 2.6
 *
 * @param string $capability Capacity to access WP Rocket options.
 * @return string Updated capacity
 */
function rocket_correct_capability_for_options_page( $capability ) {
	/** This filter is documented in inc/admin-bar.php */
	return apply_filters( 'rocket_capacity', 'manage_options' );
}
add_filter( 'option_page_capability_wp_rocket', 'rocket_correct_capability_for_options_page' );

/**
 * Add submenu in menu "Settings"
 *
 * @since 1.0
 */
function rocket_admin_menu() {
	// do not use WP_ROCKET_PLUGIN_NAME here because if the WL has just been activated, the constant is not correct yet.
	$wl_plugin_name = get_rocket_option( 'wl_plugin_name', WP_ROCKET_PLUGIN_NAME );

	// same with WP_ROCKET_PLUGIN_SLUG.
	$wl_plugin_slug = sanitize_key( $wl_plugin_name );

	add_options_page( $wl_plugin_name, $wl_plugin_name, apply_filters( 'rocket_capacity', 'manage_options' ), $wl_plugin_slug, 'rocket_display_options' );
}
add_action( 'admin_menu', 'rocket_admin_menu' );

/**
 * Used to display fields on settings form
 *
 * @since 1.0
 *
 * @param array $args An array of arguments to populate the settings fields.
 */
function rocket_field( $args ) {
	if ( ! is_array( reset( $args ) ) ) {
		$args = array( $args );
	}

	$full = $args;

	foreach ( $full as $args ) {
		if ( ! is_array( $args ) ) {
			continue;
		}

		if ( isset( $args['display'] ) && ! $args['display'] ) {
			continue;
		}
		$args['label_for'] 	= isset( $args['label_for'] ) ? $args['label_for'] : '';
		$args['name'] 		= isset( $args['name'] ) ? $args['name'] : $args['label_for'];
		$parent 			= isset( $args['parent'] ) ? 'data-parent="' . sanitize_html_class( $args['parent'] ) . '"' : null;
		$placeholder 		= isset( $args['placeholder'] ) ? 'placeholder="' . $args['placeholder'] . '" ' : '';
		$class				= isset( $args['class'] ) ? sanitize_html_class( $args['class'] ) : sanitize_html_class( $args['name'] );
		$class 				.= ( $parent ) ? ' has-parent' : null;
		$label 				= isset( $args['label'] ) ? $args['label'] : '';
		$default			= isset( $args['default'] ) ? $args['default'] : '';
		$readonly			= isset( $args['readonly'] ) && $args['readonly'] ? ' readonly="readonly" disabled="disabled"' : '';
		$cols 				= isset( $args['cols'] ) ? (int) $args['cols'] : 50;
		$rows 				= isset( $args['rows'] ) ? (int) $args['rows'] : 5;

		if ( ! isset( $args['fieldset'] ) || 'start' === $args['fieldset'] ) {
			printf( '<fieldset class="fieldname-%1$s fieldtype-%2$s %3$s">',
				sanitize_html_class( $args['name'] ),
				sanitize_html_class( $args['type'] ),
				isset( $args['parent'] ) ? 'fieldparent-' . sanitize_html_class( $args['parent'] ) : ''
			);
		}

		switch ( $args['type'] ) {
			case 'number' :
			case 'email' :
			case 'text' :

				$value = get_rocket_option( $args['name'] );
				if ( false === $value ) {
					$value = $default;
				}

				$value 			= esc_attr( $value );
				$number_options = 'number' === $args['type'] ? ' min="0" class="small-text"' : '';
				$autocomplete 	= in_array( $args['name'], array( 'consumer_key', 'consumer_email' ), true ) ? ' autocomplete="off"' : '';
				$disabled 		= ( 'consumer_key' === $args['name'] && defined( 'WP_ROCKET_KEY' ) ) || ( 'consumer_email' === $args['name'] && defined( 'WP_ROCKET_EMAIL' ) ) ? ' disabled="disabled"' : $readonly;
				?>

					<legend class="screen-reader-text"><span><?php echo $args['label_screen']; ?></span></legend>
					<label><input<?php echo $autocomplete . $disabled; ?> type="<?php echo $args['type']; ?>"<?php echo $number_options; ?> id="<?php echo $args['label_for']; ?>" name="wp_rocket_settings[<?php echo $args['name']; ?>]" value="<?php echo $value; ?>" <?php echo $placeholder; ?><?php echo $readonly; ?>/> <?php echo $label; ?></label>

				<?php
			break;

			case 'cloudflare_api_key' :
				$value = get_rocket_option( $args['name'] );

				if ( 'cloudflare_api_key' === $args['name'] && defined( 'WP_ROCKET_CF_API_KEY' ) ) {
					$value = WP_ROCKET_CF_API_KEY;
				}

			    	$value 			= esc_attr( $value );
			    	$disabled 		= ( 'cloudflare_api_key' === $args['name'] && defined( 'WP_ROCKET_CF_API_KEY' ) ) ? ' disabled="disabled"' : $readonly;
			    	$cf_valid_credentials = false;
				if ( function_exists( 'rocket_cloudflare_valid_auth' ) ) {
					$cf_valid_credentials = ( is_wp_error( rocket_cloudflare_valid_auth() ) ) ? false : true;
				}
			    	?>
			    		<legend class="screen-reader-text"><span><?php echo $args['label_screen']; ?></span></legend>
			    		<label>
			    		    <input<?php echo $disabled; ?> type="text" id="<?php echo $args['label_for']; ?>" name="wp_rocket_settings[<?php echo $args['name']; ?>]" value="<?php echo $value; ?>" <?php echo $placeholder; ?><?php echo $readonly; ?>/> <?php echo $label; ?>
			    		    <?php if ( $cf_valid_credentials ) { ?>
				    		    <span id="rocket-check-cloudflare-api-container" class="rocket-cloudflare-api-valid">
								    <span class="dashicons dashicons-yes" aria-hidden="true"></span> <?php _e( 'Your Cloudflare credentials are valid.', 'rocket' ); ?>
								</span>
			    		    <?php } elseif ( ! $cf_valid_credentials && $value ) { ?>
				    		    <span id="rocket-check-cloudflare-api-container">
								    <span class="dashicons dashicons-no" aria-hidden="true"></span> <?php _e( 'Your Cloudflare credentials are invalid!', 'rocket' ); ?>
									</span>
			    		    <?php } ?>
						</label>

				<?php
			break;

			case 'textarea' :

				$t_temp = get_rocket_option( $args['name'], '' );

				if ( is_array( $t_temp ) ) {
					$t_temp = implode( "\n" , $t_temp );
				}

				$value = ! empty( $t_temp ) ? esc_textarea( $t_temp ) : '';

				if ( ! $value ) {
					$value = $default;
				}
				?>

					<legend class="screen-reader-text"><span><?php echo $args['label_screen']; ?></span></legend>
					<label><textarea id="<?php echo $args['label_for']; ?>" name="wp_rocket_settings[<?php echo $args['name']; ?>]" cols="<?php echo $cols; ?>" rows="<?php echo $rows; ?>"<?php echo $readonly; echo $placeholder; ?>><?php echo esc_html( $value ); ?></textarea>
					</label>

				<?php
			break;

			case 'checkbox' :
				if ( isset( $args['label_screen'] ) ) { ?>
					<legend class="screen-reader-text"><span><?php echo $args['label_screen']; ?></span></legend>
				<?php } ?>
					<label><input type="checkbox" id="<?php echo $args['name']; ?>" class="<?php echo $class; ?>" name="wp_rocket_settings[<?php echo $args['name']; ?>]" value="1"<?php echo $readonly; ?> <?php checked( get_rocket_option( $args['name'], $default ), 1 ); ?> <?php echo $parent; ?>/> <?php echo $args['label']; ?>
					</label>

			<?php
			break;

			case 'select' : ?>

					<legend class="screen-reader-text"><span><?php echo $args['label_screen']; ?></span></legend>
					<label>	<select id="<?php echo $args['name']; ?>" class="<?php echo $class; ?>" name="wp_rocket_settings[<?php echo $args['name']; ?>]"<?php echo $readonly; ?> <?php echo $parent; ?>>
							<?php foreach ( $args['options'] as $val => $title ) { ?>
								<option value="<?php echo $val; ?>" <?php selected( get_rocket_option( $args['name'] ), $val ); ?>><?php echo $title; ?></option>
							<?php } ?>
							</select>
					<?php echo $label; ?>
					</label>

			<?php
			break;

			case 'submit_optimize' : ?>

			<input type="submit" name="wp_rocket_settings[submit_optimize]" id="rocket_submit_optimize" class="button button-primary" value="<?php _e( 'Save and optimize', 'rocket' ); ?>"> <a href="<?php echo wp_nonce_url( admin_url( 'admin-post.php?action=rocket_optimize_database' ), 'rocket_optimize_database' ); ?>" class="button button-secondary"><?php _e( 'Optimize', 'rocket' ); ?></a>
			<?php break;

			case 'repeater' :

				$fields = new WP_Rocket_Repeater_Field( $args );
				$fields->render();

				break;

			case 'rocket_defered_module' :

					rocket_defered_module();

			break;

			case 'helper_description' :

				$description = isset( $args['description'] ) ? sprintf( '<p class="description help %1$s" %2$s><span class="dashicons dashicons-info" aria-hidden="true"></span><strong class="screen-reader-text">%3$s</strong> %4$s</p>', $class, $parent, _x( 'Note:', 'screen-reader-text', 'rocket' ), $args['description'] ) : '';
				echo apply_filters( 'rocket_help', $description, $args['name'], 'description' );

			break;

			case 'helper_performance' :

				$description = isset( $args['description'] ) ? sprintf( '<p class="description help tip--perf %1$s" %2$s><span class="dashicons dashicons-performance" aria-hidden="true"></span><strong class="screen-reader-text">%3$s</strong> <strong>%4$s</strong></p>', $class, $parent, _x( 'Performance tip:', 'screen-reader-text', 'rocket' ), $args['description'] ) : '';
				echo apply_filters( 'rocket_help', $description, $args['name'], 'description' );

			break;

			case 'helper_detection' :

				$description = isset( $args['description'] ) ? sprintf( '<p class="description help tip--detect %1$s" %2$s><span class="dashicons dashicons-visibility" aria-hidden="true"></span><strong class="screen-reader-text">%3$s</strong> %4$s</p>', $class, $parent, _x( 'Third-party feature detected:', 'screen-reader-text', 'rocket' ), $args['description'] ) : '';
				echo apply_filters( 'rocket_help', $description, $args['name'], 'description' );

			break;

			case 'helper_help' :

				$description = isset( $args['description'] ) ? sprintf( '<p class="description help tip--use %1$s" %2$s>%3$s</p>', $class, $parent, $args['description'] ) : '';
				echo apply_filters( 'rocket_help', $description, $args['name'], 'help' );

			break;

			case 'helper_warning' :

				$description = isset( $args['description'] ) ? sprintf( '<p class="description warning file-error %1$s" %2$s><span class="dashicons dashicons-warning" aria-hidden="true"></span><strong class="screen-reader-text">%3$s</strong> %4$s</p>', $class, $parent, _x( 'Warning:', 'screen-reader-text', 'rocket' ), $args['description'] ) : '';
				echo apply_filters( 'rocket_help', $description, $args['name'], 'warning' );

			break;

			case 'helper_panel_description' :

				$description = isset( $args['description'] ) ? sprintf( '<div class="rocket-panel-description"><p class="%1$s" %2$s>%3$s</p></div>', $class, $parent, $args['description'] ) : '';
				echo $description;

			break;

			case 'rocket_export_form' :
				?>
				<a href="<?php echo wp_nonce_url( admin_url( 'admin-post.php?action=rocket_export' ), 'rocket_export' ); ?>" id="export" class="button button-secondary rocketicon"><?php _ex( 'Download settings', 'button text', 'rocket' ); ?></a>
				<?php
			break;

			case 'rocket_import_upload_form' :

				rocket_import_upload_form( 'rocket_importer' );

			break;
			default : 'Type manquant ou incorrect'; // ne pas traduire.

		}

		if ( ! isset( $args['fieldset'] ) || 'end' === $args['fieldset'] ) {
			echo '</fieldset>';
		}
	}

}

/**
 * Used to display the defered module on settings form
 *
 * @since 1.1.0
 */
function rocket_defered_module() {
	?>
	<fieldset>
	<legend class="screen-reader-text"><span><?php _e( '<strong>JS</strong> files with Deferred Loading JavaScript', 'rocket' ); ?></span></legend>

	<div id="rkt-drop-deferred" class="rkt-module rkt-module-drop">

		<?php
		$deferred_js_files = get_rocket_option( 'deferred_js_files' );

		if ( $deferred_js_files ) {

			foreach ( $deferred_js_files as $k => $_url ) { ?>

				<p class="rkt-module-drag">
					<span class="dashicons dashicons-sort rkt-module-move hide-if-no-js"></span>

					<input style="width: 32em" type="text" placeholder="http://" class="deferred_js regular-text" name="wp_rocket_settings[deferred_js_files][<?php echo $k; ?>]" value="<?php echo esc_url( $_url ); ?>" />

					<span class="dashicons dashicons-no rkt-module-remove hide-if-no-js"></span>
				</p>
				<!-- .rkt-module-drag -->

			<?php
			}
		} else {
			// If no files yet, use this template inside #rkt-drop-deferred.
			?>

			<p class="rkt-module-drag">
				<span class="dashicons dashicons-sort rkt-module-move hide-if-no-js"></span>

				<input style="width: 32em" type="text" placeholder="http://" class="deferred_js regular-text" name="wp_rocket_settings[deferred_js_files][0]" value="" />
			</p>
			<!-- .rkt-module-drag -->

				<?php } ?>

	</div>
	<!-- .rkt-drop-deferred -->

	<?php // Clone Template. ?>

	<div class="rkt-module-model hide-if-js">

		<p class="rkt-module-drag">
			<span class="dashicons dashicons-sort rkt-module-move hide-if-no-js"></span>

			<input style="width: 32em" type="text" placeholder="http://" class="deferred_js regular-text" name="wp_rocket_settings[deferred_js_files][]" value="" />

			<span class="dashicons dashicons-no rkt-module-remove hide-if-no-js"></span>
		</p>
		<!-- .rkt-module-drag -->
	</div>
	<!-- .rkt-model-deferred-->

	<p><a href="javascript:void(0)" class="rkt-module-clone hide-if-no-js button-secondary"><?php _e( 'Add URL', 'rocket' ); ?></a></p>

<?php
}

/**
 * Used to display the CNAMES module on settings form
 *
 * @since 2.1
 */
function rocket_cnames_module() {
	?>
		<legend class="screen-reader-text"><span><?php _e( 'Replace site\'s hostname with:', 'rocket' ); ?></span></legend>

		<div id="rkt-cnames" class="rkt-module">

			<?php

			$cnames = get_rocket_option( 'cdn_cnames' );
			$cnames_zone = get_rocket_option( 'cdn_zone' );

			if ( $cnames ) {

				foreach ( $cnames as $k => $_url ) { ?>

				<p>

					<input style="width: 32em" type="text" placeholder="http://" class="regular-text" name="wp_rocket_settings[cdn_cnames][<?php echo $k; ?>]" value="<?php echo esc_attr( $_url ); ?>" />

					<label>
						<?php _e( 'reserved for', 'rocket' ); ?>
						<select name="wp_rocket_settings[cdn_zone][<?php echo $k; ?>]">
							<option value="all" <?php selected( $cnames_zone[ $k ], 'all' ); ?>><?php _e( 'All files', 'rocket' ); ?></option>
							<?php
							/**
							 * Controls the inclusion of images option for the CDN dropdown
							 *
							 * @since 2.10.7
							 * @author Remy Perona
							 *
							 * @param bool $allow true to add the option, false otherwise.
							 */
							if ( apply_filters( 'rocket_allow_cdn_images', true ) ) : ?>
							<option value="images" <?php selected( $cnames_zone[ $k ], 'images' ); ?>><?php _e( 'Images', 'rocket' ); ?></option>
							<?php endif; ?>
							<option value="css_and_js" <?php selected( $cnames_zone[ $k ], 'css_and_js' ); ?>>CSS & JavaScript</option>
							<option value="js" <?php selected( $cnames_zone[ $k ], 'js' ); ?>>JavaScript</option>
							<option value="css" <?php selected( $cnames_zone[ $k ], 'css' ); ?>>CSS</option>
						</select>
					</label>
					<span class="dashicons dashicons-no rkt-module-remove hide-if-no-js"></span>

				</p>

				<?php
				}
			} else {

				// If no files yet, use this template inside #rkt-cnames.
				?>

				<p>

					<input style="width: 32em" type="text" placeholder="http://" class="regular-text" name="wp_rocket_settings[cdn_cnames][]" value="" />

					<label>
						<?php _e( 'reserved for', 'rocket' ); ?>
						<select name="wp_rocket_settings[cdn_zone][]">
							<option value="all"><?php _e( 'All files', 'rocket' ); ?></option>
							<?php
							// this filter is defined in inc/admin/options.php.
							if ( apply_filters( 'rocket_allow_cdn_images', true ) ) : ?>
							<option value="images"><?php _e( 'Images', 'rocket' ); ?></option>
							<?php endif; ?>
							<option value="css_and_js">CSS & JavaScript</option>
							<option value="js">JavaScript</option>
							<option value="css">CSS</option>
						</select>
					</label>

				</p>

						<?php } ?>

		</div>

		<?php // Clone Template. ?>
		<div class="rkt-module-model hide-if-js">

			<p>

				<input style="width: 32em" type="text" placeholder="http://" class="regular-text" name="wp_rocket_settings[cdn_cnames][]" value="" />

				<label>
					<?php _e( 'reserved for', 'rocket' ); ?>
					<select name="wp_rocket_settings[cdn_zone][]">
						<option value="all"><?php _e( 'All files', 'rocket' ); ?></option>
						<?php
						// this filter is defined in inc/admin/options.php.
						if ( apply_filters( 'rocket_allow_cdn_images', true ) ) : ?>
						<option value="images"><?php _e( 'Images', 'rocket' ); ?></option>
						<?php endif; ?>
						<option value="css_and_js">CSS & JavaScript</option>
						<option value="js">JavaScript</option>
						<option value="css">CSS</option>
					</select>
				</label>
				<span class="dashicons dashicons-no rkt-module-remove hide-if-no-js"></span>

			</p>

		</div>

		<p><a href="javascript:void(0)" class="rkt-module-clone hide-if-no-js button-secondary"><?php _e( 'Add CNAME', 'rocket' ); ?></a></p>

	</fieldset>

<?php
}

/**
 * Used to display buttons on settings form, tools tab
 *
 * @since 1.1.0
 *
 * @param array $args An array of arguments to populate the button attributes.
 */
function rocket_button( $args ) {
	$button       = $args['button'];
	$desc         = isset( $args['helper_description'] ) ? $args['helper_description'] : null;
	$help         = isset( $args['helper_help'] ) ? $args['helper_help'] : null;
	$warning      = isset( $args['helper_warning'] ) ? $args['helper_warning'] : null;
	$id           = isset( $button['button_id'] ) ? sanitize_html_class( $button['button_id'] ) : null;
	$class        = sanitize_html_class( strip_tags( $button['button_label'] ) );
	$button_style = isset( $button['style'] ) ? 'button-' . sanitize_html_class( $button['style'] ) : 'button-secondary';

	if ( ! empty( $help ) ) {
		$help = '<p class="description help ' . $class . '">' . $help['description'] . '</p>';
	}
	if ( ! empty( $desc ) ) {
		$desc = sprintf( '<p class="description help %1$s"><span class="dashicons dashicons-info" aria-hidden="true"></span><strong class="screen-reader-text">%2$s</strong> %3$s</p>', $class, _x( 'Note:', 'screen-reader-text', 'rocket' ), $desc['description'] );
	}
	if ( ! empty( $warning ) ) {
		$warning = sprintf(
			'<p class="description warning file-error %1$s"><span class="dashicons dashicons-warning" aria-hidden="true"></span><strong class="screen-reader-text">%2$s</strong> %3$s</p>',
			$class,
			_x( 'Warning:', 'screen-reader-text', 'rocket' ),
			$warning['description']
		);
	}
?>
	<fieldset class="fieldname-<?php echo $class; ?> fieldtype-button">
		<?php
		if ( isset( $button['url'] ) ) {
			echo '<a href="' . esc_url( $button['url'] ) . '" id="' . $id . '" class="' . $button_style . ' rocketicon rocketicon-' . $class . '">' . wp_kses_post( $button['button_label'] ) . '</a>';
		} else {
			echo '<button id="' . $id . '" class="' . $button_style . ' rocketicon rocketicon-' . $class . '">' . wp_kses_post( $button['button_label'] ) . '</button>';
		}
		?>


		<?php echo apply_filters( 'rocket_help', $desc, sanitize_key( strip_tags( $button['button_label'] ) ), 'description' ); ?>
		<?php echo apply_filters( 'rocket_help', $help, sanitize_key( strip_tags( $button['button_label'] ) ), 'help' ); ?>
		<?php echo apply_filters( 'rocket_help', $warning, sanitize_key( strip_tags( $button['button_label'] ) ), 'warning' ); ?>

	</fieldset>
<?php
}

/**
 * Used to display videos buttons on settings form
 *
 * @since 2.2
 *
 * @param array $args An array of arguments to populate the video attributes.
 */
function rocket_video( $args ) {
	$desc = '<p class="description desc ' . sanitize_html_class( $args['name'] ) . '">' . $args['description'] . '</p>';
?>
	<fieldset class="fieldname-<?php echo $args['name']; ?> fieldtype-button">
		<a href="<?php echo esc_url( $args['url'] ); ?>" class="button-secondary fancybox rocketicon rocketicon-video"><?php _e( 'Watch the video', 'rocket' ); ?></a>
		<?php echo apply_filters( 'rocket_help', $desc, $args['name'], 'description' ); ?>
	</fieldset>
<?php
}

/**
 * Used to include a file in any tab
 *
 * @since 2.2
 *
 * @param array $args An array of arguments to include the file.
 */
function rocket_include( $args ) {
	include_once( dirname( __FILE__ ) . '/' . str_replace( '..', '', $args['file'] ) . '.inc.php' );
}

/**
 * The main settings page construtor using the required functions from WP
 *
 * @since 1.1.0 Add tabs, tools tab and change options severity
 * @since 1.0
 */
function rocket_display_options() {
	$modules = array(
		'api-key',
		'basic',
		'advanced',
		'optimization',
		'database',
		'preload',
		'cloudflare',
		'cdn',
		'varnish',
		'white-label',
		'tools',
		'support',
	);

	foreach ( $modules as $module ) {
		require( WP_ROCKET_ADMIN_UI_MODULES_PATH . $module . '.php' );
	}

	$heading_tag = version_compare( $GLOBALS['wp_version'], '4.3' ) >= 0 ? 'h1' : 'h2';
	?>

	<div class="wrap">

	<<?php echo $heading_tag; ?>><?php echo WP_ROCKET_PLUGIN_NAME; ?> <small><sup><?php echo WP_ROCKET_VERSION; ?></sup></small></<?php echo $heading_tag; ?>>
	<form action="options.php" id="rocket_options" method="post" enctype="multipart/form-data">
		<?php
		settings_fields( 'wp_rocket' );

		rocket_hidden_fields(
			array(
				'consumer_key',
				'consumer_email',
				'secret_key',
				'license',
				'secret_cache_key',
				'minify_css_key',
				'minify_js_key',
				'version',
				'cloudflare_old_settings',
				'cloudflare_zone_id',
				'minify_css_legacy',
				'minify_js_legacy',
			)
		);

		submit_button();
		?>
		<h2 class="nav-tab-wrapper hide-if-no-js">
			<?php if ( rocket_valid_key() ) { ?>
				<a href="#tab_basic" class="nav-tab"><?php _e( 'Basic', 'rocket' ); ?></a>
				<a href="#tab_optimization" class="nav-tab"><?php _e( 'Static Files', 'rocket' ); ?></a>
				<a href="#tab_cdn" class="nav-tab"><?php _e( 'CDN', 'rocket' ); ?></a>
				<a href="#tab_advanced" class="nav-tab"><?php _e( 'Advanced', 'rocket' ); ?></a>
				<a href="#tab_database" class="nav-tab"><?php _e( 'Database', 'rocket' ); ?></a>
				<a href="#tab_preload" class="nav-tab"><?php _e( 'Preload', 'rocket' ); ?></a>
				<?php if ( get_rocket_option( 'do_cloudflare' ) ) { ?>
					<a href="#tab_cloudflare" class="nav-tab">Cloudflare</a>
				<?php }
				/** This filter is documented in inc/admin/ui/modules/vanrish.php */
				if ( apply_filters( 'rocket_display_varnish_options_tab', true ) ) { ?>
				<a href="#tab_varnish" class="nav-tab">Varnish</a>
				<?php } ?>
				<?php if ( defined( 'WP_RWL' ) ) { ?>
					<a href="#tab_whitelabel" class="nav-tab"><?php _e( 'White Label', 'rocket' ); ?></a>
				<?php } ?>
				<a href="#tab_tools" class="nav-tab"><?php _e( 'Tools', 'rocket' ); ?></a>
				<?php if ( ! rocket_is_white_label() ) { ?>
					<a href="#tab_support" class="nav-tab"><?php _e( 'Support', 'rocket' ); ?></a>
				<?php } ?>
			<?php } else { ?>
				<a href="#tab_apikey" class="nav-tab"><?php _e( 'License', 'rocket' ); ?></a>
			<?php }  ?>
			<?php
			do_action( 'rocket_tab', rocket_valid_key() );
			?>
		</h2>
		<div id="rockettabs">
			<?php if ( rocket_valid_key() ) { ?>
				<div class="rkt-tab" id="tab_basic"><?php do_settings_sections( 'rocket_basic' ); ?></div>
				<div class="rkt-tab" id="tab_optimization"><?php do_settings_sections( 'rocket_optimization' ); ?></div>
				<div class="rkt-tab" id="tab_cdn"><?php do_settings_sections( 'rocket_cdn' ); ?></div>
				<div class="rkt-tab" id="tab_advanced"><?php do_settings_sections( 'rocket_advanced' ); ?></div>
				<div class="rkt-tab" id="tab_database"><?php do_settings_sections( 'rocket_database' ); ?></div>
				<div class="rkt-tab" id="tab_preload"><?php do_settings_sections( 'rocket_preload' ); ?></div>
				<div class="rkt-tab" id="tab_cloudflare" <?php echo get_rocket_option( 'do_cloudflare' ) ? '' : 'style="display:none"'; ?>><?php do_settings_sections( 'rocket_cloudflare' ); ?></div>
				<?php
				/** This filter is documented in inc/admin/ui/modules/vanrish.php */
				if ( apply_filters( 'rocket_display_varnish_options_tab', true ) ) { ?>
					<div class="rkt-tab" id="tab_varnish"><?php do_settings_sections( 'rocket_varnish' ); ?></div>
				<?php } ?>
				<?php $class_hidden = ! defined( 'WP_RWL' ) ? ' hidden' : ''; ?>
				<div class="rkt-tab<?php echo $class_hidden; ?>" id="tab_whitelabel"><?php do_settings_sections( 'rocket_white_label' ); ?></div>
				<div class="rkt-tab" id="tab_tools"><?php do_settings_sections( 'rocket_tools' ); ?></div>
				<?php if ( ! rocket_is_white_label() ) { ?>
					<div class="rkt-tab rkt-tab-txt" id="tab_support"><?php do_settings_sections( 'rocket_support' ); ?></div>
				<?php } ?>
			<?php } else { ?>
				<div class="rkt-tab" id="tab_apikey"><?php do_settings_sections( 'rocket_apikey' ); ?></div>
			<?php } ?>
			<?php
			do_action( 'rocket_tab_content', rocket_valid_key() );
			?>
		</div>
		<?php submit_button(); ?>
	</form>
<?php
}

/**
 * Tell to WordPress to be confident with our setting, we are clean!
 *
 * @since 1.0
 */
function rocket_register_setting() {
	register_setting( 'wp_rocket', WP_ROCKET_SLUG, 'rocket_settings_callback' );
}
add_action( 'admin_init', 'rocket_register_setting' );

/**
 * Used to clean and sanitize the settings fields
 *
 * @since 1.0
 *
 * @param array $inputs An array of values submitted by the settings form.
 */
function rocket_settings_callback( $inputs ) {
	if ( isset( $_GET['action'] ) && 'purge_cache' === $_GET['action'] ) {
		return $inputs;
	}

	/*
	 * Option : Minification CSS & JS
	 */
	$inputs['minify_css'] = ! empty( $inputs['minify_css'] ) ? 1 : 0;
	$inputs['minify_js']  = ! empty( $inputs['minify_js'] ) ? 1 : 0;

	// Option: mobile cache
	if ( rocket_is_mobile_plugin_active() ) {
		$inputs['cache_mobile'] = 1;
		$inputs['do_caching_mobile_files'] = 1;
	}

	/*
	 * Option : Purge delay
	 */
	$inputs['purge_cron_interval'] = isset( $inputs['purge_cron_interval'] ) ? (int) $inputs['purge_cron_interval'] : get_rocket_option( 'purge_cron_interval' );
	$inputs['purge_cron_unit'] = isset( $inputs['purge_cron_unit'] ) ? $inputs['purge_cron_unit'] : get_rocket_option( 'purge_cron_unit' );

	if ( $inputs['purge_cron_interval'] < 10 && 'MINUTE_IN_SECONDS' === $inputs['purge_cron_unit'] ) {
		$inputs['purge_cron_interval'] = 10;
	}

	/*
	 * Option : Remove query strings
	 */
	$inputs['remove_query_strings'] = ! empty( $inputs['remove_query_strings'] ) ? 1 : 0;

	/*
	 * Option : Prefetch DNS requests
	 */
	if ( ! empty( $inputs['dns_prefetch'] ) ) {
		if ( ! is_array( $inputs['dns_prefetch'] ) ) {
			$inputs['dns_prefetch'] = explode( "\n", $inputs['dns_prefetch'] );
		}
		$inputs['dns_prefetch'] = array_map( 'trim', $inputs['dns_prefetch'] );
		$inputs['dns_prefetch'] = array_map( 'esc_url', $inputs['dns_prefetch'] );
		$inputs['dns_prefetch'] = (array) array_filter( $inputs['dns_prefetch'] );
		$inputs['dns_prefetch'] = array_unique( $inputs['dns_prefetch'] );
	} else {
		$inputs['dns_prefetch'] = array();
	}

	/*
	 * Option : Empty the cache of the following pages when updating an article
	 */
	if ( ! empty( $inputs['cache_purge_pages'] ) ) {
		if ( ! is_array( $inputs['cache_purge_pages'] ) ) {
			$inputs['cache_purge_pages'] = explode( "\n", $inputs['cache_purge_pages'] );
		}
		$inputs['cache_purge_pages'] = array_map( 'trim', $inputs['cache_purge_pages'] );
		$inputs['cache_purge_pages'] = array_map( 'esc_url', $inputs['cache_purge_pages'] );
		$inputs['cache_purge_pages'] = array_map( 'rocket_clean_exclude_file', $inputs['cache_purge_pages'] );
		$inputs['cache_purge_pages'] = (array) array_filter( $inputs['cache_purge_pages'] );
		$inputs['cache_purge_pages'] = array_unique( $inputs['cache_purge_pages'] );
	} else {
		$inputs['cache_purge_pages'] = array();
	}

	/*
	 * Option : Never cache the following pages
	 */
	if ( ! empty( $inputs['cache_reject_uri'] ) ) {
		if ( ! is_array( $inputs['cache_reject_uri'] ) ) {
			$inputs['cache_reject_uri'] = explode( "\n", $inputs['cache_reject_uri'] );
		}
		$inputs['cache_reject_uri'] = array_map( 'trim', $inputs['cache_reject_uri'] );
		$inputs['cache_reject_uri'] = array_map( 'esc_url', $inputs['cache_reject_uri'] );
		$inputs['cache_reject_uri'] = array_map( 'rocket_clean_exclude_file', $inputs['cache_reject_uri'] );
		$inputs['cache_reject_uri'] = (array) array_filter( $inputs['cache_reject_uri'] );
		$inputs['cache_reject_uri'] = array_unique( $inputs['cache_reject_uri'] );
	} else {
		$inputs['cache_reject_uri'] = array();
	}

	/*
	 * Option : Don't cache pages that use the following cookies
	 */
	if ( ! empty( $inputs['cache_reject_cookies'] ) ) {
		if ( ! is_array( $inputs['cache_reject_cookies'] ) ) {
			$inputs['cache_reject_cookies'] = explode( "\n", $inputs['cache_reject_cookies'] );
		}
		$inputs['cache_reject_cookies'] = array_map( 'trim', $inputs['cache_reject_cookies'] );
		$inputs['cache_reject_cookies'] = array_map( 'rocket_sanitize_key', $inputs['cache_reject_cookies'] );
		$inputs['cache_reject_cookies'] = (array) array_filter( $inputs['cache_reject_cookies'] );
		$inputs['cache_reject_cookies'] = array_unique( $inputs['cache_reject_cookies'] );
	} else {
		$inputs['cache_reject_cookies'] = array();
	}

	/*
	 * Option : Cache pages that use the following query strings (GET parameters)
	 */
	if ( ! empty( $inputs['cache_query_strings'] ) ) {
		if ( ! is_array( $inputs['cache_query_strings'] ) ) {
			$inputs['cache_query_strings'] = explode( "\n", $inputs['cache_query_strings'] );
		}
		$inputs['cache_query_strings'] = array_map( 'trim', $inputs['cache_query_strings'] );
		$inputs['cache_query_strings'] = array_map( 'rocket_sanitize_key', $inputs['cache_query_strings'] );
		$inputs['cache_query_strings'] = (array) array_filter( $inputs['cache_query_strings'] );
		$inputs['cache_query_strings'] = array_unique( $inputs['cache_query_strings'] );
	} else {
		$inputs['cache_query_strings'] = array();
	}

	/*
	 * Option : Never send cache pages for these user agents
	 */
	if ( ! empty( $inputs['cache_reject_ua'] ) ) {
		if ( ! is_array( $inputs['cache_reject_ua'] ) ) {
			$inputs['cache_reject_ua'] = explode( "\n", $inputs['cache_reject_ua'] );
		}
		$inputs['cache_reject_ua'] = array_map( 'trim', $inputs['cache_reject_ua'] );
		$inputs['cache_reject_ua'] = array_map( 'rocket_sanitize_ua', $inputs['cache_reject_ua'] );
		$inputs['cache_reject_ua'] = (array) array_filter( $inputs['cache_reject_ua'] );
		$inputs['cache_reject_ua'] = array_unique( $inputs['cache_reject_ua'] );
	} else {
		$inputs['cache_reject_ua'] = array();
	}

	/*
	 * Option : CSS files to exclude of the minification
	 */
	if ( ! empty( $inputs['exclude_css'] ) ) {
		if ( ! is_array( $inputs['exclude_css'] ) ) {
			$inputs['exclude_css'] = explode( "\n", $inputs['exclude_css'] );
		}
		$inputs['exclude_css'] = array_map( 'trim', $inputs['exclude_css'] );
		$inputs['exclude_css'] = array_map( 'rocket_clean_exclude_file', $inputs['exclude_css'] );
		$inputs['exclude_css'] = array_map( 'rocket_sanitize_css', $inputs['exclude_css'] );
		$inputs['exclude_css'] = (array) array_filter( $inputs['exclude_css'] );
		$inputs['exclude_css'] = array_unique( $inputs['exclude_css'] );
	} else {
		$inputs['exclude_css'] = array();
	}

	/*
	 * Option : JS files to exclude of the minification
	 */
	if ( ! empty( $inputs['exclude_js'] ) ) {
		if ( ! is_array( $inputs['exclude_js'] ) ) {
			$inputs['exclude_js'] = explode( "\n", $inputs['exclude_js'] );
		}
		$inputs['exclude_js'] = array_map( 'trim', $inputs['exclude_js'] );
		$inputs['exclude_js'] = array_map( 'rocket_clean_exclude_file', $inputs['exclude_js'] );
		$inputs['exclude_js'] = array_map( 'rocket_sanitize_js', $inputs['exclude_js'] );
		$inputs['exclude_js'] = (array) array_filter( $inputs['exclude_js'] );
		$inputs['exclude_js'] = array_unique( $inputs['exclude_js'] );
	} else {
		$inputs['exclude_js'] = array();
	}

	// Option: Critical CSS
	$inputs['critical_css'] = ! empty( $inputs['critical_css'] ) ? str_replace( array( '<style>', '</style>' ), '', $inputs['critical_css'] ) : '';

	/*
	 * Option : JS files to exclude from defer JS
	 */
	if ( ! empty( $inputs['exclude_defer_js'] ) ) {
		if ( ! is_array( $inputs['exclude_defer_js'] ) ) {
			$inputs['exclude_defer_js'] = explode( "\n", $inputs['exclude_defer_js'] );
		}
		$inputs['exclude_defer_js'] = array_map( 'trim', $inputs['exclude_defer_js'] );
		$inputs['exclude_defer_js'] = array_unique( $inputs['exclude_defer_js'] );
		$inputs['exclude_defer_js'] = array_map( 'rocket_sanitize_js', $inputs['exclude_defer_js'] );
		$inputs['exclude_defer_js'] = array_filter( $inputs['exclude_defer_js'] );
	} else {
		$inputs['exclude_defer_js'] = array();
	}

	/*
	 * Option : JS files with deferred loading
	 */
	if ( ! empty( $inputs['deferred_js_files'] ) ) {
		$inputs['deferred_js_files'] = array_unique( $inputs['deferred_js_files'] );
		$inputs['deferred_js_files'] = array_map( 'rocket_sanitize_js', $inputs['deferred_js_files'] );
		$inputs['deferred_js_files'] = array_filter( $inputs['deferred_js_files'] );
	} else {
		$inputs['deferred_js_files'] = array();
	}

	/*
	 * Option : JS files of the minification to insert in footer
	 */
	if ( ! empty( $inputs['minify_js_in_footer'] ) ) {
		foreach ( $inputs['minify_js_in_footer'] as $k => $url ) {
			if ( in_array( $url, $inputs['deferred_js_files'], true ) ) {
				unset( $inputs['minify_js_in_footer'][ $k ] );
			}
		}

		$inputs['minify_js_in_footer'] = array_filter( array_map( 'rocket_sanitize_js', array_unique( $inputs['minify_js_in_footer'] ) ) );
	} else {
		$inputs['minify_js_in_footer'] = array();
	}

	/**
	 * Database options
	 */
	$inputs['database_revisions']          = ! empty( $inputs['database_revisions'] ) ? 1 : 0;
	$inputs['database_auto_drafts']        = ! empty( $inputs['database_auto_drafts'] ) ? 1 : 0;
	$inputs['database_trashed_posts']      = ! empty( $inputs['database_trashed_posts'] ) ? 1 : 0;
	$inputs['database_spam_comments']      = ! empty( $inputs['database_spam_comments'] ) ? 1 : 0;
	$inputs['database_trashed_comments']   = ! empty( $inputs['database_trashed_comments'] ) ? 1 : 0;
	$inputs['database_expired_transients'] = ! empty( $inputs['database_expired_transients'] ) ? 1 : 0;
	$inputs['database_all_transients']     = ! empty( $inputs['database_all_transients'] ) ? 1 : 0;
	$inputs['database_optimize_tables']    = ! empty( $inputs['database_optimize_tables'] ) ? 1 : 0;
	$inputs['schedule_automatic_cleanup']  = ! empty( $inputs['schedule_automatic_cleanup'] ) ? 1 : 0;
	$inputs['automatic_cleanup_frequency'] = ! empty( $inputs['automatic_cleanup_frequency'] ) ? $inputs['automatic_cleanup_frequency'] : '';

	if ( 1 !== $inputs['schedule_automatic_cleanup'] && ( 'daily' !== $inputs['automatic_cleanup_frequency'] || 'weekly' !== $inputs['automatic_cleanup_frequency'] || 'monthly' !== $inputs['automatic_cleanup_frequency'] ) ) {
		unset( $inputs['automatic_cleanup_frequency'] );
	}

	/**
	 * Options: Activate bot preload
	 */
	$inputs['manual_preload']    = ! empty( $inputs['manual_preload'] ) ? 1 : 0;
	$inputs['automatic_preload'] = ! empty( $inputs['automatic_preload'] ) ? 1 : 0;

	/*
     * Option: activate sitemap preload
     */
	$inputs['sitemap_preload'] = ! empty( $inputs['sitemap_preload'] ) ? 1 : 0;

	/*
     * Option : XML sitemaps URLs
     */
	if ( ! empty( $inputs['sitemaps'] ) ) {
		if ( ! is_array( $inputs['sitemaps'] ) ) {
			$inputs['sitemaps'] = explode( "\n", $inputs['sitemaps'] );
		}
		$inputs['sitemaps'] = array_map( 'trim', $inputs['sitemaps'] );
		$inputs['sitemaps'] = array_map( 'rocket_sanitize_xml', $inputs['sitemaps'] );
		$inputs['sitemaps'] = (array) array_filter( $inputs['sitemaps'] );
		$inputs['sitemaps'] = array_unique( $inputs['sitemaps'] );
	} else {
		$inputs['sitemaps'] = array();
	}

	/*
	 * Option : CloudFlare Domain
	 */
	if ( ! empty( $inputs['cloudflare_domain'] ) ) {
		$inputs['cloudflare_domain'] = rocket_get_domain( $inputs['cloudflare_domain'] );
	} else {
		$inputs['cloudflare_domain'] = '';
	}

	$inputs['cloudflare_devmode'] = ( isset( $inputs['cloudflare_devmode'] ) && is_numeric( $inputs['cloudflare_devmode'] ) ) ? (int) $inputs['cloudflare_devmode'] : 0;
	$inputs['cloudflare_auto_settings'] = ( isset( $inputs['cloudflare_auto_settings'] ) && is_numeric( $inputs['cloudflare_auto_settings'] ) ) ? (int) $inputs['cloudflare_auto_settings'] : 0;

	/*
	 * Option : WL
	 */
	$inputs['wl_plugin_name'] = isset( $inputs['wl_plugin_name'] ) ? wp_strip_all_tags( $inputs['wl_plugin_name'] ) : get_rocket_option( 'wl_plugin_name' );
	$inputs['wl_plugin_URI']  = isset( $inputs['wl_plugin_URI'] )  ? esc_url( $inputs['wl_plugin_URI'] )            : get_rocket_option( 'wl_plugin_URI' );
	$inputs['wl_author']      = isset( $inputs['wl_author'] )      ? wp_strip_all_tags( $inputs['wl_author'] )      : get_rocket_option( 'wl_author' );
	$inputs['wl_author_URI']  = isset( $inputs['wl_author_URI'] )  ? esc_url( $inputs['wl_author_URI'] )            : get_rocket_option( 'wl_author_URI' );
	$inputs['wl_description'] = isset( $inputs['wl_description'] ) ? (array) $inputs['wl_description']               : get_rocket_option( 'wl_description' );
	$inputs['wl_plugin_slug'] = sanitize_key( $inputs['wl_plugin_name'] );

	/*
	 * Option : CloudFlare
	 */
	if ( defined( 'WP_ROCKET_CF_API_KEY' ) ) {
		$inputs['cloudflare_api_key'] = get_rocket_option( 'cloudflare_api_key' );
	}

	/*
	 * Option : CDN
	 */
	$inputs['cdn_cnames'] = isset( $inputs['cdn_cnames'] ) ? array_unique( array_filter( $inputs['cdn_cnames'] ) ) : array();

	if ( ! $inputs['cdn_cnames'] ) {
		$inputs['cdn_zone'] = array();
	} else {
		$total_cdn_cnames = max( array_keys( $inputs['cdn_cnames'] ) );
		for ( $i = 0; $i <= $total_cdn_cnames; $i++ ) {
			if ( ! isset( $inputs['cdn_cnames'][ $i ] ) ) {
				unset( $inputs['cdn_zone'][ $i ] );
			} else {
				$inputs['cdn_zone'][ $i ] = isset( $inputs['cdn_zone'][ $i ] ) ? $inputs['cdn_zone'][ $i ] : 'all';
			}
		}

		$inputs['cdn_cnames'] 	= array_values( $inputs['cdn_cnames'] );
		$inputs['cdn_cnames']   = array_map( 'untrailingslashit', $inputs['cdn_cnames'] );
		ksort( $inputs['cdn_zone'] );
		$inputs['cdn_zone'] 	= array_values( $inputs['cdn_zone'] );
	}

	/*
	 * Option : Files to exclude of the CDN process
	 */
	if ( ! empty( $inputs['cdn_reject_files'] ) ) {
		if ( ! is_array( $inputs['cdn_reject_files'] ) ) {
			$inputs['cdn_reject_files'] = explode( "\n", $inputs['cdn_reject_files'] );
		}
		$inputs['cdn_reject_files'] = array_map( 'trim', $inputs['cdn_reject_files'] );
		$inputs['cdn_reject_files'] = array_map( 'rocket_clean_exclude_file', $inputs['cdn_reject_files'] );
		$inputs['cdn_reject_files'] = (array) array_filter( $inputs['cdn_reject_files'] );
		$inputs['cdn_reject_files'] = array_unique( $inputs['cdn_reject_files'] );
	} else {
		$inputs['cdn_reject_files'] = array();
	}

	/*
	 * Option: Support
	 */
	$fake_options = array(
		'support_summary',
		'support_description',
		'support_documentation_validation',
	);

	foreach ( $fake_options as $option ) {
		if ( isset( $inputs[ $option ] ) ) {
			unset( $inputs[ $option ] );
		}
	}

	$filename_prefix = rocket_is_white_label() ? sanitize_title( get_rocket_option( 'wl_plugin_name' ) ) : 'wp-rocket';

	if ( isset( $_FILES['import'] ) && 0 !== $_FILES['import']['size'] && $settings = rocket_handle_settings_import( $_FILES['import'], $filename_prefix, $inputs ) ) {
		$inputs = $settings;
	}

	if ( ! rocket_valid_key() ) {
		$checked = rocket_check_key();
	}

	if ( isset( $checked ) && is_array( $checked ) ) {
		$inputs['consumer_key']   = $checked['consumer_key'];
		$inputs['consumer_email'] = $checked['consumer_email'];
		$inputs['secret_key']     = $checked['secret_key'];
	}

	if ( rocket_valid_key() && ! empty( $inputs['secret_key'] ) && ! isset( $inputs['ignore'] ) ) {
		unset( $inputs['ignore'] );
		add_settings_error( 'general', 'settings_updated', __( 'Settings saved.', 'rocket' ), 'updated' );
	}

	return apply_filters( 'rocket_inputs_sanitize', $inputs );
}

/**
 * When our settings are saved: purge, flush, preload!
 *
 * @since 1.0
 *
 * When the White Label Plugin name has changed, redirect on the correct page slug name to avoid a "you dont have permission" false negative annoying page
 * When the settins menu is hidden, redirect on the main settings page to avoid the same thing
 * (Only when a form is sent from our options page )
 *
 * @since 2.1
 *
 * @param array $oldvalue An array of previous values for the settings.
 * @param array $value An array of submitted values for the settings.
 */
function rocket_after_save_options( $oldvalue, $value ) {
	if ( ! ( is_array( $oldvalue ) && is_array( $value ) ) ) {
		return;
	}

	// These values do not need to clean the cache domain.
	$removed = array(
		'purge_cron_interval' => true,
		'purge_cron_unit'     => true,
		'wl_plugin_name'      => true,
		'wl_plugin_URI'       => true,
		'wl_author'           => true,
		'wl_author_URI'       => true,
		'wl_description'      => true,
		'wl_plugin_slug'      => true,
	);

	// Create 2 arrays to compare.
	$oldvalue_diff 	= array_diff_key( $oldvalue, $removed );
	$value_diff 	= array_diff_key( $value, $removed );

	// If it's different, clean the domain.
	if ( md5( serialize( $oldvalue_diff ) ) !== md5( serialize( $value_diff ) ) ) {
		// Purge all cache files.
		rocket_clean_domain();
	}

	// Purge all minify cache files.
	if ( ! empty( $_POST ) && ( $oldvalue['minify_css'] !== $value['minify_css'] || $oldvalue['exclude_css'] !== $value['exclude_css'] ) || ( isset( $oldvalue['cdn'] ) && ! isset( $value['cdn'] ) || ! isset( $oldvalue['cdn'] ) && isset( $value['cdn'] ) ) ) {
		rocket_clean_minify( 'css' );
	}

	if ( ! empty( $_POST ) && ( $oldvalue['minify_js'] !== $value['minify_js'] || $oldvalue['exclude_js'] !== $value['exclude_js'] ) || ( isset( $oldvalue['cdn'] ) && ! isset( $value['cdn'] ) || ! isset( $oldvalue['cdn'] ) && isset( $value['cdn'] ) ) ) {
		rocket_clean_minify( 'js' );
	}

	// Purge all cache busting files.
	if ( ! empty( $_POST ) && ( $oldvalue['remove_query_strings'] !== $value['remove_query_strings'] ) ) {
		rocket_clean_cache_busting();
		wp_remote_get(
			home_url(),
			array(
				'timeout'    => 0.01,
				'blocking'   => false,
				'user-agent' => 'wprocketbot',
				'sslverify'  => apply_filters( 'https_local_ssl_verify', true ),
			)
		);
	}

	if ( $oldvalue['minify_css'] !== $value['minify_css'] && 0 === $value['minify_css'] ) {
		if ( ! isset( $value['minify_css_legacy'] ) || 0 !== $value['minify_css_legacy'] ) {
			update_rocket_option( 'minify_css_legacy', 0 );
			rocket_generate_config_file();
		}
	}

	if ( $oldvalue['minify_js'] !== $value['minify_js'] && 0 === $value['minify_js'] ) {
		if ( ! isset( $value['minify_js_legacy'] ) || 0 !== $value['minify_js_legacy'] ) {
			update_rocket_option( 'minify_js_legacy', 0 );
			rocket_generate_config_file();
		}
	}

	// Performs the database optimization when settings are saved with the "save and optimize" submit button".
	if ( ! empty( $_POST ) && isset( $_POST['wp_rocket_settings']['submit_optimize'] ) ) {
		do_rocket_database_optimization();
	}

	// Update CloudFlare Development Mode.
	$cloudflare_update_result = array();

	if ( ! empty( $_POST ) && isset( $oldvalue['cloudflare_devmode'], $value['cloudflare_devmode'] ) && (int) $oldvalue['cloudflare_devmode'] !== (int) $value['cloudflare_devmode'] ) {
		$cloudflare_dev_mode_return = set_rocket_cloudflare_devmode( $value['cloudflare_devmode'] );

		if ( is_wp_error( $cloudflare_dev_mode_return ) ) {
			$cloudflare_update_result[] = array( 'result' => 'error', 'message' => sprintf( __( 'Cloudflare development mode error: %s', 'rocket' ), $cloudflare_dev_mode_return->get_error_message() ) );
		} else {
			$cloudflare_update_result[] = array( 'result' => 'success', 'message' => sprintf( __( 'Cloudflare development mode %s', 'rocket' ), $cloudflare_dev_mode_return ) );
		}
	}

	// Update CloudFlare settings.
	if ( ! empty( $_POST ) && isset( $oldvalue['cloudflare_auto_settings'], $value['cloudflare_auto_settings'] ) && (int) $oldvalue['cloudflare_auto_settings'] !== (int) $value['cloudflare_auto_settings'] ) {
		$cf_old_settings          = explode( ',', $value['cloudflare_old_settings'] );
		// Set Cache Level to Aggressive.
		$cf_cache_level = ( isset( $cf_old_settings[0] ) && 0 === $value['cloudflare_auto_settings'] ) ? $cf_old_settings[0] : 'aggressive';
		$cf_cache_level_return = set_rocket_cloudflare_cache_level( $cf_cache_level );

		if ( is_wp_error( $cf_cache_level_return ) ) {
			$cloudflare_update_result[] = array( 'result' => 'error', 'message' => sprintf( __( 'Cloudflare cache level error: %s', 'rocket' ), $cf_cache_level_return->get_error_message() ) );
		} else {
			$cloudflare_update_result[] = array( 'result' => 'success', 'message' => sprintf( __( 'Cloudflare cache level set to %s', 'rocket' ), $cf_cache_level_return ) );
		}

		// Active Minification for HTML, CSS & JS.
		$cf_minify        = ( isset( $cf_old_settings[1] ) && 0 === $value['cloudflare_auto_settings'] ) ? $cf_old_settings[1] : 'on';
		$cf_minify_return = set_rocket_cloudflare_minify( $cf_minify );

		if ( is_wp_error( $cf_minify_return ) ) {
			$cloudflare_update_result[] = array( 'result' => 'error', 'message' => sprintf( __( 'Cloudflare minification error: %s', 'rocket' ), $cf_minify_return->get_error_message() ) );
		} else {
			$cloudflare_update_result[] = array( 'result' => 'success', 'message' => sprintf( __( 'Cloudflare minification %s', 'rocket' ), $cf_minify_return ) );
		}

		// Deactivate Rocket Loader to prevent conflicts.
		$cf_rocket_loader = ( isset( $cf_old_settings[2] ) && 0 === $value['cloudflare_auto_settings'] ) ? $cf_old_settings[2] : 'off';
		$cf_rocket_loader_return = set_rocket_cloudflare_rocket_loader( $cf_rocket_loader );

		if ( is_wp_error( $cf_rocket_loader_return ) ) {
			$cloudflare_update_result[] = array( 'result' => 'error', 'message' => sprintf( __( 'Cloudflare rocket loader error: %s', 'rocket' ), $cf_rocket_loader_return->get_error_message() ) );
		} else {
			$cloudflare_update_result[] = array( 'result' => 'success', 'message' => sprintf( __( 'Cloudflare rocket loader %s', 'rocket' ), $cf_rocket_loader_return ) );
		}

		// Set Browser cache to 1 month.
		$cf_browser_cache_ttl = ( isset( $cf_old_settings[3] ) && 0 === $value['cloudflare_auto_settings'] ) ? $cf_old_settings[3] : '2678400';
		$cf_browser_cache_return = set_rocket_cloudflare_browser_cache_ttl( $cf_browser_cache_ttl );

		if ( is_wp_error( $cf_browser_cache_return ) ) {
			$cloudflare_update_result[] = array( 'result' => 'error', 'message' => sprintf( __( 'Cloudflare browser cache error: %s', 'rocket' ), $cf_browser_cache_return->get_error_message() ) );
		} else {
			$cloudflare_update_result[] = array( 'result' => 'success', 'message' => sprintf( __( 'Cloudflare browser cache set to %s seconds', 'rocket' ), $cf_browser_cache_return ) );
		}
	}

	if ( (bool) $cloudflare_update_result ) {
		set_transient( $GLOBALS['current_user']->ID . '_cloudflare_update_settings', $cloudflare_update_result );
	}

	// Regenerate advanced-cache.php file.
	if ( ! empty( $_POST ) && ( ( isset( $oldvalue['do_caching_mobile_files'] ) && ! isset( $value['do_caching_mobile_files'] ) ) || ( ! isset( $oldvalue['do_caching_mobile_files'] ) &&  isset( $value['do_caching_mobile_files'] ) ) || ( isset( $oldvalue['do_caching_mobile_files'], $value['do_caching_mobile_files'] ) ) && $oldvalue['do_caching_mobile_files'] !== $value['do_caching_mobile_files'] ) ) {
		rocket_generate_advanced_cache_file();
	}

	// Update .htaccess file rules.
	flush_rocket_htaccess( ! rocket_valid_key() );

	// Update config file.
	rocket_generate_config_file();

	// Set WP_CACHE constant in wp-config.php.
	if ( ! defined( 'WP_CACHE' ) || ! WP_CACHE ) {
		set_rocket_wp_cache_define( true );
	}

	// Redirect on the correct page slug name to avoid false negative error message.
	if ( ! empty( $_POST ) && $oldvalue['wl_plugin_name'] !== $value['wl_plugin_name'] &&
		isset( $_POST['option_page'], $_POST['action'] ) && 'wp_rocket' === $_POST['option_page'] && 'update' === $_POST['action'] ) {
		add_settings_error( 'general', 'settings_updated', __( 'Settings saved.', 'rocket' ), 'updated' );
		set_transient( 'settings_errors', get_settings_errors(), 30 );
		wp_redirect( admin_url( 'options-general.php?page=' . sanitize_key( $value['wl_plugin_name'] ) . '&settings-updated=true' ) );
		die();
	}
}
add_action( 'update_option_' . WP_ROCKET_SLUG, 'rocket_after_save_options', 10, 2 );

/**
 * Auto-activate the SSL option is the website URL is updated with https protocol
 *
 * @since 2.7
 *
 * @param array $oldvalue An array of previous options values.
 * @param array $value An array of submitted options values.
 */
function rocket_update_ssl_option_after_save_home_url( $oldvalue, $value ) {
	if ( 'https' === parse_url( $value, PHP_URL_SCHEME ) ) {
		update_rocket_option( 'cache_ssl', 1 );
	}
}
add_action( 'update_option_home', 'rocket_update_ssl_option_after_save_home_url', 10, 2 );

/**
 * When purge settings are saved we change the scheduled purge
 *
 * @since 1.0
 *
 * @param array $newvalue An array of submitted options values.
 * @param array $oldvalue An array of previous options values.
 * @return array Updated submitted options values.
 */
function rocket_pre_main_option( $newvalue, $oldvalue ) {
	if ( ( isset( $newvalue['purge_cron_interval'], $oldvalue['purge_cron_interval'] ) && $newvalue['purge_cron_interval'] !== $oldvalue['purge_cron_interval'] ) || 	( isset( $newvalue['purge_cron_unit'], $oldvalue['purge_cron_unit'] ) && $newvalue['purge_cron_unit'] !== $oldvalue['purge_cron_unit'] ) ) {
		// Clear WP Rocket cron.
		if ( wp_next_scheduled( 'rocket_purge_time_event' ) ) {
			wp_clear_scheduled_hook( 'rocket_purge_time_event' );
		}
	}

	// Clear WP Rocket database optimize cron if the setting has been modified.
	if ( ( isset( $newvalue['schedule_automatic_cleanup'], $oldvalue['schedule_automatic_cleanup'] ) && $newvalue['schedule_automatic_cleanup'] !== $oldvalue['schedule_automatic_cleanup'] ) || ( ( isset( $newvalue['automatic_cleanup_frequency'], $oldvalue['automatic_cleanup_frequency'] ) && $newvalue['automatic_cleanup_frequency'] !== $oldvalue['automatic_cleanup_frequency'] ) ) ) {
		if ( wp_next_scheduled( 'rocket_database_optimization_time_event' ) ) {
			wp_clear_scheduled_hook( 'rocket_database_optimization_time_event' );
		}
	}

	// Regenerate the minify key if CSS files have been modified.
	if ( ( isset( $newvalue['minify_css'], $oldvalue['minify_css'] ) && $newvalue['minify_css'] !== $oldvalue['minify_css'] )
		|| ( isset( $newvalue['exclude_css'], $oldvalue['exclude_css'] ) && $newvalue['exclude_css'] !== $oldvalue['exclude_css'] )
		|| ( isset( $oldvalue['cdn'] ) && ! isset( $newvalue['cdn'] ) || ! isset( $oldvalue['cdn'] ) && isset( $newvalue['cdn'] ) )
	) {
		$newvalue['minify_css_key'] = create_rocket_uniqid();
	}

	// Regenerate the minify key if JS files have been modified.
	if ( ( isset( $newvalue['minify_js'], $oldvalue['minify_js'] ) && $newvalue['minify_js'] !== $oldvalue['minify_js'] )
		|| ( isset( $newvalue['exclude_js'], $oldvalue['exclude_js'] ) && $newvalue['exclude_js'] !== $oldvalue['exclude_js'] )
		|| ( isset( $newvalue['minify_js_in_footer'], $oldvalue['minify_js_in_footer'] ) && $newvalue['minify_js_in_footer'] !== $oldvalue['minify_js_in_footer'] )
		|| ( isset( $oldvalue['cdn'] ) && ! isset( $newvalue['cdn'] ) || ! isset( $oldvalue['cdn'] ) && isset( $newvalue['cdn'] ) )
	) {
		$newvalue['minify_js_key'] = create_rocket_uniqid();
	}

	// Update CloudFlare zone ID if CloudFlare domain was changed.
	if ( isset( $newvalue['cloudflare_domain'], $oldvalue['cloudflare_domain'] ) && $newvalue['cloudflare_domain'] !== $oldvalue['cloudflare_domain'] && 0 < (int) get_rocket_option( 'do_cloudflare' ) && phpversion() >= '5.4' ) {
		require( WP_ROCKET_ADMIN_PATH . 'compat/cf-options-5.4.php' );
	}

	// Save old CloudFlare settings.
	if ( ( isset( $newvalue['cloudflare_auto_settings'], $oldvalue['cloudflare_auto_settings'] ) && $newvalue['cloudflare_auto_settings'] !== $oldvalue['cloudflare_auto_settings'] && 1 === $newvalue['cloudflare_auto_settings'] ) && 0 < (int) get_rocket_option( 'do_cloudflare' ) && phpversion() >= '5.4' ) {
		$cf_settings = get_rocket_cloudflare_settings();
		$newvalue['cloudflare_old_settings'] = ( ! is_wp_error( $cf_settings ) ) ? implode( ',', array_filter( $cf_settings ) ) : '';
	}

	// Checked the SSL option if the whole website is on SSL.
	if ( rocket_is_ssl_website() ) {
		$newvalue['cache_ssl'] = 1;
	}

	if ( ! defined( 'WP_ROCKET_ADVANCED_CACHE' ) ) {
		rocket_generate_advanced_cache_file();
	}

	if ( $keys = get_transient( WP_ROCKET_SLUG ) ) {
		delete_transient( WP_ROCKET_SLUG );
		$newvalue = array_merge( $newvalue, $keys );
	}

	return $newvalue;
}
add_filter( 'pre_update_option_' . WP_ROCKET_SLUG, 'rocket_pre_main_option', 10, 2 );

/**
 * Outputs the form used by the importers to accept the data to be imported
 *
 * @since 2.2
 */
function rocket_import_upload_form() {
	/**
	 * Filter the maximum allowed upload size for import files.
	 *
	 * @since (WordPress) 2.3.0
	 *
	 * @see wp_max_upload_size()
	 *
	 * @param int $max_upload_size Allowed upload size. Default 1 MB.
	 */
	$bytes = apply_filters( 'import_upload_size_limit', wp_max_upload_size() ); // Filter from WP Core.
	$size = size_format( $bytes );
	$upload_dir = wp_upload_dir();
	if ( ! empty( $upload_dir['error'] ) ) {
		?><div class="error"><p><?php _e( 'Before you can upload your import file, you will need to fix the following error:', 'rocket' ); ?></p>
		<p><strong><?php echo $upload_dir['error']; ?></strong></p></div><?php
	} else {
		?>
		<p>
		<input type="file" id="upload" name="import" size="25" />
		<br />
		<label for="upload"><?php echo apply_filters( 'rocket_help', sprintf( __( 'Choose a file from your computer (maximum size: %s)', 'rocket' ), $size ), 'upload', 'help' ); ?></label>
		<input type="hidden" name="max_file_size" value="<?php echo $bytes; ?>" />
		</p>
		<?php submit_button( __( 'Upload file and import settings', 'rocket' ), 'button', 'import' );
	}
}

/**
 * Count the number of items concerned by the database cleanup
 *
 * @since 2.8
 * @author Remy Perona
 *
 * @param string $type Item type to count.
 * @return int Number of items for this type
 */
function rocket_database_count_cleanup_items( $type ) {
	global $wpdb;

	$count = 0;

	switch ( $type ) {
		case 'revisions':
			$count = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(ID) FROM $wpdb->posts WHERE post_type = %s", 'revision' ) );
			break;
		case 'auto_drafts':
			$count = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(ID) FROM $wpdb->posts WHERE post_status = %s", 'auto-draft' ) );
			break;
		case 'trashed_posts':
			$count = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(ID) FROM $wpdb->posts WHERE post_status = %s", 'trash' ) );
			break;
		case 'spam_comments':
			$count = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(comment_ID) FROM $wpdb->comments WHERE comment_approved = %s", 'spam' ) );
			break;
		case 'trashed_comments':
			$count = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(comment_ID) FROM $wpdb->comments WHERE (comment_approved = %s OR comment_approved = %s)", 'trash', 'post-trashed' ) );
			break;
		case 'expired_transients':
			$time = isset( $_SERVER['REQUEST_TIME'] ) ? (int) $_SERVER['REQUEST_TIME'] : time();
			$count = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(option_name) FROM $wpdb->options WHERE option_name LIKE %s AND option_value < %d;", '_transient_timeout%', $time ) );
			break;
		case 'all_transients':
			$count = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(option_id) FROM $wpdb->options WHERE option_name LIKE %s", '%_transient_%' ) );
			break;
		case 'optimize_tables':
			$count = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(table_name) FROM information_schema.tables WHERE table_schema = %s and Engine <> 'InnoDB' and data_free > 0", DB_NAME ) );
			break;
	}

	return $count;
}


/**
 * Handle WP Rocket settings import.
 * 
 * @since 2.10.7
 * @author Remy Perona
 *
 * @param array $file_import File import data.
 * @param string $filename_prefix import filename prefix.
 * @param array $inputs Original settings.
 * @return bool|array False if there was an error, an array of imported settings otherwise.
 */
function rocket_handle_settings_import( $file_import, $filename_prefix, $inputs ) {
	if ( ! isset( $file_import ) ) {
		add_settings_error( 'general', 'settings_update_error', __( 'Settings import failed: no file uploaded.', 'rocket' ), 'error' );
		return false;
	}

	if ( ! preg_match( '/' . $filename_prefix . '-settings-20\d{2}-\d{2}-\d{2}-[a-f0-9]{13}\.(?:txt|json)/', $file_import['name'] ) ) {
		add_settings_error( 'general', 'settings_update_error', __( 'Settings import failed: incorrect filename.', 'rocket' ), 'error' );
		return false;
	}

	add_filter( 'upload_mimes', 'rocket_allow_json_mime_type' );

	$file_data = wp_check_filetype_and_ext(  $file_import['tmp_name'], $file_import['name'] );

	if ( 'text/plain' !== $file_data['type'] && 'application/json' !== $file_data['type'] ) {
		add_settings_error( 'general', 'settings_update_error', __( 'Settings import failed: incorrect filetype.', 'rocket' ), 'error' );
		return false;
	}

	$_post_action 		= $_POST['action'];
	$_POST['action'] 	= 'wp_handle_sideload';
	$file 				= wp_handle_sideload( $file_import );
	$_POST['action'] 	= $_post_action;
	$settings 			= rocket_direct_filesystem()->get_contents( $file['file'] );
	remove_filter( 'upload_mimes', 'rocket_allow_json_mime_type' );
	
	if ( 'text/plain' === $file_data['type'] ) {
		$gz 				= 'gz' . strrev( 'etalfni' );
		$settings 			= $gz// ;
		( $settings );
		$settings 			= maybe_unserialize( $settings );
	} elseif ( 'application/json' === $file_data['type'] ) {
		$settings = json_decode( $settings, true );
	}

	rocket_put_content( $file['file'], '' );
	rocket_direct_filesystem()->delete( $file['file'] );

	if ( is_array( $settings ) ) {
		$settings['consumer_key']     = $inputs['consumer_key'];
		$settings['consumer_email']   = $inputs['consumer_email'];
		$settings['secret_key']       = $inputs['secret_key'];
		$settings['secret_cache_key'] = $inputs['secret_cache_key'];
		$settings['minify_css_key']	  = $inputs['minify_css_key'];
		$settings['minify_js_key']    = $inputs['minify_js_key'];
		$settings['version']          = $inputs['version'];

		add_settings_error( 'general', 'settings_updated', __( 'Settings imported and saved.', 'rocket' ), 'updated' );

		return $settings;
	}
}
