| 1 |
<?php |
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/** |
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* Handles autoptimizeExtra frontend features + admin options page |
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*/ |
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|
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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|
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class autoptimizeExtra |
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{ |
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/** |
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* Options |
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* |
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* @var array |
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*/ |
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protected $options = array(); |
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|
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/** |
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* Creates an instance and calls run(). |
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* |
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* @param array $options Optional. Allows overriding options without having to specify them via admin options page. |
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*/ |
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public function __construct( $options = array() ) |
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{ |
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if ( empty( $options ) ) { |
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$options = self::fetch_options(); |
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} |
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|
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$this->options = $options; |
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} |
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|
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public function run() |
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{ |
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if ( is_admin() ) { |
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add_action( 'admin_menu', array( $this, 'admin_menu' ) ); |
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add_filter( 'autoptimize_filter_settingsscreen_tabs', array( $this, 'add_extra_tab' ) ); |
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} else { |
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$this->run_on_frontend(); |
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} |
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} |
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|
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public static function fetch_options() |
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{ |
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$value = get_option( 'autoptimize_extra_settings' ); |
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if ( empty( $value ) ) { |
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// Fallback to returning defaults when no stored option exists yet. |
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$value = autoptimizeConfig::get_ao_extra_default_options(); |
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} |
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|
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return $value; |
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} |
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|
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public function disable_emojis() |
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{ |
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// Removing all actions related to emojis! |
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remove_action( 'admin_print_styles', 'print_emoji_styles' ); |
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remove_action( 'wp_head', 'print_emoji_detection_script', 7 ); |
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remove_action( 'admin_print_scripts', 'print_emoji_detection_script' ); |
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remove_action( 'wp_print_styles', 'print_emoji_styles' ); |
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remove_filter( 'wp_mail', 'wp_staticize_emoji_for_email' ); |
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remove_filter( 'the_content_feed', 'wp_staticize_emoji' ); |
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remove_filter( 'comment_text_rss', 'wp_staticize_emoji' ); |
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|
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// Removes TinyMCE emojis. |
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add_filter( 'tiny_mce_plugins', array( $this, 'filter_disable_emojis_tinymce' ) ); |
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|
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// Removes emoji dns-preftech. |
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add_filter( 'wp_resource_hints', array( $this, 'filter_remove_emoji_dns_prefetch' ), 10, 2 ); |
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} |
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|
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public function filter_disable_emojis_tinymce( $plugins ) |
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{ |
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if ( is_array( $plugins ) ) { |
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return array_diff( $plugins, array( 'wpemoji' ) ); |
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} else { |
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return array(); |
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} |
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} |
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|
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public function filter_remove_qs( $src ) |
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{ |
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if ( strpos( $src, '?ver=' ) ) { |
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$src = remove_query_arg( 'ver', $src ); |
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} |
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|
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return $src; |
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} |
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|
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public function extra_async_js( $in ) |
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{ |
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$exclusions = array(); |
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if ( ! empty( $in ) ) { |
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$exclusions = array_fill_keys( array_filter( array_map( 'trim', explode( ',', $in ) ) ), '' ); |
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} |
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|
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$settings = $this->options['autoptimize_extra_text_field_3']; |
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$async = array_fill_keys( array_filter( array_map( 'trim', explode( ',', $settings ) ) ), '' ); |
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$attr = apply_filters( 'autoptimize_filter_extra_async', 'async' ); |
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foreach ( $async as $k => $v ) { |
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$async[ $k ] = $attr; |
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} |
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|
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// Merge exclusions & asyncs in one array and return to AO API. |
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$merged = array_merge( $exclusions, $async ); |
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|
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return $merged; |
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} |
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|
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protected function run_on_frontend() |
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{ |
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$options = $this->options; |
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|
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// Disable emojis if specified. |
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if ( ! empty( $options['autoptimize_extra_checkbox_field_1'] ) ) { |
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$this->disable_emojis(); |
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} |
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|
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// Remove version query parameters. |
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if ( ! empty( $options['autoptimize_extra_checkbox_field_0'] ) ) { |
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add_filter( 'script_loader_src', array( $this, 'filter_remove_qs' ), 15, 1 ); |
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add_filter( 'style_loader_src', array( $this, 'filter_remove_qs' ), 15, 1 ); |
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} |
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|
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// Avoiding conflicts of interest when async-javascript plugin is active! |
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$async_js_plugin_active = autoptimizeUtils::is_plugin_active( 'async-javascript/async-javascript.php' ); |
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if ( ! empty( $options['autoptimize_extra_text_field_3'] ) && ! $async_js_plugin_active ) { |
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add_filter( 'autoptimize_filter_js_exclude', array( $this, 'extra_async_js' ), 10, 1 ); |
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} |
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|
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// Optimize google fonts! |
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if ( ! empty( $options['autoptimize_extra_radio_field_4'] ) && ( '1' !== $options['autoptimize_extra_radio_field_4'] ) ) { |
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add_filter( 'wp_resource_hints', array( $this, 'filter_remove_gfonts_dnsprefetch' ), 10, 2 ); |
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add_filter( 'autoptimize_html_after_minify', array( $this, 'filter_optimize_google_fonts' ), 10, 1 ); |
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add_filter( 'autoptimize_extra_filter_tobepreconn', array( $this, 'filter_preconnect_google_fonts' ), 10, 1 ); |
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} |
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|
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// Preconnect! |
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if ( ! empty( $options['autoptimize_extra_text_field_2'] ) || has_filter( 'autoptimize_extra_filter_tobepreconn' ) ) { |
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add_filter( 'wp_resource_hints', array( $this, 'filter_preconnect' ), 10, 2 ); |
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} |
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} |
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|
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public function filter_remove_emoji_dns_prefetch( $urls, $relation_type ) |
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{ |
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$emoji_svg_url = apply_filters( 'emoji_svg_url', 'https://s.w.org/images/core/emoji/' ); |
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|
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return $this->filter_remove_dns_prefetch( $urls, $relation_type, $emoji_svg_url ); |
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} |
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|
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public function filter_remove_gfonts_dnsprefetch( $urls, $relation_type ) |
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{ |
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return $this->filter_remove_dns_prefetch( $urls, $relation_type, 'fonts.googleapis.com' ); |
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} |
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|
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public function filter_remove_dns_prefetch( $urls, $relation_type, $url_to_remove ) |
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{ |
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$url_to_remove = (string) $url_to_remove; |
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|
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if ( ! empty( $url_to_remove ) && 'dns-prefetch' === $relation_type ) { |
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$cnt = 0; |
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foreach ( $urls as $url ) { |
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if ( false !== strpos( $url, $url_to_remove ) ) { |
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unset( $urls[ $cnt ] ); |
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} |
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$cnt++; |
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} |
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} |
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|
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return $urls; |
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} |
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|
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public function filter_optimize_google_fonts( $in ) |
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{ |
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// Extract fonts, partly based on wp rocket's extraction code. |
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$markup = preg_replace( '/<!--(.*)-->/Uis', '', $in ); |
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preg_match_all( '#<link(?:\s+(?:(?!href\s*=\s*)[^>])+)?(?:\s+href\s*=\s*([\'"])((?:https?:)?\/\/fonts\.googleapis\.com\/css(?:(?!\1).)+)\1)(?:\s+[^>]*)?>#iU', $markup, $matches ); |
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|
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$fonts_collection = array(); |
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if ( ! $matches[2] ) { |
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return $in; |
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} |
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|
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// Store them in $fonts array. |
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$i = 0; |
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foreach ( $matches[2] as $font ) { |
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if ( ! preg_match( '/rel=["\']dns-prefetch["\']/', $matches[0][ $i ] ) ) { |
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// Get fonts name. |
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$font = str_replace( array( '%7C', '%7c' ), '|', $font ); |
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$font = explode( 'family=', $font ); |
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$font = ( isset( $font[1] ) ) ? explode( '&', $font[1] ) : array(); |
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// Add font to $fonts[$i] but make sure not to pollute with an empty family! |
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$_thisfont = array_values( array_filter( explode( '|', reset( $font ) ) ) ); |
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if ( ! empty( $_thisfont ) ) { |
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$fonts_collection[ $i ]['fonts'] = $_thisfont; |
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// And add subset if any! |
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$subset = ( is_array( $font ) ) ? end( $font ) : ''; |
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if ( false !== strpos( $subset, 'subset=' ) ) { |
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$subset = str_replace( array( '%2C', '%2c' ), ',', $subset ); |
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$subset = explode( 'subset=', $subset ); |
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$fonts_collection[ $i ]['subsets'] = explode( ',', $subset[1] ); |
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} |
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} |
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// And remove Google Fonts. |
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$in = str_replace( $matches[0][ $i ], '', $in ); |
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} |
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$i++; |
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} |
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|
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$options = $this->options; |
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$fonts_markup = ''; |
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if ( '2' === $options['autoptimize_extra_radio_field_4'] ) { |
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// Remove Google Fonts. |
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unset( $fonts_collection ); |
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return $in; |
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} elseif ( '3' === $options['autoptimize_extra_radio_field_4'] || '5' === $options['autoptimize_extra_radio_field_4'] ) { |
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// Aggregate & link! |
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$fonts_string = ''; |
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$subset_string = ''; |
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foreach ( $fonts_collection as $font ) { |
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$fonts_string .= '|' . trim( implode( '|', $font['fonts'] ), '|' ); |
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if ( ! empty( $font['subsets'] ) ) { |
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$subset_string .= ',' . trim( implode( ',', $font['subsets'] ), ',' ); |
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} |
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} |
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|
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if ( ! empty( $subset_string ) ) { |
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$subset_string = str_replace( ',', '%2C', ltrim( $subset_string, ',' ) ); |
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$fonts_string = $fonts_string . '&subset=' . $subset_string; |
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} |
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|
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$fonts_string = apply_filters( 'autoptimize_filter_extra_gfont_fontstring', str_replace( '|', '%7C', ltrim( $fonts_string, '|' ) ) ); |
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|
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if ( ! empty( $fonts_string ) ) { |
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if ( '5' === $options['autoptimize_extra_radio_field_4'] ) { |
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$rel_string = 'rel="preload" as="style" onload="' . autoptimizeConfig::get_ao_css_preload_onload() . '"'; |
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} else { |
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$rel_string = 'rel="stylesheet"'; |
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} |
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$fonts_markup = '<link ' . $rel_string . ' id="ao_optimized_gfonts" href="https://fonts.googleapis.com/css?family=' . $fonts_string . '" />'; |
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} |
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} elseif ( '4' === $options['autoptimize_extra_radio_field_4'] ) { |
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// Aggregate & load async (webfont.js impl.)! |
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$fonts_array = array(); |
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foreach ( $fonts_collection as $_fonts ) { |
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if ( ! empty( $_fonts['subsets'] ) ) { |
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$_subset = implode( ',', $_fonts['subsets'] ); |
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foreach ( $_fonts['fonts'] as $key => $_one_font ) { |
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$_one_font = $_one_font . ':' . $_subset; |
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$_fonts['fonts'][ $key ] = $_one_font; |
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} |
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} |
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$fonts_array = array_merge( $fonts_array, $_fonts['fonts'] ); |
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} |
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|
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$fonts_array = array_map( 'urldecode', $fonts_array ); |
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$fonts_markup = '<script data-cfasync="false" id="ao_optimized_gfonts_config" type="text/javascript">WebFontConfig={google:{families:' . wp_json_encode( $fonts_array ) . ' },classes:false, events:false, timeout:1500};</script>'; |
| 258 |
$fonts_library_markup = '<script data-cfasync="false" id="ao_optimized_gfonts_webfontloader" type="text/javascript">(function() {var wf = document.createElement(\'script\');wf.src=\'https://ajax.googleapis.com/ajax/libs/webfont/1/webfont.js\';wf.type=\'text/javascript\';wf.async=\'true\';var s=document.getElementsByTagName(\'script\')[0];s.parentNode.insertBefore(wf, s);})();</script>'; |
| 259 |
$in = substr_replace( $in, $fonts_library_markup . '</head>', strpos( $in, '</head>' ), strlen( '</head>' ) ); |
| 260 |
} |
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|
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// Replace back in markup. |
| 263 |
$inject_point = apply_filters( 'autoptimize_filter_extra_gfont_injectpoint', '<link' ); |
| 264 |
$out = substr_replace( $in, $fonts_markup . $inject_point, strpos( $in, $inject_point ), strlen( $inject_point ) ); |
| 265 |
unset( $fonts_collection ); |
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|
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// and insert preload polyfill if "link preload" and if the polyfill isn't there yet (courtesy of inline&defer). |
| 268 |
$preload_polyfill = autoptimizeConfig::get_ao_css_preload_polyfill(); |
| 269 |
if ( '5' === $options['autoptimize_extra_radio_field_4'] && strpos( $out, $preload_polyfill ) === false ) { |
| 270 |
$out = str_replace( '</body>', $preload_polyfill . '</body>', $out ); |
| 271 |
} |
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return $out; |
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} |
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|
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public function filter_preconnect( $hints, $relation_type ) |
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{ |
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$options = $this->options; |
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|
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// Get settings and store in array. |
| 280 |
$preconns = array_filter( array_map( 'trim', explode( ',', $options['autoptimize_extra_text_field_2'] ) ) ); |
| 281 |
$preconns = apply_filters( 'autoptimize_extra_filter_tobepreconn', $preconns ); |
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|
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// Walk array, extract domain and add to new array with crossorigin attribute. |
| 284 |
foreach ( $preconns as $preconn ) { |
| 285 |
$parsed = parse_url( $preconn ); |
| 286 |
if ( is_array( $parsed ) && empty( $parsed['scheme'] ) ) { |
| 287 |
$domain = '//' . $parsed['host']; |
| 288 |
} elseif ( is_array( $parsed ) ) { |
| 289 |
$domain = $parsed['scheme'] . '://' . $parsed['host']; |
| 290 |
} |
| 291 |
|
| 292 |
if ( ! empty( $domain ) ) { |
| 293 |
$hint = array( 'href' => $domain ); |
| 294 |
// Fonts don't get preconnected unless crossorigin flag is set, non-fonts don't get preconnected if origin flag is set |
| 295 |
// so hardcode fonts.gstatic.com to come with crossorigin and have filter to add other domains if needed. |
| 296 |
$crossorigins = apply_filters( 'autoptimize_extra_filter_preconn_crossorigin', array( 'https://fonts.gstatic.com' ) ); |
| 297 |
if ( in_array( $domain, $crossorigins ) ) { |
| 298 |
$hint['crossorigin'] = 'anonymous'; |
| 299 |
} |
| 300 |
$new_hints[] = $hint; |
| 301 |
} |
| 302 |
} |
| 303 |
|
| 304 |
// Merge in WP's preconnect hints. |
| 305 |
if ( 'preconnect' === $relation_type && ! empty( $new_hints ) ) { |
| 306 |
$hints = array_merge( $hints, $new_hints ); |
| 307 |
} |
| 308 |
|
| 309 |
return $hints; |
| 310 |
} |
| 311 |
|
| 312 |
public function filter_preconnect_google_fonts( $in ) |
| 313 |
{ |
| 314 |
if ( '2' !== $this->options['autoptimize_extra_radio_field_4'] ) { |
| 315 |
// Preconnect to fonts.gstatic.com unless we remove gfonts. |
| 316 |
$in[] = 'https://fonts.gstatic.com'; |
| 317 |
} |
| 318 |
|
| 319 |
if ( '4' === $this->options['autoptimize_extra_radio_field_4'] ) { |
| 320 |
// Preconnect even more hosts for webfont.js! |
| 321 |
$in[] = 'https://ajax.googleapis.com'; |
| 322 |
$in[] = 'https://fonts.googleapis.com'; |
| 323 |
} |
| 324 |
|
| 325 |
return $in; |
| 326 |
} |
| 327 |
|
| 328 |
public function admin_menu() |
| 329 |
{ |
| 330 |
add_submenu_page( |
| 331 |
null, |
| 332 |
'autoptimize_extra', |
| 333 |
'autoptimize_extra', |
| 334 |
'manage_options', |
| 335 |
'autoptimize_extra', |
| 336 |
array( $this, 'options_page' ) |
| 337 |
); |
| 338 |
register_setting( 'autoptimize_extra_settings', 'autoptimize_extra_settings' ); |
| 339 |
} |
| 340 |
|
| 341 |
public function add_extra_tab( $in ) |
| 342 |
{ |
| 343 |
$in = array_merge( $in, array( 'autoptimize_extra' => __( 'Extra', 'autoptimize' ) ) ); |
| 344 |
|
| 345 |
return $in; |
| 346 |
} |
| 347 |
|
| 348 |
public function options_page() |
| 349 |
{ |
| 350 |
// Working with actual option values from the database here. |
| 351 |
// That way any saves are still processed as expected, but we can still |
| 352 |
// override behavior by using `new autoptimizeExtra($custom_options)` and not have that custom |
| 353 |
// behavior being persisted in the DB even if save is done here. |
| 354 |
$options = $this->fetch_options(); |
| 355 |
$gfonts = $options['autoptimize_extra_radio_field_4']; |
| 356 |
?> |
| 357 |
<style> |
| 358 |
#ao_settings_form {background: white;border: 1px solid #ccc;padding: 1px 15px;margin: 15px 10px 10px 0;} |
| 359 |
#ao_settings_form .form-table th {font-weight: normal;} |
| 360 |
#autoptimize_extra_descr{font-size: 120%;} |
| 361 |
</style> |
| 362 |
<div class="wrap"> |
| 363 |
<h1><?php _e( 'Autoptimize Settings', 'autoptimize' ); ?></h1> |
| 364 |
<?php echo autoptimizeConfig::ao_admin_tabs(); ?> |
| 365 |
<?php if ( 'on' !== get_option( 'autoptimize_js' ) && 'on' !== get_option( 'autoptimize_css' ) && 'on' !== get_option( 'autoptimize_html' ) && ! autoptimizeImages::imgopt_active() ) { ?> |
| 366 |
<div class="notice-warning notice"><p> |
| 367 |
<?php _e( 'Most of below Extra optimizations require at least one of HTML, JS, CSS or Image autoptimizations being active.', 'autoptimize' ); ?> |
| 368 |
</p></div> |
| 369 |
<?php } ?> |
| 370 |
|
| 371 |
<form id='ao_settings_form' action='options.php' method='post'> |
| 372 |
<?php settings_fields( 'autoptimize_extra_settings' ); ?> |
| 373 |
<h2><?php _e( 'Extra Auto-Optimizations', 'autoptimize' ); ?></h2> |
| 374 |
<span id='autoptimize_extra_descr'><?php _e( 'The following settings can improve your site\'s performance even more.', 'autoptimize' ); ?></span> |
| 375 |
<table class="form-table"> |
| 376 |
<tr> |
| 377 |
<th scope="row"><?php _e( 'Google Fonts', 'autoptimize' ); ?></th> |
| 378 |
<td> |
| 379 |
<input type="radio" name="autoptimize_extra_settings[autoptimize_extra_radio_field_4]" value="1" <?php if ( ! in_array( $gfonts, array( 2, 3, 4, 5 ) ) ) { echo 'checked'; } ?> ><?php _e( 'Leave as is', 'autoptimize' ); ?><br/> |
| 380 |
<input type="radio" name="autoptimize_extra_settings[autoptimize_extra_radio_field_4]" value="2" <?php checked( 2, $gfonts, true ); ?> ><?php _e( 'Remove Google Fonts', 'autoptimize' ); ?><br/> |
| 381 |
<input type="radio" name="autoptimize_extra_settings[autoptimize_extra_radio_field_4]" value="3" <?php checked( 3, $gfonts, true ); ?> ><?php _e( 'Combine and link in head (fonts load fast but are render-blocking)', 'autoptimize' ); ?><br/> |
| 382 |
<input type="radio" name="autoptimize_extra_settings[autoptimize_extra_radio_field_4]" value="5" <?php checked( 5, $gfonts, true ); ?> ><?php _e( 'Combine and preload in head (fonts load late, but are not render-blocking)', 'autoptimize' ); ?><br/> |
| 383 |
<input type="radio" name="autoptimize_extra_settings[autoptimize_extra_radio_field_4]" value="4" <?php checked( 4, $gfonts, true ); ?> ><?php _e( 'Combine and load fonts asynchronously with <a href="https://github.com/typekit/webfontloader#readme" target="_blank">webfont.js</a>', 'autoptimize' ); ?><br/> |
| 384 |
</td> |
| 385 |
</tr> |
| 386 |
<tr> |
| 387 |
<th scope="row"><?php _e( 'Remove emojis', 'autoptimize' ); ?></th> |
| 388 |
<td> |
| 389 |
<label><input type='checkbox' name='autoptimize_extra_settings[autoptimize_extra_checkbox_field_1]' <?php if ( ! empty( $options['autoptimize_extra_checkbox_field_1'] ) && '1' === $options['autoptimize_extra_checkbox_field_1'] ) { echo 'checked="checked"'; } ?> value='1'><?php _e( 'Removes WordPress\' core emojis\' inline CSS, inline JavaScript, and an otherwise un-autoptimized JavaScript file.', 'autoptimize' ); ?></label> |
| 390 |
</td> |
| 391 |
</tr> |
| 392 |
<tr> |
| 393 |
<th scope="row"><?php _e( 'Remove query strings from static resources', 'autoptimize' ); ?></th> |
| 394 |
<td> |
| 395 |
<label><input type='checkbox' name='autoptimize_extra_settings[autoptimize_extra_checkbox_field_0]' <?php if ( ! empty( $options['autoptimize_extra_checkbox_field_0'] ) && '1' === $options['autoptimize_extra_checkbox_field_0'] ) { echo 'checked="checked"'; } ?> value='1'><?php _e( 'Removing query strings (or more specifically the <code>ver</code> parameter) will not improve load time, but might improve performance scores.', 'autoptimize' ); ?></label> |
| 396 |
</td> |
| 397 |
</tr> |
| 398 |
<tr> |
| 399 |
<th scope="row"><?php _e( 'Preconnect to 3rd party domains <em>(advanced users)</em>', 'autoptimize' ); ?></th> |
| 400 |
<td> |
| 401 |
<label><input type='text' style='width:80%' name='autoptimize_extra_settings[autoptimize_extra_text_field_2]' value='<?php if ( array_key_exists( 'autoptimize_extra_text_field_2', $options ) ) { echo esc_attr( $options['autoptimize_extra_text_field_2'] ); } ?>'><br /><?php _e( 'Add 3rd party domains you want the browser to <a href="https://www.keycdn.com/support/preconnect/#primary" target="_blank">preconnect</a> to, separated by comma\'s. Make sure to include the correct protocol (HTTP or HTTPS).', 'autoptimize' ); ?></label> |
| 402 |
</td> |
| 403 |
</tr> |
| 404 |
<tr> |
| 405 |
<th scope="row"><?php _e( 'Async Javascript-files <em>(advanced users)</em>', 'autoptimize' ); ?></th> |
| 406 |
<td> |
| 407 |
<?php |
| 408 |
if ( autoptimizeUtils::is_plugin_active( 'async-javascript/async-javascript.php' ) ) { |
| 409 |
// translators: link points Async Javascript settings page. |
| 410 |
printf( __( 'You have "Async JavaScript" installed, %1$sconfiguration of async javascript is best done there%2$s.', 'autoptimize' ), '<a href="' . 'options-general.php?page=async-javascript' . '">', '</a>' ); |
| 411 |
} else { |
| 412 |
?> |
| 413 |
<input type='text' style='width:80%' name='autoptimize_extra_settings[autoptimize_extra_text_field_3]' value='<?php if ( array_key_exists( 'autoptimize_extra_text_field_3', $options ) ) { echo esc_attr( $options['autoptimize_extra_text_field_3'] ); } ?>'> |
| 414 |
<br /> |
| 415 |
<?php |
| 416 |
_e( 'Comma-separated list of local or 3rd party JS-files that should loaded with the <code>async</code> flag. JS-files from your own site will be automatically excluded if added here. ', 'autoptimize' ); |
| 417 |
// translators: %s will be replaced by a link to the "async javascript" plugin. |
| 418 |
echo sprintf( __( 'Configuration of async javascript is easier and more flexible using the %s plugin.', 'autoptimize' ), '"<a href="https://wordpress.org/plugins/async-javascript" target="_blank">Async Javascript</a>"' ); |
| 419 |
$asj_install_url = network_admin_url() . 'plugin-install.php?s=async+javascript&tab=search&type=term'; |
| 420 |
echo sprintf( ' <a href="' . $asj_install_url . '">%s</a>', __( 'Click here to install and activate it.', 'autoptimize' ) ); |
| 421 |
} |
| 422 |
?> |
| 423 |
</td> |
| 424 |
</tr> |
| 425 |
<tr> |
| 426 |
<th scope="row"><?php _e( 'Optimize YouTube videos', 'autoptimize' ); ?></th> |
| 427 |
<td> |
| 428 |
<?php |
| 429 |
if ( autoptimizeUtils::is_plugin_active( 'wp-youtube-lyte/wp-youtube-lyte.php' ) ) { |
| 430 |
_e( 'Great, you have WP YouTube Lyte installed.', 'autoptimize' ); |
| 431 |
$lyte_config_url = 'options-general.php?page=lyte_settings_page'; |
| 432 |
echo sprintf( ' <a href="' . $lyte_config_url . '">%s</a>', __( 'Click here to configure it.', 'autoptimize' ) ); |
| 433 |
} else { |
| 434 |
// translators: %s will be replaced by a link to "wp youtube lyte" plugin. |
| 435 |
echo sprintf( __( '%s allows you to “lazy load” your videos, by inserting responsive “Lite YouTube Embeds". ', 'autoptimize' ), '<a href="https://wordpress.org/plugins/wp-youtube-lyte" target="_blank">WP YouTube Lyte</a>' ); |
| 436 |
$lyte_install_url = network_admin_url() . 'plugin-install.php?s=lyte&tab=search&type=term'; |
| 437 |
echo sprintf( ' <a href="' . $lyte_install_url . '">%s</a>', __( 'Click here to install and activate it.', 'autoptimize' ) ); |
| 438 |
} |
| 439 |
?> |
| 440 |
</td> |
| 441 |
</tr> |
| 442 |
</table> |
| 443 |
<p class="submit"><input type="submit" name="submit" id="submit" class="button button-primary" value="<?php _e( 'Save Changes', 'autoptimize' ); ?>" /></p> |
| 444 |
</form> |
| 445 |
<?php |
| 446 |
} |
| 447 |
} |
| 448 |
|
