113 lines
2.2 KiB
PHP
113 lines
2.2 KiB
PHP
<?php
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namespace WP_Rocket\Subscriber\Optimization;
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use WP_Rocket\deprecated\DeprecatedClassTrait;
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use WP_Rocket\Event_Management\Subscriber_Interface;
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use WP_Rocket\Admin\Options_Data as Options;
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use WP_Rocket\Dependencies\Minify;
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/**
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* HTML minification subscriber
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*
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* @since 3.1
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* @author Remy Perona
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*/
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class Minify_HTML_Subscriber implements Subscriber_Interface {
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use DeprecatedClassTrait;
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/**
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* Plugin options
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*
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* @since 3.1
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* @author Remy Perona
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*
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* @var Options
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*/
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private $options;
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/**
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* Constructor
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*
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* @since 3.1
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* @author Remy Perona
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*
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* @param Options $options Plugin options.
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*/
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public function __construct( Options $options ) {
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self::deprecated_class( '3.7' );
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$this->options = $options;
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}
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/**
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* Return an array of events that this subscriber wants to listen to.
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*
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* @since 3.1
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* @author Remy Perona
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*
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* @return array
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*/
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public static function get_subscribed_events() {
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return [
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'rocket_buffer' => [ 'process', 14 ],
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];
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}
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/**
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* Minifies HTML
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*
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* @since 3.1
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* @author Remy Perona
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*
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* @param string $html HTML content.
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* @return string
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*/
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public function process( $html ) {
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if ( defined( 'DONOTROCKETOPTIMIZE' ) && DONOTROCKETOPTIMIZE ) {
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return $html;
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}
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if ( ! $this->options->get( 'minify_html' ) || \is_rocket_post_excluded_option( 'minify_html' ) ) {
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return $html;
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}
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$html_options = [
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'cssMinifier' => [ $this, 'minify_inline_css' ],
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];
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/**
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* Filter options of minify inline HTML
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*
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* @since 1.1.12
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*
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* @param array $html_options Options of minify inline HTML.
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*/
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$html_options = apply_filters( 'rocket_minify_html_options', $html_options );
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return \Minify_HTML::minify( $html, $html_options );
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}
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/**
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* Minifies inline CSS
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*
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* @since 1.1.6
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*
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* @param string $css HTML content.
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* @return string
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*/
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public function minify_inline_css( $css ) {
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$minify = new Minify\CSS( $css );
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return $minify->minify();
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}
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/**
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* Minifies inline JavaScript
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*
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* @since 1.1.6
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*
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* @param string $javascript HTML content.
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* @return string
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*/
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public function minify_inline_js( $javascript ) {
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$minify = new Minify\JS( $javascript );
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return $minify->minify();
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}
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}
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