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Amp
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6
1<?php
2/**
3 * Compatibility for AMP.
4 *
5 * @package automattic/jetpack-boost
6 */
7
8namespace Automattic\Jetpack_Boost\Compatibility\Amp;
9
10use Automattic\Jetpack_Boost\Modules\Optimizations\Critical_CSS\Critical_CSS;
11
12/**
13 * Class AMP.
14 */
15class Amp {
16    /**
17     * Critical_CSS module instance.
18     *
19     * @var Critical_CSS
20     */
21    private static $critical_css;
22
23    /**
24     * Init AMP compatibility actions after modules are initialized.
25     *
26     * @param Critical_CSS $module Critical_CSS Module instance.
27     */
28    public static function init_compatibility( $module ) {
29        self::$critical_css = $module;
30
31        add_action( 'wp', array( __CLASS__, 'disable_critical_css' ), 0 );
32    }
33
34    /**
35     * Disable Critical CSS display.
36     */
37    public static function disable_critical_css() {
38        if ( amp_is_request() ) {
39            remove_action( 'wp', array( self::$critical_css, 'display_critical_css' ) );
40        }
41    }
42}
43
44add_action( 'jetpack_boost_critical-css_initialized', array( __NAMESPACE__ . '\Amp', 'init_compatibility' ) );