46 lines
832 B
PHP
46 lines
832 B
PHP
<?php
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/**
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* File: Util_Bus.php
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*
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* @package W3TC
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*/
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namespace W3TC;
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/**
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* Class Util_Bus
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*/
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class Util_Bus {
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/**
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* Add W3TC action callback
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*
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* @param string $key Key.
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* @param mixed $callback Callback.
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*
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* @return void
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*/
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public static function add_ob_callback( $key, $callback ) {
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$GLOBALS['_w3tc_ob_callbacks'][ $key ] = $callback;
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}
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/**
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* Do W3TC action callbacks
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*
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* @param array $order Order.
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* @param mixed $value Value.
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*
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* @return mixed
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*/
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public static function do_ob_callbacks( $order, $value ) {
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foreach ( $order as $key ) {
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if ( isset( $GLOBALS['_w3tc_ob_callbacks'][ $key ] ) ) {
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$callback = $GLOBALS['_w3tc_ob_callbacks'][ $key ];
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if ( is_callable( $callback ) ) {
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$value = call_user_func( $callback, $value );
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}
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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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