Shortcodes: Add the `pre_do_shortcode_tag` filter.
This filter allows the shortcode generation process to be short-circuited, so expensive short codes can be cached and returned immediately. Props ideag. Fixes #37906. Built from https://develop.svn.wordpress.org/trunk@38506 git-svn-id: http://core.svn.wordpress.org/trunk@38447 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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@ -321,6 +321,24 @@ function do_shortcode_tag( $m ) {
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return $m[0];
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}
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/**
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* Filters whether to call a shortcode callback.
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*
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* Passing a truthy value to the filter will effectively short-circuit the
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* shortcode generation process, returning that value instead.
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*
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* @since 4.7.0
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*
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* @param bool|string $return Short-circuit return value. Either false or the value to replace the shortcode with.
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* @param string $tag Shortcode name.
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* @param array $attr Shortcode attributes array,
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* @param array $m Regular expression match array.
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*/
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$return = apply_filters( 'pre_do_shortcode_tag', false, $tag, $attr, $m );
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if ( false !== $return ) {
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return $return;
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}
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if ( isset( $m[5] ) ) {
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// enclosing tag - extra parameter
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return $m[1] . call_user_func( $shortcode_tags[$tag], $attr, $m[5], $tag ) . $m[6];
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@ -4,7 +4,7 @@
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*
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* @global string $wp_version
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*/
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$wp_version = '4.7-alpha-38505';
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$wp_version = '4.7-alpha-38506';
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/**
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* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.
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