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get_shortcode_tags_in_content › WordPress Function

Since6.3.2
已弃用n/a
› get_shortcode_tags_in_content ( $content )
参数:
  • (string) $content The content to check.
    Required: Yes
返回:
  • (string[]) An array of registered shortcode names found in the content.
定义在:
文档:

Returns a list of registered shortcode names found in the given content.

Example usage: get_shortcode_tags_in_content( '[audio src="file.mp3"][/audio] [foo] [gallery ids="1,2,3"]' ); // array( 'audio', 'gallery' )


Related Functions: get_url_in_content, get_shortcode_atts_regex, get_the_content, get_theme_starter_content, _filter_do_shortcode_context

源码 

function get_shortcode_tags_in_content( $content ) {
	if ( false === strpos( $content, '[' ) ) {
		return array();
	}

	preg_match_all( '/' . get_shortcode_regex() . '/', $content, $matches, PREG_SET_ORDER );
	if ( empty( $matches ) ) {
		return array();
	}

	$tags = array();
	foreach ( $matches as $shortcode ) {
		$tags[] = $shortcode[2];

		if ( ! empty( $shortcode[5] ) ) {
			$deep_tags = get_shortcode_tags_in_content( $shortcode[5] );
			if ( ! empty( $deep_tags ) ) {
				$tags = array_merge( $tags, $deep_tags );
			}
		}
	}

	return $tags;
}