substr( $m[0], 1, -1 ); } $tag = $m[2]; $attr = shortcode_parse_atts( $m[3] ); if ( ! is_callable( $shortcode_tags[ $tag ] ) ) { _doing_it_wrong( __FUNCTION__, /* translators: %s: Shortcode tag. */ sprintf( __( 'Attempting to parse a shortcode without a valid callback: %s' ), $tag ), '4.3.0' ); return $m[0]; } /** * Filters whether to call a shortcode callback. * * Returning a non-false value from filter will short-circuit the * shortcode generation process, returning that value instead. * * @since 4.7.0 * * @param false|string $output Short-circuit return value. Either false or the value to replace the shortcode with. * @param string $tag Shortcode name. * @param array|string $attr Shortcode attributes array or the original arguments string if it cannot be parsed. * @param array $m Regular expression match array. */ $return = apply_filters( 'pre_do_shortcode_tag', false, $tag, $attr, $m ); if ( false !== $return ) { return $return; } $content = isset( $m[5] ) ? $m[5] : null; $output = $m[1] . call_user_func( $shortcode_tags[ $tag ], $attr, $content, $tag ) . $m[6]; /** * Filters the output created by a shortcode callback. * * @since 4.7.0 * * @param string $output Shortcode output. * @param string $tag Shortcode name. * @param array|string $attr Shortcode attributes array or the original arguments string if it cannot be parsed. * @param array $m Regular expression match array. */ return apply_filters( 'do_shortcode_tag', $output, $tag, $attr, $m ); } /** * Searches only inside HTML elements for shortcodes and process them. * * Any [ or ] characters remaining inside elements will be HTML encoded * to prevent interference with shortcodes that are outside the elements. * Assumes $content processed by KSES already. Users with unfiltered_html * capability may get unexpected output if angle braces are nested in tags. * * @since 4.2.3 * * @param string $content Content to search for shortcodes. * @param bool $ignore_html When true, all square braces inside elements will be encoded. * @param array $tagnames List of shortcodes to find. * @return string Content with shortcodes filtered out. */ function do_shortcodes_in_html_tags( $content, $ignore_html, $tagnames ) { // Normalize entities in unfiltered HTML before adding placeholders. $trans = array( '[' => '[', ']' => ']', ); $content = strtr( $content, $trans ); $trans = array( '[' => '[', ']' => ']', ); $pattern = get_shortcode_regex( $tagnames ); $textarr = wp_html_split( $content ); foreach ( $textarr as &$element ) { if ( '' === $element || '<' !== $element[0] ) { continue; } $noopen = ! str_contains( $element, '[' ); $noclose = ! str_contains( $element, ']' ); if ( $noopen || $noclose ) { // This element does not contain shortcodes. if ( $noopen xor $noclose ) { // Need to encode stray '[' or ']' chars. $element = strtr( $element, $trans ); } continue; } if ( $ignore_html || str_starts_with( $element, '