do_shortcode_tag

函数
do_shortcode_tag ( $m )
Access
Private
参数
  • (array) $m Regular expression match array.
    Required:
返回值
  • (string|false) Shortcode output on success, false on failure.
相关
  • get_shortcode_regex()
定义位置
相关方法
do_shortcodestrip_shortcode_tagadd_shortcodedo_shortcodes_in_html_tagsshortcode_atts
引入
2.5.0
弃用
-

do_shortcode_tag: 这是一个WordPress的函数,它被do_shortcode用来解析单个短码标签: 这个函数通常被那些需要创建自己的自定义短码的开发者使用。

常规表达式可调用do_shortcode(),用于调用短码钩子。

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EnlighterJS 3 Syntax Highlighter
function do_shortcode_tag( $m ) {
global $shortcode_tags;
// Allow [[foo]] syntax for escaping a tag.
if ( '[' === $m[1] && ']' === $m[6] ) {
return 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 $return 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 empty string.
* @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 empty string.
* @param array $m Regular expression match array.
*/
return apply_filters( 'do_shortcode_tag', $output, $tag, $attr, $m );
}
function do_shortcode_tag( $m ) { global $shortcode_tags; // Allow [[foo]] syntax for escaping a tag. if ( '[' === $m[1] && ']' === $m[6] ) { return 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 $return 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 empty string. * @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 empty string. * @param array $m Regular expression match array. */ return apply_filters( 'do_shortcode_tag', $output, $tag, $attr, $m ); }
function do_shortcode_tag( $m ) {
	global $shortcode_tags;

	// Allow [[foo]] syntax for escaping a tag.
	if ( '[' === $m[1] && ']' === $m[6] ) {
		return 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 $return 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 empty string.
	 * @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 empty string.
	 * @param array        $m      Regular expression match array.
	 */
	return apply_filters( 'do_shortcode_tag', $output, $tag, $attr, $m );
}

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