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add_shortcode ›

Da2.5.0
Deprecaton/a
add_shortcode ( $tag, $callback )
Parametri: (2)
  • (string) $tag Shortcode tag to be searched in post content.
    Richiesto:
  • (callable) $callback The callback function to run when the shortcode is found. Every shortcode callback is passed three parameters by default, including an array of attributes (`$atts`), the shortcode content or null if not set (`$content`), and finally the shortcode tag itself (`$shortcode_tag`), in that order.
    Richiesto:
Definito a:
Codex:

Adds a new shortcode.

Care should be taken through prefixing or other means to ensure that the shortcode tag being added is unique and will not conflict with other, already-added shortcode tags. In the event of a duplicated tag, the tag loaded last will take precedence.



Sorgenti

function add_shortcode( $tag, $callback ) {
	global $shortcode_tags;

	if ( '' == trim( $tag ) ) {
		$message = __( 'Invalid shortcode name: Empty name given.' );
		_doing_it_wrong( __FUNCTION__, $message, '4.4.0' );
		return;
	}

	if ( 0 !== preg_match( '@[<>&/\[\]\x00-\x20=]@', $tag ) ) {
		/* translators: 1: Shortcode name, 2: Space-separated list of reserved characters. */
		$message = sprintf( __( 'Invalid shortcode name: %1$s. Do not use spaces or reserved characters: %2$s' ), $tag, '& / < > [ ] =' );
		_doing_it_wrong( __FUNCTION__, $message, '4.4.0' );
		return;
	}

	$shortcode_tags[ $tag ] = $callback;
}