the_meta_key │ filter-hook │ WP 2.2.0

Filters the HTML output of the li element in the post custom fields list.

Usage

add_filter( 'the_meta_key', 'wp_kama_the_meta_key_filter', 10, 3 );

/**
 * Function for `the_meta_key` filter-hook.
 * 
 * @param string $html  The HTML output for the li element.
 * @param string $key   Meta key.
 * @param string $value Meta value.
 *
 * @return string
 */
function wp_kama_the_meta_key_filter( $html, $key, $value ){

	// filter...
	return $html;
}

$html(string)

The HTML output for the li element.

$key(string)

Meta key.

$value(string)

Meta value.

Changelog

Where the hook is called

$li_html .= apply_filters( 'the_meta_key', $html, $key, $value );

Where the hook is used in WordPress