__return_empty_array()
Returns an empty array.
WordPress File wp-includes/functions.php
__return_empty_string()
Returns an empty string.
__return_false()
Returns false.
__return_null()
Returns null.
__return_true()
Returns true.
__return_zero()
Returns 0.
_ajax_wp_die_handler()
Kills WordPress execution and displays Ajax response with an error message.
_canonical_charset()
Retrieve a canonical form of the provided charset appropriate for passing to PHP functions such as htmlspecialchars() and charset HTML attributes.
_cleanup_header_comment()
Strip close comment and close php tags from file headers used by WP.
_config_wp_home()
Retrieve the WordPress home page URL.