smilies_init()
Function: Converts smiley code to the icon graphic file equivalent.
Source: wp-includes/functions.php:4745
wp_check_jsonp_callback()
Function: Checks that a JSONP callback is a valid JavaScript callback name.
Source: wp-includes/functions.php:4541
_ajax_wp_die_handler()
Function: Kills WordPress execution and displays Ajax response with an error message.
Source: wp-includes/functions.php:3973
_scalar_wp_die_handler()
Function: Kills WordPress execution and displays an error message.
Source: wp-includes/functions.php:4172
wp_json_encode()
Function: Encodes a variable into JSON, with some sanity checks.
Source: wp-includes/functions.php:4288
wp_send_json()
Function: Sends a JSON response back to an Ajax request.
Source: wp-includes/functions.php:4431
wp_send_json_success()
Function: Sends a JSON response back to an Ajax request, indicating success.
Source: wp-includes/functions.php:4478
wp_send_json_error()
Function: Sends a JSON response back to an Ajax request, indicating failure.
Source: wp-includes/functions.php:4505
wp_check_filetype()
Function: Retrieves the file type from the file name.
Source: wp-includes/functions.php:3027
getimagesize_mimes_to_exts
Filter Hook: Filters the list mapping image mime types to their respective extensions.
Source: wp-includes/functions.php:3100