Filter hook 'deprecated_function_trigger_error'

in WP Core File wp-includes/functions.php at line 5551

View Source

deprecated_function_trigger_error

Filter Hook
Description
Filters whether to trigger an error for deprecated functions.

Hook Information

File Location wp-includes/functions.php View on GitHub
Hook Type Filter
Line Number 5551

Hook Parameters

Type Name Description
bool $trigger Whether to trigger the error for deprecated functions. Default true.

Usage Examples

Basic Usage
<?php
// Hook into deprecated_function_trigger_error
add_filter('deprecated_function_trigger_error', 'my_custom_filter', 10, 1);

function my_custom_filter($trigger) {
    // Your custom filtering logic here
    return $trigger;
}

Source Code Context

wp-includes/functions.php:5551 - How this hook is used in WordPress core
<?php
5546  	 *
5547  	 * @since 2.5.0
5548  	 *
5549  	 * @param bool $trigger Whether to trigger the error for deprecated functions. Default true.
5550  	 */
5551  	if ( WP_DEBUG && apply_filters( 'deprecated_function_trigger_error', true ) ) {
5552  		if ( function_exists( '__' ) ) {
5553  			if ( $replacement ) {
5554  				$message = sprintf(
5555  					/* translators: 1: PHP function name, 2: Version number, 3: Alternative function name. */
5556  					__( 'Function %1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.' ),

PHP Documentation

<?php
/**
	 * Filters whether to trigger an error for deprecated functions.
	 *
	 * @since 2.5.0
	 *
	 * @param bool $trigger Whether to trigger the error for deprecated functions. Default true.
	 */
Quick Info
  • Hook Type: Filter
  • Parameters: 1
  • File: wp-includes/functions.php
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