apply_filters( ‘deprecated_file_trigger_error’, bool $trigger )

Filters whether to trigger an error for deprecated files.

Parameters

$triggerbool: Whether to trigger the error for deprecated files. Default true.

if ( WP_DEBUG && apply_filters( 'deprecated_file_trigger_error', true ) ) {

Used by	Description
_deprecated_file()`wp-includes/functions.php`	Marks a file as deprecated and inform when it has been used.

Version	Description
2.5.0	Introduced.

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