debug_fwrite() │ WP 0.71

Deprecated from version 3.4.0. It is no longer supported and can be removed in future releases. Use error_log() instead.

Write contents to the file used for debugging.

No Hooks.

Return

null. Nothing (null).

Usage

debug_fwrite( $fp, $message );
$fp(mixed) (required)
Unused.
$message(string) (required)
Message to log.

Notes

  • See: error_log()

Changelog

Since 0.71 Introduced.
Deprecated since 3.4.0 Use error_log()

debug_fwrite() code WP 6.5.2

wp-includes/deprecated.php 
function debug_fwrite( $fp, $message ) {
	_deprecated_function( __FUNCTION__, '3.4.0', 'error_log()' );
	if ( ! empty( $GLOBALS['debug'] ) )
		error_log( $message );
}