WordPress at a glance
function is not described

debug_fclose() WP 0.71

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

Close the debugging file handle.

  • See: error_log()

No Hooks.

Return

Nothing (null).

Usage

debug_fclose( $fp );
$fp(mixed) (required)
Unused.

Code of debug fclose: wp-includes/deprecated.php VER 5.0.3

<?php
function debug_fclose( $fp ) {
	_deprecated_function( __FUNCTION__, '3.4.0', 'error_log()' );
}