WordPress at a glance
function is not described

wp_is_file_mod_allowed() WP 4.8.0

Determines whether file modifications are allowed.

Hooks from the function
Return

true/false. True if file modification is allowed, false otherwise.

Usage

wp_is_file_mod_allowed( $context );
$context(string) (required)
The usage context.

Changelog

Since 4.8.0 Introduced.

Code of wp is file mod allowed: wp-includes/load.php WP 5.2.3

<?php
function wp_is_file_mod_allowed( $context ) {
	/**
	 * Filters whether file modifications are allowed.
	 *
	 * @since 4.8.0
	 *
	 * @param bool   $file_mod_allowed Whether file modifications are allowed.
	 * @param string $context          The usage context.
	 */
	return apply_filters( 'file_mod_allowed', ! defined( 'DISALLOW_FILE_MODS' ) || ! DISALLOW_FILE_MODS, $context );
}