wp_is_writable() – Function | Developer.WordPress.org

wp_is_writable( string $path ): bool

Determines if a directory is writable.

Description

This function is used to work around certain ACL issues in PHP primarily affecting Windows Servers.

bool Whether the path is writable.

function wp_is_writable( $path ) {
	if ( 'Windows' === PHP_OS_FAMILY ) {
		return win_is_writable( $path );
	}

	return @is_writable( $path );
}

Uses	Description
win_is_writable()`wp-includes/functions.php`	Workaround for Windows bug in is_writable() function

Used by	Description
WP_Http::request()`wp-includes/class-wp-http.php`	Send an HTTP request to a URI.
get_temp_dir()`wp-includes/functions.php`	Determines a writable directory for temporary files.

Version	Description
3.6.0	Introduced.

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