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untrailingslashit() WP 1.0

Removes trailing forward slashes and backslashes if they exist.

The primary use of this is for paths and thus should be used for paths. It is not restricted to paths and offers no specific path support.

1 time — 0.000001 sec (speed of light) | 50000 times — 0.01 sec (speed of light) | PHP 7.3.12, WP 5.4

No Hooks.


String. String without the trailing slashes.


untrailingslashit( $string );
$string(string) (required)
What to remove the trailing slashes from.


Since 2.2.0 Introduced.

Code of untrailingslashit() WP 5.8.1

function untrailingslashit( $string ) {
	return rtrim( $string, '/\\' );


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