wp_validate_boolean( mixed $var )
Filter/validate a variable as a boolean.
Description Description
Alternative to filter_var( $var, FILTER_VALIDATE_BOOLEAN ).
Parameters Parameters
- $var
-
(mixed) (Required) Boolean value to validate.
Return Return
(bool) Whether the value is validated.
Source Source
File: wp-includes/functions.php
function wp_validate_boolean( $var ) {
if ( is_bool( $var ) ) {
return $var;
}
if ( is_string( $var ) && 'false' === strtolower( $var ) ) {
return false;
}
return (bool) $var;
}
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Changelog Changelog
| Version | Description |
|---|---|
| 4.0.0 | Introduced. |