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wp_validate_boolean ›

Since4.0.0
Deprecatedn/a
› wp_validate_boolean ( $var )
Parameters:
  • (mixed) $var Boolean value to validate.
    Required: Yes
Returns:
  • (bool) Whether the value is validated.
Defined at:
Codex:

Filter/validate a variable as a boolean.

Alternative to filter_var( $var, FILTER_VALIDATE_BOOLEAN ).



Related Functions: wp_validate_auth_cookie, wp_validate_site_data, validate_file, wpmu_validate_blog_signup, wp_http_validate_url

Source 

function wp_validate_boolean( $var ) {
	if ( is_bool( $var ) ) {
		return $var;
	}

	if ( is_string( $var ) && 'false' === strtolower( $var ) ) {
		return false;
	}

	return (bool) $var;
}