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wp_validate_boolean › WordPress Function

Since4.0.0
已弃用n/a
› wp_validate_boolean ( $value )
参数:
  • (mixed) $value Boolean value to validate.
    Required: Yes
返回:
  • (bool) Whether the value is validated.
定义在:
文档:

Filters/validates a variable as a boolean.

Alternative to filter_var( $value, FILTER_VALIDATE_BOOLEAN ).


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

源码 

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

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

	return (bool) $value;
}