note 116548 added to language.types.boolean

function is_true($val, $return_null=false){ $boolval = ( is_string($val) ? filter_var($val, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE) : (bool) $val ); return ( $boolval===null && !$return_null ? false : $boolval ); } // Return Values: is_true(new stdClass); // true is_true([1,2]); // true is_true([1]); // true is_true([0]); // true is_true(42); // true is_true(-42); // true is_true('true'); // true is_true('on') // true is_true('off') // false is_true('yes') // true is_true('no') // false is_true('ja') // false is_true('nein') // false is_true('1'); // true is_true(NULL); // false is_true(0); // false is_true('false'); // false is_true('string'); // false is_true('0.0'); // false is_true('4.2'); // false is_true('0'); // false is_true(''); // false is_true([]); // false ---- Server IP: 72.52.91.14 Probable Submitter: 84.119.122.26 ---- Manual Page -- http://php.net/manual/en/language.types.boolean.php Edit -- https://master.php.net/note/edit/116548 Del: integrated -- https://master.php.net/note/delete/116548/integrated Del: useless -- https://master.php.net/note/delete/116548/useless Del: bad code -- https://master.php.net/note/delete/116548/bad+code Del: spam -- https://master.php.net/note/delete/116548/spam Del: non-english -- https://master.php.net/note/delete/116548/non-english Del: in docs -- https://master.php.net/note/delete/116548/in+docs Del: other reasons-- https://master.php.net/note/delete/116548 Reject -- https://master.php.net/note/reject/116548 Search -- https://master.php.net/manage/user-notes.php