note 102737 added to language.types.type-juggling

I found it tricky to check if a posted value was an integer. <?php $_POST['a'] = "42"; is_int( $_POST['a'] ); //false is_int( intval( "anything" ) ); //always true ?> A method I use for checking if a string represents an integer value. <?php function check_int( $str ) { return is_numeric( $str ) && intval( $str ) - $str == 0; } ?> ---- Server IP: 202.89.58.1 Probable Submitter: 118.93.104.78 ---- Manual Page -- http://www.php.net/manual/en/language.types.type-juggling.php Edit -- https://master.php.net/note/edit/102737 Del: integrated -- https://master.php.net/note/delete/102737/integrated Del: useless -- https://master.php.net/note/delete/102737/useless Del: bad code -- https://master.php.net/note/delete/102737/bad+code Del: spam -- https://master.php.net/note/delete/102737/spam Del: non-english -- https://master.php.net/note/delete/102737/non-english Del: in docs -- https://master.php.net/note/delete/102737/in+docs Del: other reasons-- https://master.php.net/note/delete/102737 Reject -- https://master.php.net/note/reject/102737 Search -- https://master.php.net/manage/user-notes.php