Answers for "is_int php if"

php check if variable is int

// Check if variable is int
$id = "1";

if(!intval($id)){
  throw new Exception("Not Int", 404);
}
else{
	// this variable is int
}

php check string is int

<?php
// combination of is_int and type coercion
// FALSE: 0, '0', null, ' 234.6',  234.6
// TRUE: 34185, ' 34185', '234', 2345
$mediaID =  34185;
if( is_int( $mediaID + 0) && ( $mediaID + 0 ) > 0 ){
    echo 'isint'.$mediaID;
}else{
    echo 'isNOTValidIDint';
}
?>