// to check the input integer validation we can use is_int() function
Syntax:
is_int(parameter);
$x = 10; //returns true
$x = "123"; //returns false
$x = 12.365; //returns false
$x = "ankur"; //returns false
is_int($x);if(is_numeric($what_am_i)){
//true
} // Check if variable is int
$id = "1";
if(!intval($id)){
throw new Exception("Not Int", 404);
}
else{
// this variable 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';
}
?>$a = 5; //returns true
$a = "5"; //returns false
$a = 5.3; //returns false
is_int($a);is_int(mixed $value): bool