<?php
class User {
public function getZipCode($value)
{
return $value;
}
}
$user = new User();
if (preg_match("/^[0-9]+$/",$user->getZipCode('489756'))) {
$data['str'] = $user->getZipCode('489756');
}
if (preg_match("/^[0-9]+$/",$user->getZipCode(489756))) {
$data['int'] = $user->getZipCode(489756);
}
if (preg_match("/^[0-9]+$/",$user->getZipCode('489756d'))) {
$data['badStr1'] = $user->getZipCode('489756d');
}
var_dump($data);
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
array(2) {
["str"]=>
string(6) "489756"
["int"]=>
int(489756)
}