<?php
$campo1 = "1";
$valor1 = 1;
if($campo1 === $valor1){
$msg="ok";
}
else{
$msg="erro";
}
echo $msg;
?>
PD9waHAKCiAkY2FtcG8xID0gIjEiOwogJHZhbG9yMSA9IDE7CgogICBpZigkY2FtcG8xID09PSAkdmFsb3IxKXsKICAgICAgJG1zZz0ib2siOwogICB9CiAgIGVsc2V7CiAgICAgICRtc2c9ImVycm8iOwogICB9CmVjaG8gJG1zZzsKPz4=