- var_dump: documentation ( source)
<?php
var_dump(0 == "0");
var_dump(0 == "0.0");
var_dump(0 == "foo");
var_dump(0 == "");
var_dump(42 == " 42");
var_dump(42 == "42foo");
echo "\n";
var_dump(0.0 == "");
var_dump(42.0 == "42foo");
var_dump(42 == "42.0foo");
var_dump(42.1 == "42.0foo");
var_dump(42.0 == "42.0foo");