PHP 类型比较实例 - 自学教程(runoops.com)

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>PHP 类型比较 实例 - 自学教程(runoops.com)</title>
</head>
<body>
​
<?php
echo '0 == false: ';
var_dump(0 == false);
echo '0 === false: ';
var_dump(0 === false);
echo PHP_EOL;
echo '0 == null: ';
var_dump(0 == null);
echo '0 === null: ';
var_dump(0 === null);
echo PHP_EOL;
echo 'false == null: ';