README.md

http://d.hatena.ne.jp/hnw/20080606 のリンク先の php-equal-test.tgz がなくなっていて試せなかったので、現状確認のため書きました

php.php

#!php
<?php

$targets = array(
	array(),
	NULL,
	false,
	0,
	"",
	"0",
	"00",
	"0.0",
	" ",
	"\x00",
	true
);

echo "<table>";

echo "<tr><th></th>";
foreach ($targets as $b) {
	echo "<th>";
	var_dump($b);
	echo "</th>";
}
echo "</tr>";


foreach ($targets as $a) {
	echo "<tr>";
	echo "<th>";
	var_dump($a);
	echo "</th>";
	foreach ($targets as $b) {
		echo "<td>";
		echo $a == $b ? "<font color=green>true</font" : "<font color=red>false</font>";
		echo "</td>";
	}
	echo "</tr>";
}

echo "</table>";