[php]md5 — 計算字符串的 MD5 散列值
官方範例
<?php
$str = 'apple';
if (md5($str) === '1f3870be274f6c49b3e31a0c6728957f') {
echo "Would you like a green or red apple?";
}
?>
例子 1
<?php
$str = "Hello";
echo md5($str);
?>
輸出:
8b1a9953c4611296a827abf8c47804d7
例子 2
<?php
$str = "Hello";
echo md5($str);
if (md5($str) == '8b1a9953c4611296a827abf8c47804d7')
{
echo "<br />Hello world!";
exit;
}
?>
輸出:
8b1a9953c4611296a827abf8c47804d7
Hello world!
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