PHP – Gerador simples de hash MD5

<?php

print"

<title>Gerador de MD5 em PHP</title>

<center><b>Gerador de hash MD5</b></center>

<center>Esse script PHP gera hash MD5 a partir de caracteres definidas</center><br><br>

<form method='post' action='?gerar=md5'>

<br>

<center><font color=#AA000F><input type=text name=caracteres></input></center></pre>

<center><input type=submit value='Gerar MD5'></input></center>

</form><br><br><br>";

if($_GET['gerar'] == "md5"){

$caracteres = $_POST['caracteres'];  // pega senha definida para transformar em MD5

$geramd5 = substr(md5("$caracteres"),0,32);  // definindo nossa md5

print"<center><b><font color=#000000>Palavra/Caracteres:> [ <font color=#9F0000>$caracteres</font> ]</font></b></center>";

print"<center><b><font color=#000000>MD5:> [ <font color=#9F0000>$geramd5</font> ]</font></b></center>";

}

?>