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@wozozo
Created March 6, 2010 14:27
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<?php
$a = '1-a';
$a = ++$a;
$a = ++$a;
$a = ++$a;
$a = ++$a;
$a = ++$a;
$a = ++$a;
$a = ++$a;
$a = ++$a;
$a = ++$a;
$a = ++$a;
$a = ++$a;
$a = ++$a;
$a = ++$a;
$a = ++$a;
$a = ++$a;
$a = ++$a;
$a = ++$a;
$a = ++$a;
$a = ++$a;
$a = ++$a;
$a = ++$a;
$a = ++$a;
$a = ++$a;
$a = ++$a;
$a = ++$a;
var_dump($a); // string(3) "1-z"
$a = ++$a;
var_dump($a); // string(3) "1-a"
$a = '1-a';
$a += 1;
var_dump($a); // int(2)
$a = '1-a';
$a += '1-a';
var_dump($a); // int(2)
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