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@ 2014-06-12T09:47:18Z

<?php
$foo = "0";  // $foo is string (ASCII 48)
$foo++;      // $foo is the string "1" (ASCII 49)
var_dump($foo);
$foo = "123";
$foo++;
var_dump($foo);

Output
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var_dump: documentation ( source)

preferences:dark modelive preview

41.05 ms | 402 KiB | 5 Q