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@ 2014-01-03T13:47:09Z

<?php

$input = '1.2.3';
var_dump($input);
$version = $version{0} = $input;
var_dump($version);

Output
Performance
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References
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var_dump: documentation ( source)

preferences:dark modelive preview

43.41 ms | 402 KiB | 5 Q