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@ 2017-09-07T08:32:42Z

<?php

$a = 1;
$b = $a+ + + $a;
var_dump($b);

$b = $a- -  -$a;
var_dump($b);

Output
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var_dump: documentation ( source)

preferences:dark modelive preview

56.36 ms | 402 KiB | 5 Q