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@ 2015-12-29T05:16:35Z

<?php

$foo = 'foo';
$bar = new stdClass;
$bar->$foo = array(10,20,30);

var_dump($bar);

$bar->{$foo[0]} = 42;

var_dump($bar);

Output
Performance
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References
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var_dump: documentation ( source)

preferences:dark modelive preview

56.17 ms | 402 KiB | 5 Q