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@ 2016-12-20T11:59:22Z

<?php

set_time_limit(1);

$a = 'aaa';

foreach ($a['bbb'] as &$value)
{
        echo 'loop';
}

unset($value);

echo 'done';

Output
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References
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set_time_limit: documentation ( source)

preferences:dark modelive preview

57.42 ms | 402 KiB | 5 Q