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@ 2017-07-04T12:35:29Z

<?php

$time = microtime(true);

$a = array();

for ($i = 0; $i < 100000; ++$i) {
    if (is_array($a)) {
        
    }
}

$time2 = microtime(true);


echo "Zeit: " . ($time2 - $time);

Output
Performance
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References
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microtime: documentation ( source)

preferences:dark modelive preview

31.32 ms | 402 KiB | 5 Q