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run code in 150+ php & hhvm versions
Bugs & Features
<?php $max = 1000; $arr = array_fill(0, $max, 1); $mem = memory_get_usage(); $count = 0; foreach ($arr as $key => $val) { $count ++; $arr[$max+1] = 9999; } echo $count.' === '.(memory_get_usage()-$mem);
Output for 7.0.0 - 7.1.0
1000 === 40
Output for 5.5.0 - 5.6.28
1000 === 680
Output for 5.2.10 - 5.2.17, 5.4.0 - 5.4.45
1000 === 688
Output for 5.3.0 - 5.3.29
1000 === 736
Output for 5.2.2, 5.2.7 - 5.2.9
1000 === 88848
Output for 5.2.3 - 5.2.6
1000 === 88840
Output for 5.2.1
1000 === 32432
Output for 5.0.0 - 5.2.0
Fatal error: Call to undefined function memory_get_usage() in /in/Bdt3r on line 5
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: memory_get_usage() in /in/Bdt3r on line 5
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: memory_get_usage() in /in/Bdt3r on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: memory_get_usage() in /in/Bdt3r on line 5