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run code in 150+ php & hhvm versions
Bugs & Features
<?php $max = 100; $arr = array_fill(0, $max, 1); $mem = memory_get_usage(true); $count = 0; foreach ($arr as $key=>$val) { $count ++; $arr[$max+1] = 9999; } echo 1; echo $count.': '.memory_get_usage(true)-$mem;
Output for 7.1.0
1 Notice: A non well formed numeric value encountered in /in/kgQ4P on line 14 -2097052
Output for 7.0.0 - 7.0.14
1-2097052
Output for 5.2.1 - 5.2.17, 5.4.0 - 5.6.28
1-262044
Output for 5.3.0 - 5.3.29
1-786332
Output for 5.0.0 - 5.2.0
Fatal error: Call to undefined function memory_get_usage() in /in/kgQ4P 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/kgQ4P 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/kgQ4P 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/kgQ4P on line 5