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run code in 300+ PHP versions simultaneously
<?php $max = 100; $arr = array_fill(0, $max, 1); $mem = memory_get_usage(true); foreach ($arr as $key=>$val) { $arr[$max+1] = 9999; } echo memory_get_usage(true)-$mem;
Output for 5.2.1 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7
0
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0
Fatal error: Call to undefined function memory_get_usage() in /in/ecF4i 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/ecF4i on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: memory_get_usage() in /in/ecF4i 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/ecF4i on line 5
preferences:
150.41 ms | 401 KiB | 174 Q