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<?php function recurse_array($in) { if (is_array($in)) { foreach ($in as $val) { recurse_array($val); } } } $array = range(1, 10); $array[10] = $array; $array[10][10] = $array; $array[10][10][10] = $array; $array[10][10][10][10] = $array; $array[10][10][10][10][10] = $array; echo 'memory before: ', memory_get_peak_usage(true), "\n"; recurse_array($array); echo 'memory after: ', memory_get_peak_usage(true);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.5 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
memory before: 2097152 memory after: 2097152
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28
memory before: 262144 memory after: 524288
Output for 5.3.0 - 5.3.29
memory before: 786432 memory after: 786432
Output for 5.2.6 - 5.2.17
memory before: 262144 memory after: 262144
Output for 5.2.1 - 5.2.5
memory before: 262144
Process exited with code 139.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0
memory before: Fatal error: Call to undefined function memory_get_peak_usage() in /in/4bBdv on line 19
Process exited with code 255.
Output for 4.4.5 - 4.4.9
memory before: Fatal error: Call to undefined function: memory_get_peak_usage() in /in/4bBdv on line 19
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
memory before: Fatal error: Call to undefined function: memory_get_peak_usage() in /in/4bBdv on line 19
Process exited with code 255.
Output for 4.3.0 - 4.3.1
memory before: Fatal error: Call to undefined function: memory_get_peak_usage() in /in/4bBdv on line 19
preferences:
234.08 ms | 401 KiB | 357 Q