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run code in 150+ php & hhvm versions
Bugs & Features
<?php $pass = str_repeat('a', 1024 * 512); echo strlen($pass . $pass), "\n"; echo smemory_get_peak_usage(), "\n", memory_get_peak_usage()/(1024*1024) . 'MB';
Output for 7.0.0 - 7.1.0
1048576 Fatal error: Uncaught Error: Call to undefined function smemory_get_peak_usage() in /in/2M0Cj:6 Stack trace: #0 {main} thrown in /in/2M0Cj on line 6
Process exited with code 255.
Output for hhvm-3.12.0
1048576 Fatal error: Uncaught Error: Call to undefined function smemory_get_peak_usage() in /in/2M0Cj:6 Stack trace: #0 {main}
Process exited with code 255.
Output for 5.0.0 - 5.6.28, hhvm-3.10.0
1048576 Fatal error: Call to undefined function smemory_get_peak_usage() in /in/2M0Cj on line 6
Process exited with code 255.
Output for 4.4.5 - 4.4.9
1048576 Fatal error: Call to undefined function: smemory_get_peak_usage() in /in/2M0Cj on line 6
Process exited with code 255.
Output for 4.3.2 - 4.4.4
1048576 Fatal error: Call to undefined function: smemory_get_peak_usage() in /in/2M0Cj on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1
1048576 Fatal error: Call to undefined function: smemory_get_peak_usage() in /in/2M0Cj on line 6