3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $words = array_fill(0,10000, 'words dude words'); var_dump(memory_get_peak_usage());
Output for 7.0.0 - 7.1.0
int(874224)
Output for 5.5.24 - 5.6.28
int(1228632)
Output for 5.4.10 - 5.4.45
int(1229096)
Output for 5.4.0 - 5.4.9
int(1228568)
Output for 5.3.11 - 5.3.29
int(1631632)
Output for 5.3.0 - 5.3.10
int(1631328)
Output for 5.2.10 - 5.2.17
int(1089784)
Output for 5.2.7 - 5.2.9
int(1089816)
Output for 5.2.3 - 5.2.6
int(1090136)
Output for 5.2.2
int(1088024)
Output for 5.2.1
int(1087496)
Output for 5.0.0 - 5.2.0
Fatal error: Call to undefined function memory_get_peak_usage() in /in/4lRt5 on line 4
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: memory_get_peak_usage() in /in/4lRt5 on line 4
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: memory_get_peak_usage() in /in/4lRt5 on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: memory_get_peak_usage() in /in/4lRt5 on line 4