3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo memory_get_peak_usage(true);
Output for 7.0.0 - 7.1.0
2097152
Output for hhvm-3.12.0
301560
Output for hhvm-3.10.0
299904
Output for 5.2.1 - 5.2.17, 5.4.0 - 5.6.28
262144
Output for 5.3.0 - 5.3.29
786432
Output for 5.0.0 - 5.2.0
<br /> <b>Fatal error</b>: Call to undefined function memory_get_peak_usage() in <b>/in/CpgtU</b> on line <b>2</b><br />
Process exited with code 255.
Output for 4.4.5 - 4.4.9
<br /> <b>Fatal error</b>: Call to undefined function: memory_get_peak_usage() in <b>/in/CpgtU</b> on line <b>2</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.4.4
<br /> <b>Fatal error</b>: Call to undefined function: memory_get_peak_usage() in <b>/in/CpgtU</b> on line <b>2</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1
<br /> <b>Fatal error</b>: Call to undefined function: memory_get_peak_usage() in <b>/in/CpgtU</b> on line <b>2</b><br />