3v4l.org

run code in 300+ PHP versions simultaneously
<?php function leak(int $bytes){ static $leaks=[]; $leaks[]=str_repeat('A',$bytes); } echo memory_get_usage(false),PHP_EOL; leak(100*1000); echo memory_get_usage(false),PHP_EOL; leak(100*1000); echo memory_get_usage(false),PHP_EOL; leak(100*1000); echo memory_get_usage(false),PHP_EOL; leak(100*1000); echo memory_get_usage(false),PHP_EOL; leak(100*1000); echo memory_get_usage(false),PHP_EOL; leak(100*1000); echo memory_get_usage(false),PHP_EOL; leak(100*1000); echo memory_get_usage(false),PHP_EOL; leak(100*1000); echo memory_get_usage(false),PHP_EOL; leak(100*1000); echo memory_get_usage(false),PHP_EOL; leak(100*1000); echo memory_get_usage(false),PHP_EOL; leak(100*1000);
Output for 7.4.0 - 7.4.1
391752 494592 596992 699392 801792 904192 1006592 1108992 1211392 1314112 1416512
Output for 7.3.0 - 7.3.13
391704 494536 596936 699336 801736 904136 1006536 1108936 1211336 1314056 1416456
Output for 7.2.0 - 7.2.26
387720 490496 592896 695296 797696 900096 1002496 1104896 1207296 1310016 1412416
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
351048 453824 556224 658624 761024 863424 965824 1068224 1170624 1273344 1375744
Output for 5.6.0 - 5.6.40
224592 Catchable fatal error: Argument 1 passed to leak() must be an instance of int, integer given, called in /in/D8iJa on line 8 and defined in /in/D8iJa on line 3
Process exited with code 255.
preferences:
126.56 ms | 401 KiB | 157 Q