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run code in 300+ PHP versions simultaneously
<?php function foo() { static $bar = "1234567890123456789012345678901234567890"; return $bar; } var_dump(memory_get_usage(true)); $f = foo(); var_dump(memory_get_usage(true));
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.17 - 7.2.25, 7.3.0 - 7.3.12, 7.4.0
int(2097152) int(2097152)
Output for 5.2.1 - 5.2.17, 5.4.0 - 5.4.45, 5.5.0 - 5.5.36, 5.6.0 - 5.6.28
int(262144) int(262144)
Output for 5.3.0 - 5.3.29
int(786432) int(786432)
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0
Fatal error: Call to undefined function memory_get_usage() in /in/RqqQ5 on line 8
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: memory_get_usage() in /in/RqqQ5 on line 8
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: memory_get_usage() in /in/RqqQ5 on line 8
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: memory_get_usage() in /in/RqqQ5 on line 8
preferences:
169.52 ms | 401 KiB | 238 Q