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run code in 300+ PHP versions simultaneously
<?php function create_docs($amount) { $documents = []; for ($i = 0; $i < $amount; $i++) { $documents[] = ['a' => $i]; } } echo memory_get_usage(true), PHP_EOL; create_docs(5000); echo memory_get_usage(true), PHP_EOL; create_docs(50000); echo memory_get_usage(true), PHP_EOL; create_docs(5000); echo memory_get_usage(true), PHP_EOL;
Output for 7.0.0 - 7.0.16, 7.1.0 - 7.1.33, 7.2.17 - 7.2.25, 7.3.0 - 7.3.12, 7.4.0
2097152 4194304 20971520 20971520
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.30
262144 524288 524288 524288
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/2OVeU on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/2OVeU on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/2OVeU on line 5
Process exited with code 255.
preferences:
219.06 ms | 401 KiB | 255 Q