3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = []; $startMemory = memory_get_usage(); foreach (range(1, 100000) as $i) { $array[] = "adfsdfghsfghfsgh $i"; } echo "seq array: ", memory_get_usage() - $startMemory, " bytes\n"; foreach (range(1, 100000) as $i) { $array["test$i"] = "sdfghsfghsfg $i"; } echo "seq+assoc array: ", memory_get_usage() - $startMemory, " bytes\n";

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27.81 ms | 402 KiB | 5 Q