3v4l.org

run code in 300+ PHP versions simultaneously
<?php $numbers = range(32, 127); $numbersLetters = array_map('chr', $numbers); for (;;) { $numbersLetters = array_merge($numbersLetters, $numbersLetters); if (count($numbersLetters) > 1000) { break; } } $numbers = range(1, count($numbersLetters)); printf("Sample size: %d elements in 2 arrays (%d total) \n", count($numbers), count($numbers) + count($numbersLetters)); // =============================------------=============================== printf("Benchmarking speed in foreach + in_array() scenario... (this might take a while) "); shuffle($numbers); shuffle($numbersLetters); $t1 = microtime(true); foreach ($numbers as $number) { if (in_array($number, $numbersLetters)) {} } $t2 = microtime(true); printf("DONE!\n"); printf("Time elapsed: %.5f \n", $t2 - $t1); // =============================------------=============================== printf("Benchmarking speed with array_intersect..."); shuffle($numbers); shuffle($numbersLetters); $t1 = microtime(true); array_intersect($numbers, $numbersLetters); $t2 = microtime(true); printf("DONE!\n"); printf("Time elapsed: %.5f \n", $t2 - $t1);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
7.2.60.0070.04416.48
7.2.00.0100.05619.49
7.1.100.0100.03717.50
7.1.70.0030.04617.13
7.1.60.0670.09033.59
7.1.50.0470.06733.37
7.1.40.0400.07032.95
7.1.30.0530.06332.92
7.1.20.0500.06033.01
7.1.10.0370.08715.02
7.1.00.0400.05715.14
7.0.200.0330.08715.18
7.0.190.0330.06714.85
7.0.180.0300.06314.73
7.0.170.0370.06014.65
7.0.160.0330.07314.73
7.0.150.0300.06714.73
7.0.140.0330.06714.68
7.0.130.0270.07014.91
7.0.120.0730.07015.12
7.0.110.0370.06314.76
7.0.100.0370.05714.84
7.0.90.0370.06014.84
7.0.80.0230.07014.93
7.0.70.0300.08014.84
7.0.60.0970.06014.42
7.0.50.0370.06014.88
7.0.40.0300.06014.75
7.0.30.0270.06715.13
7.0.20.0300.06314.96
7.0.10.0330.08014.83
7.0.00.0300.06314.96

preferences:
36.84 ms | 400 KiB | 5 Q