3v4l.org

run code in 300+ PHP versions simultaneously
<?php function array_key_exists_recursive($key, array $array, $strict = false) { foreach ($array as $k => $v) { if ($strict && $key === $k) { return true; } else if (!$strict && $key == $k) { return true; } else if (is_array($v)) { return array_key_exists_recursive($key, $v, $strict); } } } $array = Array ( [21] => Array ( ) [24] => Array ( [22] => Array ( ) [25] => Array ( [26] => Array ( ) ) ) ); var_dump(array_key_exists_recursive(22, $array));

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)
5.4.210.0090.06112.41
5.4.200.0110.04712.40
5.4.190.0140.05212.39
5.4.180.0140.04412.39
5.4.170.0120.04912.39
5.4.160.0100.04312.39
5.4.150.0130.04412.39
5.4.140.0150.03812.08
5.4.130.0130.05612.06
5.4.120.0120.05612.03
5.4.110.0140.04312.02
5.4.100.0100.04512.03
5.4.90.0210.06012.03
5.4.80.0140.04812.03
5.4.70.0120.05112.02
5.4.60.0120.04612.02
5.4.50.0190.05412.02
5.4.40.0130.06312.01
5.4.30.0190.06012.00
5.4.20.0160.04912.00
5.4.10.0140.04212.00
5.4.00.0100.04111.50
5.3.270.0100.04912.72
5.3.260.0100.04612.72
5.3.250.0190.04712.72
5.3.240.0120.05712.72
5.3.230.0150.05112.71
5.3.220.0150.04212.68
5.3.210.0190.07212.68
5.3.200.0120.04112.68
5.3.190.0150.04412.68
5.3.180.0160.05312.67
5.3.170.0180.05012.67
5.3.160.0110.04312.67
5.3.150.0250.07512.67
5.3.140.0120.04412.66
5.3.130.0100.04612.66
5.3.120.0120.04112.66
5.3.110.0120.04312.66
5.3.100.0110.04212.12
5.3.90.0110.04212.10
5.3.80.0110.04312.09
5.3.70.0130.04112.08
5.3.60.0150.05812.07
5.3.50.0140.04312.01
5.3.40.0160.05612.01
5.3.30.0100.04911.98
5.3.20.0120.04011.77
5.3.10.0150.06811.72
5.3.00.0100.04011.70

preferences:
137.25 ms | 1386 KiB | 7 Q