3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types=1); error_reporting(-1); ini_set('display_errors', 'On'); function pwr(array $elements, int $k, int $idx = 0, array &$result = []): \Generator { foreach ($elements as $element) { $result[$idx] = $element; if ($k - $idx > 1) { yield from pwr($elements, $k, $idx + 1, $result); } else { yield $result; } } } function gen(array $keys, array $values): \Generator { foreach (pwr($values, \count($keys)) as $set) { yield array_combine($keys, $set); } } foreach (gen(range('a', 'j'), [true, false]) as $case) { foreach ($case as $k => $v) { echo $v ? $k : '_'; } echo "\n"; }

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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)
8.3.110.0100.01020.94
8.3.100.0100.01724.06
8.3.90.0100.00726.77
8.3.80.0140.00416.50
8.3.70.0140.01716.58
8.3.60.0320.01618.42
8.3.50.0300.00518.32
8.3.40.0280.01418.97
8.3.30.0190.01318.61
8.3.20.0170.00021.77
8.3.10.0150.00323.51
8.3.00.0100.01023.48
8.2.230.0140.00422.58
8.2.220.0090.01237.54
8.2.210.0230.00726.77
8.2.200.0130.01016.75
8.2.190.0200.02416.58
8.2.180.0320.01318.34
8.2.170.0210.01422.96
8.2.160.0330.00720.44
8.2.150.0160.00024.18
8.2.140.0130.00624.66
8.2.130.0130.00326.16
8.2.120.0180.00021.04
8.2.110.0170.00722.14
8.2.100.0200.00717.97
8.2.90.0060.00620.63
8.2.80.0040.01117.97
8.2.70.0130.00017.93
8.2.60.0070.00718.05
8.2.50.0070.00718.16
8.2.40.0120.00320.57
8.2.30.0070.00718.21
8.2.20.0040.01118.14
8.2.10.0080.00619.39
8.2.00.0070.00717.99
8.1.290.0090.00918.88
8.1.280.0190.01325.92
8.1.270.0150.00422.25
8.1.260.0150.00426.35
8.1.250.0150.00328.09
8.1.240.0140.01023.77
8.1.230.0180.00623.91
8.1.220.0070.00717.79
8.1.210.0070.00718.89
8.1.200.0100.00317.35
8.1.190.0060.00917.22
8.1.180.0070.00718.10
8.1.170.0100.00318.50
8.1.160.0140.00019.00
8.1.150.0100.00318.93
8.1.140.0100.00318.91
8.1.130.0030.00920.10
8.1.120.0060.00617.50
8.1.110.0150.00017.44
8.1.100.0090.00617.49
8.1.90.0070.00717.52
8.1.80.0060.00917.36
8.1.70.0110.00717.43
8.1.60.0030.01017.49
8.1.50.0030.01017.51
8.1.40.0100.00317.57
8.1.30.0100.00317.63
8.1.20.0110.00417.58
8.1.10.0110.00417.59
8.1.00.0070.00617.59
8.0.300.0060.00619.97
8.0.290.0130.00016.63
8.0.280.0070.00718.38
8.0.270.0060.00617.15
8.0.260.0030.01018.37
8.0.250.0070.00716.87
8.0.240.0100.00317.00
8.0.230.0040.00816.95
8.0.220.0120.00016.80
8.0.210.0100.00316.92
8.0.200.0110.00316.86
8.0.190.0130.00016.89
8.0.180.0030.01016.84
8.0.170.0030.01016.92
8.0.160.0060.00616.79
8.0.150.0120.00316.80
8.0.140.0030.01016.88
8.0.130.0060.00613.33
8.0.120.0110.00316.83
8.0.110.0070.00716.82
8.0.100.0030.01016.82
8.0.90.0040.00816.80
8.0.80.0210.02116.97
8.0.70.0090.00316.77
8.0.60.0090.00616.97
8.0.50.0030.00916.87
8.0.30.0410.01316.97
8.0.20.0240.03917.31
8.0.10.0030.01016.89
8.0.00.0420.02216.88
7.4.330.0040.00715.55
7.4.320.0060.00616.51
7.4.300.0060.00616.57
7.4.290.0070.00716.43
7.4.280.0090.00516.61
7.4.270.0070.00716.52
7.4.260.0060.00916.61
7.4.250.0040.01116.49
7.4.240.0070.00716.51
7.4.230.0060.00616.41
7.4.220.0060.00616.69
7.4.210.0120.02416.55
7.4.200.0040.00716.53
7.4.160.0360.02616.57
7.4.140.0580.03017.86
7.4.130.0420.02316.42
7.4.120.0400.02116.43
7.4.110.0360.02316.42
7.4.100.0360.03316.45
7.4.90.0390.02416.38
7.4.80.0220.02819.39
7.4.70.0330.02216.50
7.4.60.0200.02616.41
7.4.50.0160.01316.34
7.4.40.0230.03116.38
7.4.00.0160.01315.18
7.3.330.0060.00613.28
7.3.320.0040.00813.35
7.3.310.0060.00616.40
7.3.300.0080.00416.42
7.3.290.0040.00816.32
7.3.280.0210.02116.31
7.3.260.0440.02716.63
7.3.240.0470.02116.59
7.3.230.0540.01416.54
7.3.210.0310.03216.51
7.3.200.0290.02916.55
7.3.190.0320.01616.59
7.3.180.0290.01616.54
7.3.170.0350.03816.63
7.3.160.0200.02616.52
7.3.10.0530.02014.63
7.3.00.0620.02614.98
7.2.330.0270.03016.75
7.2.320.0370.02016.86
7.2.310.0210.02516.81
7.2.300.0330.03716.79
7.2.290.0360.03416.39
7.2.130.0630.01815.05
7.2.120.0670.00915.08
7.2.110.0630.01315.19
7.2.100.0850.01515.09
7.2.90.0870.01215.13
7.2.80.0900.01014.83
7.2.70.0690.02215.24
7.2.60.0720.02114.91
7.2.50.0660.01715.16
7.2.40.0610.01515.24
7.2.30.0530.01115.17
7.2.20.0350.03415.08
7.2.10.0610.01714.94
7.2.00.0380.01815.18
7.1.250.0490.01313.94

preferences:
141.18 ms | 403 KiB | 5 Q