3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array( 'a' => '', 'b' => '', 'c' => array( 'd' => '', 'e' => '', 'f' => array( 'g' => '', 'h' => '', 'i' => '', ), ), ); echo (_array_key_exists_r($array, 'a')) ? 'aye' : 'nah'; function _array_key_exists_r($array, $key) { foreach ($array as $index => $subarray) { if ($index == $key) return TRUE; elseif (is_array($subarray)) return _array_key_exists_r($subarray, $key); } return FALSE; }

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)
8.3.60.0170.00318.43
8.3.50.0120.00618.07
8.3.40.0140.00018.67
8.3.30.0100.00319.09
8.3.20.0000.00720.21
8.3.10.0080.00023.27
8.3.00.0020.00519.21
8.2.180.0040.01116.75
8.2.170.0040.01122.96
8.2.160.0090.00620.52
8.2.150.0040.00424.18
8.2.140.0030.00624.66
8.2.130.0000.00726.16
8.2.120.0060.00320.93
8.2.110.0030.00722.03
8.2.100.0090.00317.72
8.2.90.0000.00819.23
8.2.80.0000.00817.97
8.2.70.0060.00317.59
8.2.60.0000.00917.65
8.2.50.0030.00618.07
8.2.40.0030.00618.22
8.2.30.0000.00718.06
8.2.20.0000.00717.60
8.2.10.0070.00018.23
8.2.00.0040.00417.68
8.1.270.0080.00018.75
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0000.00923.83
8.1.230.0070.00418.89
8.1.220.0060.00317.77
8.1.210.0000.00818.77
8.1.200.0090.00017.35
8.1.190.0000.00817.35
8.1.180.0080.00018.10
8.1.170.0060.00318.59
8.1.160.0030.00522.02
8.1.150.0000.00718.77
8.1.140.0090.00019.16
8.1.130.0030.00317.73
8.1.120.0040.00417.47
8.1.110.0000.00717.45
8.1.100.0020.00517.43
8.1.90.0000.00717.53
8.1.80.0070.00017.36
8.1.70.0030.00317.41
8.1.60.0040.00417.55
8.1.50.0080.00017.42
8.1.40.0000.00817.40
8.1.30.0000.00817.48
8.1.20.0080.00017.50
8.1.10.0040.00417.50
8.1.00.0040.00417.45
8.0.300.0030.00318.77
8.0.290.0060.00316.63
8.0.280.0030.00318.39
8.0.270.0070.00017.11
8.0.260.0000.00618.46
8.0.250.0030.00316.95
8.0.240.0080.00016.82
8.0.230.0000.00716.98
8.0.220.0050.00216.87
8.0.210.0000.00716.76
8.0.200.0000.00716.88
8.0.190.0040.00416.93
8.0.180.0040.00416.92
8.0.170.0070.00016.90
8.0.160.0040.00316.86
8.0.150.0000.00816.79
8.0.140.0050.00216.81
8.0.130.0030.00313.38
8.0.120.0030.00616.86
8.0.110.0050.00216.74
8.0.100.0030.00316.72
8.0.90.0000.00716.87
8.0.80.0080.00816.95
8.0.70.0070.00016.80
8.0.60.0000.00716.85
8.0.50.0080.00016.88
8.0.30.0150.00716.97
8.0.20.0140.01017.40
8.0.10.0000.00816.87
8.0.00.0070.01016.66
7.4.330.0000.00515.20
7.4.320.0060.00016.60
7.4.300.0000.00616.47
7.4.290.0000.00716.61
7.4.280.0040.00416.59
7.4.270.0030.00316.46
7.4.260.0030.00316.48
7.4.250.0030.00516.61
7.4.240.0050.00216.57
7.4.230.0000.00716.25
7.4.220.0090.01316.61
7.4.210.0030.01216.66
7.4.200.0090.00016.39
7.4.160.0150.00016.54
7.4.150.0200.00617.40
7.4.140.0150.00617.86
7.4.130.0070.00916.40
7.4.120.0120.00616.70
7.4.110.0130.00616.45
7.4.100.0040.01316.38
7.4.90.0030.01516.56
7.4.80.0090.01319.39
7.4.70.0150.00816.50
7.4.60.0090.00616.40
7.4.50.0040.00416.34
7.4.40.0080.00816.35
7.4.30.0160.00716.28
7.4.00.0180.00014.86
7.3.330.0050.00013.13
7.3.320.0030.00313.31
7.3.310.0000.00716.16
7.3.300.0000.00616.22
7.3.290.0070.00616.29
7.3.280.0070.01416.33
7.3.270.0100.01617.40
7.3.260.0140.00716.48
7.3.250.0120.00516.43
7.3.240.0030.01616.66
7.3.230.0080.00816.59
7.3.210.0090.01216.46
7.3.200.0030.01319.39
7.3.190.0080.00816.56
7.3.180.0080.00816.63
7.3.170.0070.01116.57
7.3.160.0080.00816.30
7.3.120.0080.00814.79
7.3.110.0060.00914.92
7.3.100.0000.01514.84
7.3.90.0000.01314.96
7.3.80.0040.00914.93
7.3.70.0030.00914.83
7.3.60.0060.00314.90
7.3.50.0060.00314.79
7.3.40.0030.01014.98
7.3.30.0110.00414.96
7.3.20.0030.01016.70
7.3.10.0060.00616.60
7.3.00.0040.01116.63
7.2.330.0130.00316.79
7.2.320.0110.00616.44
7.2.310.0000.01716.81
7.2.300.0050.01116.63
7.2.290.0090.00916.60
7.2.240.0080.00415.07
7.2.230.0040.01114.75
7.2.220.0030.00914.84
7.2.210.0060.00915.30
7.2.200.0070.00315.01
7.2.190.0110.00414.98
7.2.180.0030.01014.72
7.2.170.0070.01014.99
7.2.160.0070.01015.05
7.2.150.0040.01117.09
7.2.140.0070.00716.99
7.2.130.0070.00716.93
7.2.120.0030.01016.70
7.2.110.0070.00716.77
7.2.100.0090.00616.96
7.2.90.0030.01317.01
7.2.80.0040.01116.66
7.2.70.0070.00416.86
7.2.60.0000.01416.87
7.2.50.0060.00916.98
7.2.40.0070.00717.05
7.2.30.0080.00016.99
7.2.20.0030.01216.93
7.2.10.0030.01116.98
7.2.00.0040.00918.23
7.1.330.0070.00715.48
7.1.320.0030.00915.80
7.1.310.0000.01315.52
7.1.300.0070.00715.84
7.1.290.0030.01015.66
7.1.280.0080.00315.66
7.1.270.0030.00715.78
7.1.260.0090.00415.76
7.1.250.0030.00715.87
7.1.100.0060.00618.20
7.1.70.0050.00317.13
7.1.60.0060.01619.46
7.1.50.0030.00716.95
7.1.00.0070.07322.57
7.0.200.0000.00716.61
7.0.140.0030.03322.08
7.0.60.0100.07719.88
7.0.50.0130.07017.98
7.0.40.0030.04320.40
7.0.30.0300.07320.33
7.0.20.0270.04320.16
7.0.10.0030.09320.33
7.0.00.0100.05720.09
5.6.210.0000.04320.50
5.6.200.0070.08018.14
5.6.190.0000.09020.57
5.6.180.0330.03720.77
5.6.170.0370.08720.45
5.6.160.0100.05720.57
5.6.150.0130.07318.18
5.6.140.0300.05318.18
5.6.130.0070.07018.14
5.6.120.0070.04321.02
5.6.110.0000.04721.11
5.6.100.0070.08020.96
5.6.90.0170.07321.14
5.6.80.0070.09020.36
5.5.350.3930.04720.44
5.5.340.0030.08717.95
5.5.330.0100.08320.31
5.5.320.0230.04320.24
5.5.310.0300.08720.32
5.5.300.0030.06318.03
5.5.290.0070.07317.92
5.5.280.0030.09020.77
5.5.270.0100.07720.76
5.5.260.0130.08020.73
5.5.250.0070.07720.59
5.5.240.0030.07020.16
5.4.450.0670.06719.61
5.4.440.0670.06719.50
5.4.430.0170.04719.54
5.4.420.0570.06019.44
5.4.410.0770.05719.25
5.4.400.0800.05319.30
5.4.390.0400.04718.53
5.4.380.0600.05018.79
5.4.370.0430.06318.63
5.4.360.0270.06018.59
5.4.350.0200.06318.82
5.4.340.0270.05718.75
5.4.320.0230.06018.80
5.4.310.0270.05018.84
5.4.300.0230.05018.75
5.4.290.0270.05718.84
5.4.280.0200.06018.52
5.4.270.0130.06018.69
5.4.260.0270.05318.62
5.4.250.0230.05718.62
5.4.240.0200.05718.69
5.4.230.0070.06718.74
5.4.220.0170.06018.75
5.4.210.0130.06318.55
5.4.200.0200.06016.54
5.4.190.0270.04718.79
5.4.180.0400.04718.59
5.4.170.0270.05318.79
5.4.160.0170.06018.73
5.4.150.0230.05718.78
5.4.140.0230.06716.25
5.4.130.0270.04316.29
5.4.120.0370.03716.33
5.4.110.0230.05016.21
5.4.100.0270.05016.41
5.4.90.0230.05316.32
5.4.80.0270.05016.31
5.4.70.0470.04716.27
5.4.60.0470.05716.14
5.4.50.0370.06316.30
5.4.40.0300.04716.24
5.4.30.0300.04016.20
5.4.20.0270.06016.28
5.4.10.0270.05716.25
5.4.00.0300.06315.88
5.3.290.0430.06314.70
5.3.280.0300.04714.64
5.3.270.0300.05014.62
5.3.260.0200.06714.70
5.3.250.0330.04714.73
5.3.240.0270.05014.62
5.3.230.0230.05714.72
5.3.220.0270.05014.59
5.3.210.0300.06014.66
5.3.200.0300.05014.79
5.3.190.0300.06014.55
5.3.180.0300.05314.59
5.3.170.0270.05714.59
5.3.160.0330.05014.55
5.3.150.0270.05314.59
5.3.140.0370.06314.58
5.3.130.0300.05314.71
5.3.120.0270.06014.59
5.3.110.0330.05714.57
5.3.100.0530.05314.07
5.3.90.0470.06714.16
5.3.80.0530.05714.06
5.3.70.0370.05314.04
5.3.60.0370.06014.02
5.3.50.0430.03714.02
5.3.40.0330.05013.94
5.3.30.0470.06313.95
5.3.20.0270.06013.82
5.3.10.0430.07713.67
5.3.00.0430.05713.67
5.2.170.0330.04311.18
5.2.160.0270.04311.19
5.2.150.0430.04011.25
5.2.140.0200.06711.35
5.2.130.0330.04011.15
5.2.120.0300.04011.16
5.2.110.0300.04711.09
5.2.100.0270.05311.15
5.2.90.0330.05311.13
5.2.80.0330.05311.20
5.2.70.0130.06711.20
5.2.60.0370.04711.08
5.2.50.0270.05311.02
5.2.40.0200.04711.04
5.2.30.0130.04711.04
5.2.20.0230.04011.00
5.2.10.0270.05010.93
5.2.00.0200.04310.71
5.1.60.0200.04710.02
5.1.50.0230.04710.08
5.1.40.0330.0279.96
5.1.30.0270.04710.43
5.1.20.0270.04310.54
5.1.10.0330.03310.21
5.1.00.0200.05010.18
5.0.50.0130.0378.59
5.0.40.0030.0438.60
5.0.30.0200.0508.30
5.0.20.0230.0278.30
5.0.10.0170.0238.36
5.0.00.0170.0538.28
4.4.90.0100.0206.84
4.4.80.0130.0306.84
4.4.70.0200.0306.84
4.4.60.0130.0276.84
4.4.50.0230.0206.84
4.4.40.0130.0376.84
4.4.30.0200.0236.84
4.4.20.0100.0206.84
4.4.10.0230.0176.84
4.4.00.0070.0476.84
4.3.110.0230.0176.84
4.3.100.0170.0276.84
4.3.90.0030.0276.84
4.3.80.0030.0406.84
4.3.70.0200.0206.84
4.3.60.0130.0276.84
4.3.50.0130.0276.84
4.3.40.0130.0476.84
4.3.30.0100.0276.84
4.3.20.0100.0306.84
4.3.10.0030.0336.84
4.3.00.0100.0307.34

preferences:
64.27 ms | 400 KiB | 5 Q