3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array(0 => 100, "color" => "red"); $keys = array_keys('fsd','ds'); print_r($keys[1]); echo $dd = count($key); ?>

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)
8.3.60.0110.00416.88
8.3.50.0100.01021.10
8.3.40.0140.00418.84
8.3.30.0080.00818.73
8.3.20.0040.00420.14
8.3.10.0030.00623.33
8.3.00.0050.00323.61
8.2.180.0040.01816.63
8.2.170.0100.01022.96
8.2.160.0070.00722.25
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0000.00826.16
8.2.120.0030.00617.38
8.2.110.0000.01019.27
8.2.100.0030.00917.84
8.2.90.0030.00618.22
8.2.80.0050.00319.17
8.2.70.0080.00017.63
8.2.60.0000.00917.80
8.2.50.0000.00918.07
8.2.40.0000.00820.87
8.2.30.0000.00719.76
8.2.20.0040.00417.55
8.2.10.0070.00018.04
8.2.00.0080.00017.92
8.1.280.0030.01025.92
8.1.270.0050.00320.32
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0090.00022.06
8.1.230.0110.00421.04
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0060.00317.23
8.1.190.0040.00417.22
8.1.180.0060.00318.10
8.1.170.0040.00418.58
8.1.160.0070.00021.86
8.1.150.0040.00418.86
8.1.140.0000.00817.42
8.1.130.0000.00717.66
8.1.120.0000.00717.44
8.1.110.0040.00417.34
8.1.100.0070.00017.38
8.1.90.0000.00817.24
8.1.80.0000.00817.25
8.1.70.0000.00717.40
8.1.60.0030.00617.52
8.1.50.0040.00417.50
8.1.40.0000.00717.44
8.1.30.0000.00817.46
8.1.20.0070.00017.53
8.1.10.0000.00717.57
8.1.00.0030.00617.54
8.0.300.0040.00420.16
8.0.290.0030.00716.75
8.0.280.0030.00318.29
8.0.270.0030.00317.18
8.0.260.0030.00317.06
8.0.250.0050.00216.95
8.0.240.0000.00916.95
8.0.230.0070.00016.91
8.0.220.0000.00716.78
8.0.210.0050.00216.77
8.0.200.0030.00316.87
8.0.190.0040.00416.91
8.0.180.0020.00516.83
8.0.170.0080.00016.80
8.0.160.0030.00316.86
8.0.150.0000.00816.84
8.0.140.0070.00016.80
8.0.130.0000.00613.32
8.0.120.0000.00816.80
8.0.110.0000.00816.79
8.0.100.0000.00816.86
8.0.90.0040.00416.84
8.0.80.0140.00716.88
8.0.70.0070.00016.88
8.0.60.0080.00016.76
8.0.50.0000.00716.87
8.0.30.0120.00517.12
8.0.20.0110.00817.40
8.0.10.0000.00716.82
8.0.00.0090.00916.86
7.4.330.0000.00515.20
7.4.320.0070.00016.64
7.4.300.0000.00616.57
7.4.290.0030.00316.44
7.4.280.0000.00816.58
7.4.270.0000.00716.54
7.4.260.0000.01016.58
7.4.250.0030.00316.47
7.4.240.0030.00416.59
7.4.230.0030.00516.56
7.4.220.0150.00916.39
7.4.210.0070.00716.70
7.4.200.0000.00716.46
7.4.160.0100.01016.38
7.4.150.0170.00717.40
7.4.140.0110.00617.86
7.4.130.0110.00916.53
7.4.120.0080.00916.49
7.4.110.0090.00916.41
7.4.100.0030.02116.67
7.4.90.0130.00316.61
7.4.80.0090.00919.39
7.4.70.0140.00316.51
7.4.60.0100.01016.59
7.4.50.0040.00016.52
7.4.40.0120.01216.53
7.4.30.0030.01616.54
7.4.00.0090.00614.72
7.3.330.0030.00313.11
7.3.320.0000.00613.23
7.3.310.0100.00016.32
7.3.300.0030.00316.34
7.3.290.0050.01116.35
7.3.280.0100.00616.29
7.3.270.0090.00917.40
7.3.260.0040.01216.41
7.3.250.0080.00916.42
7.3.240.0090.00916.23
7.3.230.0030.01316.53
7.3.210.0000.01816.25
7.3.200.0150.00316.30
7.3.190.0070.01016.38
7.3.180.0060.01016.48
7.3.170.0090.00616.53
7.3.160.0100.01316.45
7.3.10.0050.00516.58
7.3.00.0080.00416.50
7.2.330.0130.00316.75
7.2.320.0120.00616.50
7.2.310.0070.01316.88
7.2.300.0130.00616.85
7.2.290.0070.01616.83
7.2.130.0060.00616.99
7.2.120.0070.00716.91
7.2.110.0120.00016.92
7.2.100.0060.00616.81
7.2.90.0040.00717.18
7.2.80.0110.00416.98
7.2.70.0070.00716.68
7.2.60.0060.01017.06
7.2.50.0060.00616.96
7.2.40.0100.00717.00
7.2.30.0100.00016.96
7.2.20.0090.00316.92
7.2.10.0060.00916.96
7.2.00.0050.00718.02
7.1.250.0080.00415.75
7.1.200.0030.01015.54
7.1.100.0080.01217.91
7.1.70.0040.00417.16
7.1.60.0160.00419.12
7.1.50.0110.01116.93
7.1.00.0070.07322.58
7.0.200.0030.01016.29
7.0.60.0300.06720.00
7.0.50.0070.08017.79
7.0.40.0070.08720.30
7.0.30.0170.04320.18
7.0.20.0300.05020.16
7.0.10.0030.04720.09
7.0.00.0130.06320.16
5.6.280.0030.03721.06
5.6.210.0200.07020.76
5.6.200.0030.04018.22
5.6.190.0030.05320.43
5.6.180.0470.07320.63
5.6.170.0330.07020.46
5.6.160.0100.08318.16
5.6.150.0070.06718.21
5.6.140.0070.03318.16
5.6.130.0070.06318.11
5.6.120.0100.08320.98
5.6.110.0100.07021.13
5.6.100.0130.05320.96
5.6.90.0070.09321.10
5.6.80.0070.07720.40
5.5.350.0170.08020.34
5.5.340.0030.08017.88
5.5.330.0070.05320.19
5.5.320.0500.07020.32
5.5.310.0230.04720.30
5.5.300.0100.06317.98
5.5.290.0070.08317.88
5.5.280.0100.08020.77
5.5.270.0170.06720.86
5.5.260.0100.08020.64
5.5.250.0130.07720.70
5.5.240.4230.04020.18
5.4.450.0800.05719.58
5.4.440.0530.05719.48
5.4.430.0430.06319.60
5.4.420.0500.05019.25
5.4.410.0470.05719.47
5.4.400.0630.06019.31
5.4.390.0570.06319.19
5.4.380.0700.05718.75
5.4.370.0630.04319.22
5.4.360.0670.06719.12
5.4.350.0630.07319.31
5.4.340.0530.05719.16
5.4.320.0430.06019.19
5.4.310.0630.05019.15
5.4.300.0370.06019.23
5.4.290.0500.05018.77
5.4.280.0500.04718.88
5.4.270.0470.06018.93
5.4.260.0570.05018.75
5.4.250.0500.04719.06
5.4.240.0470.05019.25
5.4.230.0400.05719.22
5.4.220.0430.05318.76
5.4.210.0500.04319.09
5.4.200.0400.05016.89
5.4.190.0370.05719.09
5.4.180.0500.04719.06
5.4.170.0500.06319.06
5.4.160.0500.04719.27
5.4.150.0530.04718.91
5.4.140.0400.06016.50
5.4.130.0670.03316.34
5.4.120.0500.06016.28
5.4.110.0600.04316.34
5.4.100.0570.04316.50
5.4.90.0530.05016.34
5.4.80.0700.05716.36
5.4.70.0470.06316.29
5.4.60.0530.05716.29
5.4.50.0500.05016.20
5.4.40.0600.06316.36
5.4.30.0470.06016.41
5.4.20.0600.04716.40
5.4.10.0600.04016.28
5.4.00.0530.04715.84
5.3.290.0570.05014.52
5.3.280.0430.06014.47
5.3.270.0370.06014.70
5.3.260.0470.05714.44
5.3.250.0570.05014.44
5.3.240.0400.05314.54
5.3.230.0500.04714.47
5.3.220.0500.04314.56
5.3.210.0600.06314.52
5.3.200.0530.05014.41
5.3.190.0570.05014.51
5.3.180.0530.05014.40
5.3.170.0530.05014.39
5.3.160.0570.05014.57
5.3.150.0600.05014.49
5.3.140.0400.05714.34
5.3.130.0670.05714.42
5.3.120.0500.05314.64
5.3.110.0630.05014.38
5.3.100.0570.06013.89
5.3.90.0500.07013.96
5.3.80.0430.05013.89
5.3.70.0400.05314.00
5.3.60.0370.05713.77
5.3.50.0400.05713.89
5.3.40.0370.05713.78
5.3.30.0570.04713.91
5.3.20.0630.05313.48
5.3.10.0530.03713.43
5.3.00.0370.05313.57
5.2.170.0330.04311.02
5.2.160.0370.04010.98
5.2.150.0430.04010.99
5.2.140.0400.04311.03
5.2.130.0400.03711.04
5.2.120.0330.04010.94
5.2.110.0330.04010.89
5.2.100.0430.05010.91
5.2.90.0370.04010.95
5.2.80.0400.04311.25
5.2.70.0400.04710.89
5.2.60.0470.03710.88
5.2.50.0430.04710.80
5.2.40.0370.04010.83
5.2.30.0430.03311.05
5.2.20.0370.04011.11
5.2.10.0430.03010.76
5.2.00.0270.04310.62
5.1.60.0370.0309.92
5.1.50.0400.0379.83
5.1.40.0330.03710.20
5.1.30.0430.03010.38
5.1.20.0370.03710.25
5.1.10.0370.04010.11
5.1.00.0330.04010.14
5.0.50.0170.0338.55
5.0.40.0200.0278.38
5.0.30.0230.0408.37
5.0.20.0230.0278.13
5.0.10.0170.0308.09
5.0.00.0200.0408.08
4.4.90.0170.0236.24
4.4.80.0200.0206.24
4.4.70.0230.0176.24
4.4.60.0170.0236.24
4.4.50.0130.0276.24
4.4.40.0130.0406.24
4.4.30.0170.0236.24
4.4.20.0200.0206.24
4.4.10.0170.0236.24
4.4.00.0200.0306.24
4.3.110.0170.0236.24
4.3.100.0230.0206.24
4.3.90.0200.0306.24
4.3.80.0200.0406.24
4.3.70.0100.0306.24
4.3.60.0200.0176.24
4.3.50.0200.0236.24
4.3.40.0200.0306.24
4.3.30.0100.0236.24
4.3.20.0130.0176.24
4.3.10.0100.0236.24
4.3.00.0130.0207.08

preferences:
52.26 ms | 401 KiB | 5 Q