3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = []; $x['x'] = 1; var_dump(gettype(key($x)));

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)
8.3.60.0110.00316.38
8.3.50.0090.01118.25
8.3.40.0040.01118.89
8.3.30.0080.00618.71
8.3.20.0030.00518.85
8.3.10.0030.00620.44
8.3.00.0030.00619.13
8.2.180.0090.00616.63
8.2.170.0170.00022.96
8.2.160.0040.01118.96
8.2.150.0050.00324.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0050.00318.76
8.2.110.0090.00022.07
8.2.100.0110.00017.91
8.2.90.0040.00417.63
8.2.80.0030.00617.97
8.2.70.0120.00018.04
8.2.60.0030.00618.04
8.2.50.0000.00818.10
8.2.40.0030.00720.56
8.2.30.0030.00618.10
8.2.20.0040.00417.67
8.2.10.0040.00417.61
8.2.00.0040.00417.80
8.1.280.0070.01425.92
8.1.270.0040.00423.99
8.1.260.0000.00826.35
8.1.250.0080.00028.09
8.1.240.0090.00322.14
8.1.230.0100.00319.09
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0060.00317.35
8.1.190.0050.00317.13
8.1.180.0060.00318.10
8.1.170.0080.00018.65
8.1.160.0070.00018.79
8.1.150.0000.00718.55
8.1.140.0040.00417.43
8.1.130.0030.00317.86
8.1.120.0000.00717.36
8.1.110.0030.00517.44
8.1.100.0000.00717.35
8.1.90.0000.00817.45
8.1.80.0050.00217.49
8.1.70.0000.00717.43
8.1.60.0030.00517.57
8.1.50.0000.00817.50
8.1.40.0040.00417.50
8.1.30.0030.00617.65
8.1.20.0040.00417.65
8.1.10.0000.00717.50
8.1.00.0000.00717.32
8.0.300.0000.01119.60
8.0.290.0000.00916.58
8.0.280.0040.00418.29
8.0.270.0000.00817.17
8.0.260.0080.00016.63
8.0.250.0070.00016.79
8.0.240.0030.00516.91
8.0.230.0000.00716.93
8.0.220.0070.00016.79
8.0.210.0070.00016.87
8.0.200.0060.00016.85
8.0.190.0000.00716.93
8.0.180.0030.00516.86
8.0.170.0090.00016.65
8.0.160.0080.00016.87
8.0.150.0000.00816.87
8.0.140.0030.00516.87
8.0.130.0060.00013.42
8.0.120.0000.00716.81
8.0.110.0030.00516.87
8.0.100.0040.00416.91
8.0.90.0000.00716.71
8.0.80.0080.00816.85
8.0.70.0040.00416.88
8.0.60.0000.00816.85
8.0.50.0030.00516.69
8.0.30.0070.01116.83
8.0.20.0130.00617.02
8.0.10.0040.00416.90
8.0.00.0120.00716.52
7.4.330.0000.00512.97
7.4.320.0040.00416.50
7.4.300.0000.00616.55
7.4.290.0030.00316.68
7.4.280.0060.00316.52
7.4.270.0000.00716.53
7.4.260.0000.00513.22
7.4.250.0040.00416.38
7.4.240.0000.00716.60
7.4.230.0000.00716.62
7.4.220.0160.00316.41
7.4.210.0170.00316.46
7.4.200.0000.00716.57
7.4.190.0050.00316.49
7.4.160.0060.01016.50
7.4.150.0110.00616.43
7.4.140.0130.00616.59
7.4.130.0140.00316.54
7.4.120.0050.01216.43
7.4.110.0090.00916.41
7.4.100.0100.00716.54
7.4.90.0140.00316.47
7.4.80.0160.00316.43
7.4.70.0070.01016.51
7.4.60.0060.01016.50
7.4.50.0000.00816.16
7.4.40.0100.00616.14
7.4.30.0100.00616.36
7.4.00.0070.00714.80
7.3.330.0000.00613.11
7.3.320.0060.00013.03
7.3.310.0030.00316.34
7.3.300.0000.00616.25
7.3.290.0090.00516.29
7.3.280.0130.00516.25
7.3.270.0120.00616.59
7.3.260.0110.00616.47
7.3.250.0120.00816.35
7.3.240.0030.01316.27
7.3.230.0070.01416.37
7.3.210.0070.01216.21
7.3.200.0060.01019.39
7.3.190.0120.00616.31
7.3.180.0080.00816.23
7.3.170.0130.00316.19
7.3.160.0130.00316.36
7.3.120.0060.01014.91
7.3.110.0110.00714.77
7.3.100.0140.00315.05
7.3.90.0090.00314.62
7.3.80.0080.00314.59
7.3.70.0100.00314.67
7.3.60.0030.01014.64
7.3.50.0060.00814.63
7.3.40.0000.00914.76
7.3.30.0030.01214.76
7.3.20.0110.00716.73
7.3.10.0020.01516.64
7.3.00.0070.00816.48
7.2.330.0060.01016.23
7.2.320.0160.00816.62
7.2.310.0120.00616.67
7.2.300.0150.00616.51
7.2.290.0080.00816.26
7.2.250.0110.00415.24
7.2.240.0070.01015.14
7.2.230.0030.01014.82
7.2.220.0120.00314.92
7.2.210.0120.00314.86
7.2.200.0090.00614.73
7.2.190.0000.00915.05
7.2.180.0040.00814.93
7.2.170.0090.00614.79
7.2.130.0060.00616.77
7.2.120.0070.00716.49
7.2.110.0110.00316.81
7.2.100.0070.00416.79
7.2.90.0140.00316.93
7.2.80.0030.00716.58
7.2.70.0040.00716.61
7.2.60.0060.00616.73
7.2.50.0000.01116.55
7.2.40.0000.00916.95
7.2.30.0030.00916.83
7.2.20.0030.00616.84
7.2.10.0100.00316.82
7.2.00.0050.00917.95
7.1.330.0030.01015.46
7.1.320.0030.01015.89
7.1.310.0030.01015.82
7.1.300.0070.00715.67
7.1.290.0050.00315.89
7.1.280.0000.01615.68
7.1.270.0040.00715.75
7.1.260.0100.00715.82
7.1.250.0030.01015.50
7.1.100.0080.00317.68
7.1.70.0040.00717.12
7.1.60.0070.01619.31
7.1.50.0070.01016.70
7.1.00.0070.07322.32
7.0.200.0310.00714.50
7.0.140.0000.07321.95
7.0.120.0070.06722.08
7.0.60.0100.02721.71
7.0.50.0100.08317.77
7.0.40.0170.07720.04
7.0.30.0300.08320.17
7.0.20.0400.07020.24
7.0.10.0300.05020.16
7.0.00.0000.05020.30
5.6.280.0000.07321.09
5.6.210.0070.08320.62
5.6.200.0030.05018.15
5.6.190.0100.04720.61
5.6.180.0030.08320.62
5.6.170.0430.06720.62
5.6.160.0100.07020.38
5.6.150.0170.07018.20
5.6.140.0070.08018.12
5.6.130.0170.06318.12
5.6.120.0030.04321.00
5.6.110.0100.06721.04
5.6.100.0100.08021.10
5.6.90.0170.08721.07
5.6.80.0030.05320.50
5.5.350.0070.07020.32
5.5.340.0070.08017.91
5.5.330.0030.04720.25
5.5.320.0070.08020.15
5.5.310.0300.06320.23
5.5.300.0000.04017.98
5.5.290.0070.07017.89
5.5.280.0030.04020.86
5.5.270.0070.08320.75
5.5.260.0130.07720.81
5.5.250.0030.05020.68
5.5.240.3800.04020.25
5.4.450.0070.03719.45
5.4.440.0030.07019.48
5.4.430.0100.04019.24
5.4.420.0030.04019.41
5.4.410.0100.06719.28
5.4.400.0070.06018.93
5.4.390.0070.07719.17
5.4.380.0100.05018.91
5.4.370.0100.06719.14
5.4.360.0170.05319.18
5.4.350.0000.05318.89
5.4.340.0070.04018.79
5.4.320.0170.03719.11
5.4.310.0100.07318.79
5.4.300.0070.04719.18
5.4.290.0070.07018.80
5.4.280.0030.05319.09
5.4.270.0070.03319.08
5.4.260.0200.06019.00
5.4.250.0130.07019.16
5.4.240.0130.06019.18
5.4.230.0100.08018.78
5.4.220.0100.07019.17
5.4.210.0030.04018.91
5.4.200.0070.03719.18
5.4.190.0030.08019.17
5.4.180.0070.06719.06
5.4.170.0070.03719.11
5.4.160.0100.06019.05
5.4.150.0030.04019.09
5.4.140.0000.04316.43
5.4.130.0030.06716.25
5.4.120.0100.04316.30
5.4.110.0030.03716.49
5.4.100.0030.03716.30
5.4.90.0030.04316.37
5.4.80.0030.06016.26
5.4.70.0000.04016.38
5.4.60.0030.03316.34
5.4.50.0000.04316.34
5.4.40.0030.03316.21
5.4.30.0030.03316.33
5.4.20.0030.03316.32
5.4.10.0070.03016.20
5.4.00.0030.03315.80
5.3.290.0030.07314.75
5.3.280.0000.04314.52
5.3.270.0070.04014.53
5.3.260.0000.04714.55
5.3.250.0070.03714.53
5.3.240.0100.06014.63
5.3.230.0070.03714.61
5.3.220.0030.05714.49
5.3.210.0030.04714.58
5.3.200.0000.04014.36
5.3.190.0070.03714.49
5.3.180.0100.03014.49
5.3.170.0030.03714.48
5.3.160.0070.04014.52
5.3.150.0030.04014.53
5.3.140.0070.03314.44
5.3.130.0000.04014.47
5.3.120.0030.03714.50
5.3.110.0230.03314.47
5.3.100.0070.03313.98
5.3.90.0000.03713.90
5.3.80.0000.03713.94
5.3.70.0000.03713.83
5.3.60.0000.03713.92
5.3.50.0000.04013.89
5.3.40.0070.03713.87
5.3.30.0030.03313.85
5.3.20.0100.03013.65
5.3.10.0030.04013.47
5.3.00.0000.03713.45
5.2.170.0000.03011.03
5.2.160.0000.03010.97
5.2.150.0000.03011.13
5.2.140.0030.03011.13
5.2.130.0030.03010.98
5.2.120.0030.02711.00
5.2.110.0030.02710.99
5.2.100.0000.03011.00
5.2.90.0030.02711.09
5.2.80.0030.02711.03
5.2.70.0030.02711.18
5.2.60.0000.03010.89
5.2.50.0100.02710.95
5.2.40.0000.03011.00
5.2.30.0070.02311.05
5.2.20.0000.03310.94
5.2.10.0030.02710.91
5.2.00.0070.02310.79
5.1.60.0000.02310.04
5.1.50.0030.0239.99
5.1.40.0000.0309.97
5.1.30.0030.02310.49
5.1.20.0000.02710.39
5.1.10.0030.0239.91
5.1.00.0000.02710.04
5.0.50.0000.0278.62
5.0.40.0030.0278.48
5.0.30.0000.0508.06
5.0.20.0070.0238.16
5.0.10.0030.0208.13
5.0.00.0030.0608.20
4.4.90.0030.0137.80
4.4.80.0030.0107.80
4.4.70.0000.0177.80
4.4.60.0030.0177.80
4.4.50.0000.0137.80
4.4.40.0000.0237.80
4.4.30.0030.0137.80
4.4.20.0000.0207.80
4.4.10.0000.0177.80
4.4.00.0000.0607.80
4.3.110.0000.0177.80
4.3.100.0000.0337.80
4.3.90.0000.0277.80
4.3.80.0000.0377.80
4.3.70.0070.0107.80
4.3.60.0070.0177.80
4.3.50.0000.0177.80
4.3.40.0030.0507.80
4.3.30.0000.0177.80
4.3.20.0000.0177.80
4.3.10.0000.0277.80
4.3.00.0000.0337.80

preferences:
46.94 ms | 400 KiB | 5 Q