3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = []; $x[5] = 1; $x['5'] = 2; var_dump(gettype(key($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)
8.3.60.0040.01118.55
8.3.50.0150.00321.27
8.3.40.0090.00618.84
8.3.30.0070.01020.04
8.3.20.0040.00418.51
8.3.10.0080.00020.97
8.3.00.0070.00023.65
8.2.180.0150.00016.38
8.2.170.0100.00722.96
8.2.160.0100.00320.35
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0090.00026.16
8.2.120.0080.00019.95
8.2.110.0090.00022.08
8.2.100.0060.00617.84
8.2.90.0090.00017.88
8.2.80.0000.00817.97
8.2.70.0000.00818.04
8.2.60.0040.00417.80
8.2.50.0080.00018.10
8.2.40.0030.00622.40
8.2.30.0040.00419.40
8.2.20.0000.00717.61
8.2.10.0000.00817.75
8.2.00.0030.00617.60
8.1.280.0060.01025.92
8.1.270.0090.00023.99
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00020.89
8.1.230.0080.00422.16
8.1.220.0090.00017.78
8.1.210.0040.00418.77
8.1.200.0000.00817.23
8.1.190.0080.00017.47
8.1.180.0040.00418.10
8.1.170.0040.00418.65
8.1.160.0060.00318.93
8.1.150.0000.00718.64
8.1.140.0040.00417.48
8.1.130.0000.00717.85
8.1.120.0030.00517.44
8.1.110.0040.00317.45
8.1.100.0000.00717.48
8.1.90.0040.00417.48
8.1.80.0070.00017.32
8.1.70.0030.00317.36
8.1.60.0060.00317.48
8.1.50.0040.00417.37
8.1.40.0000.00817.47
8.1.30.0030.00617.61
8.1.20.0040.00417.53
8.1.10.0040.00417.40
8.1.00.0050.00317.36
8.0.300.0030.00519.91
8.0.290.0040.00416.63
8.0.280.0030.00318.42
8.0.270.0000.00717.18
8.0.260.0030.00316.75
8.0.250.0040.00416.88
8.0.240.0050.00316.77
8.0.230.0000.00716.78
8.0.220.0070.00016.80
8.0.210.0030.00616.83
8.0.200.0000.00616.91
8.0.190.0040.00416.90
8.0.180.0000.00916.86
8.0.170.0040.00416.68
8.0.160.0000.00816.89
8.0.150.0050.00316.81
8.0.140.0030.00516.75
8.0.130.0000.00613.34
8.0.120.0040.00416.89
8.0.110.0030.00316.90
8.0.100.0000.00716.87
8.0.90.0070.00016.71
8.0.80.0100.01016.93
8.0.70.0070.00016.88
8.0.60.0040.00416.86
8.0.50.0040.00416.72
8.0.30.0120.00616.95
8.0.20.0140.00617.40
8.0.10.0040.00416.91
8.0.00.0130.00816.74
7.4.330.0000.00416.76
7.4.320.0030.00316.50
7.4.300.0000.00616.48
7.4.290.0030.00316.59
7.4.280.0030.00316.48
7.4.270.0030.00316.48
7.4.260.0050.00013.31
7.4.250.0070.00016.50
7.4.240.0040.00416.57
7.4.230.0070.00016.41
7.4.220.0180.00916.60
7.4.210.0080.00816.55
7.4.200.0070.00016.38
7.4.190.0030.00416.48
7.4.160.0100.00616.59
7.4.150.0090.01017.40
7.4.140.0120.00817.86
7.4.130.0060.01116.50
7.4.120.0110.00916.48
7.4.110.0100.00716.44
7.4.100.0100.00716.53
7.4.90.0150.00916.47
7.4.80.0110.00719.39
7.4.70.0080.00816.45
7.4.60.0150.00316.56
7.4.50.0030.00516.34
7.4.40.0100.00722.77
7.4.30.0090.00916.50
7.4.00.0110.00414.67
7.3.330.0020.00213.09
7.3.320.0000.00613.05
7.3.310.0040.00416.26
7.3.300.0040.00416.30
7.3.290.0120.00516.22
7.3.280.0040.01416.25
7.3.270.0120.00617.40
7.3.260.0120.00718.24
7.3.250.0070.01216.22
7.3.240.0150.00916.55
7.3.230.0070.01116.39
7.3.210.0090.00916.59
7.3.200.0100.01219.39
7.3.190.0070.01516.37
7.3.180.0040.01116.26
7.3.170.0060.01016.48
7.3.160.0060.00916.29
7.3.120.0030.01315.03
7.3.10.0030.01016.58
7.3.00.0070.00716.76
7.2.330.0150.00416.27
7.2.320.0110.01116.61
7.2.310.0240.01016.65
7.2.300.0120.00416.64
7.2.290.0110.00516.34
7.2.130.0050.01116.74
7.2.120.0070.00816.76
7.2.110.0030.01116.83
7.2.100.0070.00716.71
7.2.90.0070.01016.89
7.2.80.0050.00816.83
7.2.70.0050.00516.72
7.2.60.0070.00716.72
7.2.50.0100.00516.92
7.2.40.0050.00916.83
7.2.30.0050.00916.70
7.2.20.0050.01016.80
7.2.10.0040.01016.75
7.2.00.0080.00917.55
7.1.250.0030.00615.72
7.1.100.0120.00017.77
7.1.70.0040.00817.15
7.1.60.0040.02119.17
7.1.50.0060.01516.98
7.1.00.0000.06722.47
7.0.200.0030.00616.79
7.0.140.0100.06722.21
7.0.80.0070.06019.90
7.0.70.0130.05320.01
7.0.60.0130.08020.05
7.0.50.0100.08020.35
7.0.40.0030.08320.15
7.0.30.0000.08020.07
7.0.20.0100.07320.15
7.0.10.0100.08020.03
7.0.00.0070.05719.99
5.6.280.0070.07021.11
5.6.230.0100.07720.60
5.6.220.0130.07720.73
5.6.210.0070.05720.65
5.6.200.0030.06021.13
5.6.190.0000.07021.10
5.6.180.0070.08321.00
5.6.170.0030.08721.13
5.6.160.0100.07321.05
5.6.150.0030.05021.07
5.6.140.0100.05321.07
5.6.130.0130.08021.13
5.6.120.0070.08721.05
5.6.110.0030.07720.99
5.6.100.0200.06720.93
5.6.90.0030.06020.97
5.6.80.0130.07720.43
5.6.70.0070.08320.39
5.6.60.0030.09020.44
5.6.50.0000.07720.45
5.6.40.0170.07320.37
5.6.30.0030.06020.48
5.6.20.0030.04020.38
5.6.10.0030.04720.36
5.6.00.0130.07020.44
5.5.370.0070.07020.41
5.5.360.0070.08720.34
5.5.350.0100.07320.41
5.5.340.0070.08020.77
5.5.330.0100.07720.62
5.5.320.0100.08320.64
5.5.310.0100.07720.78
5.5.300.0100.07720.75
5.5.290.0070.08020.91
5.5.280.0030.06020.81
5.5.270.0100.05020.81
5.5.260.0000.04720.88
5.5.250.0070.08020.71
5.5.240.0170.07320.21
5.5.230.0070.04320.01
5.5.220.0030.08020.23
5.5.210.0070.08020.25
5.5.200.0170.06720.14
5.5.190.0030.08320.20
5.5.180.0070.08320.17
5.5.160.0230.06320.14
5.5.150.0070.08720.26
5.5.140.0000.08320.26
5.5.130.0070.05720.23
5.5.120.0100.07020.25
5.5.110.0070.07720.21
5.5.100.0070.07720.17
5.5.90.0030.06020.11
5.5.80.0100.07320.06
5.5.70.0070.07720.05
5.5.60.0130.06319.92
5.5.50.0030.05720.09
5.5.40.0070.04020.08
5.5.30.0030.04320.04
5.5.20.0030.06320.07
5.5.10.0070.03720.03
5.5.00.0000.04320.10
5.4.450.0100.07719.35
5.4.440.0070.03719.29
5.4.430.0100.06319.11
5.4.420.0000.05019.39
5.4.410.0130.07319.34
5.4.400.0130.03719.06
5.4.390.0100.04018.80
5.4.380.0030.08018.78
5.4.370.0070.05719.01
5.4.360.0130.05719.07
5.4.350.0070.07719.07
5.4.340.0030.07018.78
5.4.320.0170.07019.14
5.4.310.0030.08019.23
5.4.300.0070.05018.81
5.4.290.0030.08019.14
5.4.280.0070.08018.82
5.4.270.0100.07019.04
5.4.260.0130.06019.04
5.4.250.0070.08018.77
5.4.240.0070.04719.09
5.4.230.0070.06318.94
5.4.220.0030.04719.03
5.4.210.0070.07319.02
5.4.200.0070.05019.02
5.4.190.0030.04018.93
5.4.180.0000.06318.77
5.4.170.0030.04019.05
5.4.160.0070.04318.95
5.4.150.0070.04318.76
5.4.140.0130.02716.29
5.4.130.0030.04316.12
5.4.120.0070.03316.32
5.4.110.0030.03316.45
5.4.100.0070.03016.45
5.4.90.0000.04016.22
5.4.80.0000.03316.40
5.4.70.0100.07016.29
5.4.60.0070.06016.23
5.4.50.0130.04316.41
5.4.40.0100.02716.41
5.4.30.0000.03316.41
5.4.20.0030.03316.18
5.4.10.0070.06316.30
5.4.00.0070.03015.73
5.3.290.0100.06314.63
5.3.280.0070.07714.58
5.3.270.0100.06014.43
5.3.260.0000.04714.60
5.3.250.0130.03314.46
5.3.240.0070.05014.43
5.3.230.0030.03714.42
5.3.220.0000.04014.56
5.3.210.0070.03714.52
5.3.200.0100.03014.43
5.3.190.0030.03714.53
5.3.180.0030.05014.40
5.3.170.0100.02714.55
5.3.160.0030.03714.56
5.3.150.0070.03314.56
5.3.140.0100.03714.52
5.3.130.0070.04714.41
5.3.120.0030.04714.55
5.3.110.0000.04014.41
5.3.100.0100.05714.03
5.3.90.0000.04014.01
5.3.80.0000.04313.99
5.3.70.0030.04714.02
5.3.60.0030.04013.99
5.3.50.0030.03713.80
5.3.40.0000.05713.93
5.3.30.0070.05713.77
5.3.20.0000.03713.68
5.3.10.0070.02713.43
5.3.00.0030.03313.63
5.2.170.0000.02711.63
5.2.160.0000.03311.63
5.2.150.0070.05311.63
5.2.140.0000.03011.63
5.2.130.0070.02711.63
5.2.120.0000.03311.63
5.2.110.0030.03011.63
5.2.100.0070.02311.63
5.2.90.0000.03311.63
5.2.80.0030.02711.63
5.2.70.0000.02711.63
5.2.60.0030.03011.63
5.2.50.0030.05011.63
5.2.40.0070.03711.63
5.2.30.0030.04711.63
5.2.20.0100.04711.63
5.2.10.0030.03311.63
5.2.00.0000.06011.63
5.1.60.0070.02311.63
5.1.50.0100.01711.63
5.1.40.0000.02711.63
5.1.30.0000.02711.63
5.1.20.0000.06011.63
5.1.10.0070.04711.63
5.1.00.0000.03011.63
5.0.50.0000.02711.63
5.0.40.0000.02011.63
5.0.30.0000.06011.63
5.0.20.0070.01711.63
5.0.10.0030.01711.63
5.0.00.0000.03011.63
4.4.90.0030.02011.63
4.4.80.0000.03711.63
4.4.70.0000.01711.63
4.4.60.0000.01311.63
4.4.50.0000.01311.63
4.4.40.0000.02711.63
4.4.30.0000.01711.63
4.4.20.0030.01711.63
4.4.10.0030.03011.63
4.4.00.0000.02311.63
4.3.110.0030.01311.63
4.3.100.0000.01711.63
4.3.90.0030.01311.63
4.3.80.0070.04711.63
4.3.70.0000.01711.63
4.3.60.0000.01711.63
4.3.50.0000.01711.63
4.3.40.0000.02711.63
4.3.30.0000.03011.63
4.3.20.0030.01711.63
4.3.10.0000.03011.63
4.3.00.0000.03311.63

preferences:
36.43 ms | 401 KiB | 5 Q