3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = ['notice' => 'hey', 'success' => 'yeah']; echo key($arr);

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)
8.3.60.0070.00716.36
8.3.50.0140.00821.98
8.3.40.0090.00618.47
8.3.30.0070.00718.63
8.3.20.0080.00020.02
8.3.10.0040.00423.54
8.3.00.0050.00319.55
8.2.180.0110.00718.16
8.2.170.0090.00622.96
8.2.160.0100.00319.50
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0030.00617.50
8.2.110.0040.00422.24
8.2.100.0030.00917.75
8.2.90.0000.00719.18
8.2.80.0000.00817.97
8.2.70.0060.00317.50
8.2.60.0060.00317.79
8.2.50.0000.00918.07
8.2.40.0040.00420.81
8.2.30.0070.00020.48
8.2.20.0000.00717.73
8.2.10.0040.00417.98
8.2.00.0070.00017.94
8.1.280.0070.00725.92
8.1.270.0170.00323.96
8.1.260.0050.00326.35
8.1.250.0060.00328.09
8.1.240.0090.00022.45
8.1.230.0090.00317.42
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0060.00317.23
8.1.190.0060.00317.23
8.1.180.0030.00618.10
8.1.170.0050.00318.45
8.1.160.0000.00721.86
8.1.150.0040.00318.81
8.1.140.0080.00019.08
8.1.130.0030.00317.54
8.1.120.0000.00717.39
8.1.110.0040.00417.27
8.1.100.0030.00517.37
8.1.90.0030.00417.36
8.1.80.0040.00417.27
8.1.70.0000.00717.30
8.1.60.0040.00417.39
8.1.50.0040.00417.43
8.1.40.0050.00317.39
8.1.30.0000.00917.57
8.1.20.0020.00517.51
8.1.10.0050.00217.52
8.1.00.0000.00717.41
8.0.300.0060.00318.77
8.0.290.0030.00616.75
8.0.280.0000.00818.34
8.0.270.0030.00317.15
8.0.260.0030.00317.24
8.0.250.0050.00316.88
8.0.240.0040.00416.98
8.0.230.0080.00016.84
8.0.220.0030.00316.79
8.0.210.0000.00716.79
8.0.200.0000.00816.82
8.0.190.0000.00816.86
8.0.180.0000.00816.89
8.0.170.0050.00216.86
8.0.160.0040.00416.74
8.0.150.0030.00316.86
8.0.140.0050.00216.67
8.0.130.0070.00013.28
8.0.120.0050.00316.81
8.0.110.0070.00016.82
8.0.100.0050.00216.77
8.0.90.0040.00416.83
8.0.80.0100.01016.73
8.0.70.0040.00416.64
8.0.60.0070.00016.71
8.0.50.0000.00716.91
8.0.30.0100.01017.05
8.0.20.0120.00717.40
8.0.10.0040.00416.98
8.0.00.0130.00616.71
7.4.330.0000.00515.09
7.4.320.0000.00616.53
7.4.300.0000.00616.48
7.4.290.0030.00516.16
7.4.280.0050.00216.33
7.4.270.0040.00416.50
7.4.260.0000.00716.47
7.4.250.0040.00416.49
7.4.240.0040.00416.50
7.4.230.0000.00616.30
7.4.220.0050.01416.59
7.4.210.0140.00716.36
7.4.200.0070.00016.52
7.4.160.0100.00716.60
7.4.150.0200.00317.40
7.4.140.0140.00817.86
7.4.130.0070.01016.41
7.4.120.0080.00916.45
7.4.110.0030.01916.57
7.4.100.0120.00916.38
7.4.90.0100.00616.36
7.4.80.0090.00919.39
7.4.70.0060.00916.43
7.4.60.0100.00616.49
7.4.50.0090.00016.22
7.4.40.0110.00616.25
7.4.30.0040.01816.53
7.4.00.0030.00914.77
7.3.330.0000.00512.97
7.3.320.0030.00313.04
7.3.310.0050.00316.12
7.3.300.0030.00315.98
7.3.290.0070.00916.11
7.3.280.0070.01116.15
7.3.270.0090.00917.40
7.3.260.0090.00916.43
7.3.240.0150.00616.05
7.3.230.0060.01116.39
7.3.210.0100.00616.37
7.3.200.0080.00816.37
7.3.190.0110.00916.34
7.3.180.0080.00816.11
7.3.170.0030.01316.27
7.3.160.0110.01016.20
7.2.330.0130.00616.30
7.2.320.0130.01016.57
7.2.310.0030.01316.65
7.2.300.0090.00616.32
7.2.290.0130.00616.52
7.2.60.0030.00716.86
7.2.00.0100.00719.33
7.1.200.0000.01015.78
7.1.100.0030.00917.78
7.1.70.0060.00317.13
7.1.60.0070.00316.79
7.1.50.0130.00716.86
7.1.00.0070.07322.30
7.0.200.0040.01216.75
7.0.60.0070.04020.01
7.0.50.0000.04317.85
7.0.40.0070.07319.90
7.0.30.0370.07020.04
7.0.20.0200.05320.14
7.0.10.0100.04720.04
7.0.00.0070.04020.14
5.6.280.0000.04720.85
5.6.210.0030.08720.61
5.6.200.0100.07318.18
5.6.190.0070.07020.61
5.6.180.0270.07720.27
5.6.170.0330.07320.50
5.6.160.0030.06020.50
5.6.150.0030.05018.22
5.6.140.0070.08718.21
5.6.130.0030.04318.17
5.6.120.0070.03721.02
5.6.110.0130.08021.10
5.6.100.0130.04721.00
5.6.90.0100.05320.95
5.6.80.0130.08020.46
5.5.350.0030.08020.32
5.5.340.0030.07317.96
5.5.330.0030.06320.25
5.5.320.3730.04020.28
5.5.310.0230.05020.18
5.5.300.0100.08018.00
5.5.290.0170.07718.00
5.5.280.0130.08320.84
5.5.270.0100.08320.72
5.5.260.0030.08720.83
5.5.250.0070.06020.54
5.5.240.0070.08320.25
5.4.450.0330.06719.49
5.4.440.0300.07719.52
5.4.430.0100.06319.46
5.4.420.0130.06019.27
5.4.410.0230.05319.36
5.4.400.0200.05019.29
5.4.390.0230.05319.15
5.4.380.0270.04319.31
5.4.370.0200.05319.16
5.4.360.0130.05719.14
5.4.350.0170.05319.16
5.4.340.0100.06319.22
5.4.320.0170.05319.08
5.4.310.0170.05319.27
5.4.300.0070.06319.12
5.4.290.0300.05019.08
5.4.280.0270.05019.25
5.4.270.0170.05719.30
5.4.260.0200.06319.19
5.4.250.0270.06318.99
5.4.240.0230.05319.30
5.4.230.0200.05319.14
5.4.220.0170.05718.94
5.4.210.0300.04018.77
5.4.200.0200.05019.07
5.4.190.0170.05718.79
5.4.180.0230.05019.18
5.4.170.0330.06318.91
5.4.160.0370.06019.20
5.4.150.0300.04319.29
5.4.140.0130.05316.53
5.4.130.0200.05016.30
5.4.120.0170.05316.49
5.4.110.0130.05316.47
5.4.100.0230.05016.55
5.4.90.0270.04316.45
5.4.80.0230.06716.54
5.4.70.0270.06316.17
5.4.60.0030.07316.33
5.4.50.0100.04316.41
5.4.40.0200.04316.43
5.4.30.0270.07316.41
5.4.20.0000.03316.35

preferences:
33.12 ms | 401 KiB | 5 Q