3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test { function __construct(){echo 'a';} } // new ${!${''}='Test'}; new ${!${1}='Test'};

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)
8.3.60.0110.01116.63
8.3.50.0220.01121.28
8.3.40.0070.00718.80
8.3.30.0040.01118.66
8.3.20.0070.00020.22
8.3.10.0040.00423.53
8.3.00.0050.00317.91
8.2.180.0110.00718.16
8.2.170.0070.00722.96
8.2.160.0070.00720.43
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0050.00226.16
8.2.120.0030.00617.75
8.2.110.0060.00319.27
8.2.100.0030.00718.05
8.2.90.0040.00419.26
8.2.80.0040.00417.97
8.2.70.0050.00317.63
8.2.60.0000.01017.80
8.2.50.0040.00418.07
8.2.40.0030.00521.19
8.2.30.0000.01120.68
8.2.20.0040.00417.64
8.2.10.0040.00418.10
8.2.00.0070.00018.05
8.1.280.0110.01125.92
8.1.270.0000.00823.83
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00620.93
8.1.230.0040.00817.79
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0070.00317.35
8.1.190.0030.00617.36
8.1.180.0030.00618.10
8.1.170.0060.00318.56
8.1.160.0000.00821.88
8.1.150.0000.00718.89
8.1.140.0000.00819.70
8.1.130.0000.00717.61
8.1.120.0030.00617.45
8.1.110.0030.00717.50
8.1.100.0040.00417.41
8.1.90.0020.00517.44
8.1.80.0040.00417.40
8.1.70.0000.00717.52
8.1.60.0040.00417.60
8.1.50.0080.00017.55
8.1.40.0050.00217.41
8.1.30.0030.00517.55
8.1.20.0000.00817.60
8.1.10.0040.00417.50
8.1.00.0000.00717.39
8.0.300.0000.00718.77
8.0.290.0070.00016.75
8.0.280.0030.00518.54
8.0.270.0000.00717.25
8.0.260.0000.00617.26
8.0.250.0040.00417.02
8.0.240.0060.00016.91
8.0.230.0070.00016.90
8.0.220.0040.00416.86
8.0.210.0040.00417.00
8.0.200.0030.00316.96
8.0.190.0050.00317.03
8.0.180.0000.00816.86
8.0.170.0030.00516.82
8.0.160.0050.00216.97
8.0.150.0040.00416.91
8.0.140.0040.00416.84
8.0.130.0000.00613.41
8.0.120.0030.00516.88
8.0.110.0040.00416.96
8.0.100.0070.00016.72
8.0.90.0000.00716.97
8.0.80.0120.00316.91
8.0.70.0000.00716.73
8.0.60.0000.00716.90
8.0.50.0000.00717.01
8.0.30.0100.01017.04
8.0.20.0120.00817.40
8.0.10.0080.00017.01
8.0.00.0080.00916.83
7.4.330.0030.00315.08
7.4.320.0070.00016.53
7.4.300.0040.00416.52
7.4.290.0000.00716.51
7.4.280.0040.00416.57
7.4.270.0030.00316.40
7.4.260.0000.00716.55
7.4.250.0000.00716.45
7.4.240.0010.00616.57
7.4.230.0040.00416.68
7.4.220.0030.01616.60
7.4.210.0060.01316.54
7.4.200.0040.00416.43
7.4.160.0100.00716.40
7.4.150.0150.00417.40
7.4.140.0150.00517.86
7.4.130.0110.00616.53
7.4.120.0100.00716.61
7.4.110.0170.00416.64
7.4.100.0140.00316.58
7.4.90.0110.00716.45
7.4.80.0130.00919.39
7.4.70.0130.00316.57
7.4.60.0030.01316.54
7.4.50.0000.00716.43
7.4.40.0130.00316.58
7.4.30.0160.00616.45
7.4.00.0040.01114.87
7.3.330.0050.00013.27
7.3.320.0000.00513.27
7.3.310.0000.00716.19
7.3.300.0070.00016.33
7.3.290.0090.00516.26
7.3.280.0140.00616.28
7.3.270.0100.00717.40
7.3.260.0120.00616.46
7.3.250.0090.00916.37
7.3.240.0090.01116.32
7.3.230.0090.00916.55
7.3.210.0120.01216.53
7.3.200.0100.00716.41
7.3.190.0090.00916.48
7.3.180.0120.00316.46
7.3.170.0160.00716.50
7.3.160.0000.01616.47
7.2.330.0060.01116.77
7.2.320.0100.00716.61
7.2.310.0100.00716.74
7.2.300.0060.01716.74
7.2.290.0070.01416.81
7.2.60.0090.00616.65
7.2.00.0190.00718.94
7.1.200.0030.00615.59
7.1.100.0030.00717.96
7.1.70.0060.00917.25
7.1.60.0030.02119.50
7.1.50.0130.01934.67
7.1.00.0100.07022.36
7.0.200.2570.00714.83
7.0.60.0030.07720.06
7.0.50.0130.08017.97
7.0.40.0100.08020.13
7.0.30.0200.04320.06
7.0.20.0400.07320.25
7.0.10.0070.06720.23
7.0.00.0100.04020.16
5.6.280.0030.03321.07
5.6.210.0030.05020.50
5.6.200.0170.05718.15
5.6.190.0070.04720.48
5.6.180.0370.06720.61
5.6.170.0300.07720.47
5.6.160.0070.08020.56
5.6.150.0000.05718.30
5.6.140.0100.08018.15
5.6.130.0130.08018.21
5.6.120.0070.03720.97
5.6.110.0030.09321.13
5.6.100.0130.08021.03
5.6.90.0070.08721.10
5.6.80.0100.07020.51
5.5.350.0270.07320.37
5.5.340.0030.06017.96
5.5.330.0030.07020.27
5.5.320.0430.07020.24
5.5.310.0270.08020.19
5.5.300.0030.06018.07
5.5.290.0130.07318.03
5.5.280.0070.04720.88
5.5.270.0100.08320.79
5.5.260.0100.04020.64
5.5.250.0000.04320.50
5.5.240.0100.07020.26
5.4.450.0730.07319.47
5.4.440.0670.06019.46
5.4.430.0730.05319.16
5.4.420.0670.06019.63
5.4.410.0730.05319.18
5.4.400.0730.05719.38
5.4.390.0730.06019.14
5.4.380.0800.05319.28
5.4.370.0700.05319.30
5.4.360.0700.05318.86
5.4.350.0730.05319.26
5.4.340.0700.05719.31
5.4.320.0700.05319.20
5.4.310.0770.05319.30
5.4.300.0800.05319.28
5.4.290.0700.06019.25
5.4.280.0800.05019.25
5.4.270.0830.06018.86
5.4.260.0700.06318.86
5.4.250.0700.06019.28
5.4.240.0770.05318.86
5.4.230.0800.05019.32
5.4.220.0670.06319.15
5.4.210.0730.05319.00
5.4.200.0700.05318.84
5.4.190.0730.05318.85
5.4.180.0700.05318.83
5.4.170.0900.05019.26
5.4.160.0630.06018.97
5.4.150.0730.05319.13
5.4.140.0730.05716.56
5.4.130.0900.03716.49
5.4.120.1100.05016.72
5.4.110.0770.06016.19
5.4.100.0570.05716.51
5.4.90.0030.05316.52
5.4.80.0030.05716.20
5.4.70.0000.03716.18
5.4.60.0200.05716.33
5.4.50.0170.03716.52
5.4.40.0200.07016.53
5.4.30.0030.07316.51
5.4.20.0030.05316.53
5.4.10.0370.04716.56

preferences:
54.51 ms | 401 KiB | 5 Q