3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test { function __construct(){echo 'a';} } new ${!${''}='Test'}; new ${$a = '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)
8.3.70.0070.00716.75
8.3.60.0110.00716.88
8.3.50.0090.00621.21
8.3.40.0100.00618.84
8.3.30.0150.00018.79
8.3.20.0040.00420.20
8.3.10.0000.00723.70
8.3.00.0040.00418.03
8.2.190.0100.00318.54
8.2.180.0180.00018.41
8.2.170.0090.00622.96
8.2.160.0100.00320.39
8.2.150.0080.00025.66
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0090.00017.75
8.2.110.0070.00422.03
8.2.100.0090.00317.93
8.2.90.0040.00419.21
8.2.80.0000.01017.97
8.2.70.0060.00317.63
8.2.60.0040.00417.93
8.2.50.0040.00418.07
8.2.40.0040.00421.01
8.2.30.0060.00320.50
8.2.20.0040.00417.74
8.2.10.0040.00418.23
8.2.00.0050.00318.02
8.1.280.0040.01425.92
8.1.270.0030.00523.97
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0070.00322.61
8.1.230.0060.00617.54
8.1.220.0080.00017.74
8.1.210.0030.00518.77
8.1.200.0060.00317.36
8.1.190.0030.01017.10
8.1.180.0050.00918.10
8.1.170.0060.00318.59
8.1.160.0040.00422.06
8.1.150.0000.00718.75
8.1.140.0000.00819.63
8.1.130.0000.00817.62
8.1.120.0030.00617.40
8.1.110.0000.00917.49
8.1.100.0000.00717.33
8.1.90.0040.00417.35
8.1.80.0000.00717.48
8.1.70.0000.00717.32
8.1.60.0040.00417.60
8.1.50.0070.00417.52
8.1.40.0030.00617.48
8.1.30.0040.00417.54
8.1.20.0000.00717.67
8.1.10.0040.00417.52
8.1.00.0000.00817.52
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0000.00718.31
8.0.270.0070.00017.13
8.0.260.0070.00017.17
8.0.250.0050.00217.06
8.0.240.0030.00317.05
8.0.230.0000.00816.99
8.0.220.0000.00717.00
8.0.210.0040.00416.96
8.0.200.0000.00716.88
8.0.190.0050.00316.93
8.0.180.0050.00316.80
8.0.170.0040.00416.99
8.0.160.0000.00816.87
8.0.150.0040.00416.91
8.0.140.0040.00416.84
8.0.130.0030.00313.37
8.0.120.0030.00516.84
8.0.110.0050.00316.81
8.0.100.0000.00716.74
8.0.90.0000.00716.87
8.0.80.0030.01316.91
8.0.70.0000.00816.96
8.0.60.0040.00417.02
8.0.50.0080.00016.96
8.0.30.0090.00916.97
8.0.20.0110.01217.40
8.0.10.0030.00316.86
8.0.00.0130.00516.76
7.4.330.0000.00615.14
7.4.320.0030.00316.49
7.4.300.0030.00316.55
7.4.290.0000.00716.51
7.4.280.0000.00816.52
7.4.270.0000.00716.64
7.4.260.0070.00016.53
7.4.250.0000.00716.48
7.4.240.0020.00616.63
7.4.230.0000.00716.34
7.4.220.0100.01016.52
7.4.210.0140.00716.59
7.4.200.0030.00316.57
7.4.160.0170.00316.58
7.4.150.0160.00717.40
7.4.140.0090.01317.86
7.4.130.0100.00716.51
7.4.120.0060.01116.43
7.4.110.0060.01216.65
7.4.100.0100.01016.50
7.4.90.0090.00916.63
7.4.80.0110.00619.39
7.4.70.0100.00716.62
7.4.60.0090.00616.45
7.4.50.0040.00416.57
7.4.40.0090.00816.64
7.4.30.0070.01316.55
7.4.00.0030.01315.22
7.3.330.0000.00613.37
7.3.320.0000.00513.22
7.3.310.0000.00716.46
7.3.300.0000.00616.36
7.3.290.0050.01116.35
7.3.280.0080.00916.34
7.3.270.0060.01217.40
7.3.260.0070.01116.38
7.3.250.0070.01016.44
7.3.240.0070.01116.34
7.3.230.0110.00416.64
7.3.210.0150.00416.52
7.3.200.0030.01216.47
7.3.190.0120.00616.64
7.3.180.0100.00716.47
7.3.170.0120.00916.35
7.3.160.0000.01616.42
7.2.330.0050.01416.71
7.2.320.0130.00616.72
7.2.310.0080.00816.71
7.2.300.0080.01116.36
7.2.290.0140.00316.33
7.2.60.0030.01016.69
7.2.00.0180.01318.98
7.1.200.0090.00315.52
7.1.100.0000.01118.34
7.1.70.0090.00317.12
7.1.60.0100.01419.50
7.1.50.0100.00734.63
7.1.00.0030.07722.28
7.0.200.0600.00614.39
7.0.60.0100.03319.82
7.0.50.0070.03717.86
7.0.40.0100.04720.38
7.0.30.0300.06720.20
7.0.20.0370.07320.17
7.0.10.0000.05320.24
7.0.00.0170.06020.25
5.6.280.0030.03321.16
5.6.210.0100.07720.75
5.6.200.0070.08018.27
5.6.190.0000.09720.34
5.6.180.0300.05720.57
5.6.170.0200.04020.57
5.6.160.0000.04720.44
5.6.150.0070.07718.17
5.6.140.0030.04718.22
5.6.130.0030.05318.17
5.6.120.0100.06721.11
5.6.110.0130.08020.98
5.6.100.0070.05320.88
5.6.90.0070.08321.13
5.6.80.0030.08320.39
5.5.350.0000.04720.38
5.5.340.0100.05717.98
5.5.330.0000.08320.42
5.5.320.2600.04320.52
5.5.310.0170.06020.35
5.5.300.0030.07717.97
5.5.290.0030.06017.96
5.5.280.0030.05720.95
5.5.270.0030.05020.61
5.5.260.0100.08020.68
5.5.250.0100.04320.70
5.5.240.0070.05020.37
5.4.450.0700.05719.45
5.4.440.0730.06019.63
5.4.430.0770.05019.31
5.4.420.0730.05719.54
5.4.410.0770.05019.05
5.4.400.0770.04718.84
5.4.390.0730.05719.14
5.4.380.0970.05019.25
5.4.370.0730.04719.15
5.4.360.0770.06319.14
5.4.350.0770.05319.28
5.4.340.0830.04319.35
5.4.320.0700.06019.14
5.4.310.0800.04019.13
5.4.300.0770.04719.30
5.4.290.0800.04319.25
5.4.280.0800.05719.14
5.4.270.0800.05319.29
5.4.260.0730.06018.84
5.4.250.0770.05319.25
5.4.240.0770.05319.00
5.4.230.0770.06019.05
5.4.220.0730.06319.11
5.4.210.0700.05318.96
5.4.200.0830.03718.86
5.4.190.0870.04319.05
5.4.180.0700.05318.85
5.4.170.0670.05319.25
5.4.160.0700.05319.23
5.4.150.0670.06318.84
5.4.140.0670.05716.56
5.4.130.0830.05316.56
5.4.120.0730.05316.43
5.4.110.0700.05316.27
5.4.100.0770.04316.64
5.4.90.0700.04716.62
5.4.80.0730.05016.63
5.4.70.0230.07016.53
5.4.60.0070.05316.43
5.4.50.0070.07016.38
5.4.40.0170.03016.38
5.4.30.0270.04716.42
5.4.20.0000.07716.53

preferences:
43.77 ms | 401 KiB | 5 Q