3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(substr('t', 1));

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)
8.3.60.0100.00318.43
8.3.50.0070.01021.14
8.3.40.0110.00718.71
8.3.30.0070.00718.31
8.3.20.0080.00018.44
8.3.10.0030.00620.97
8.3.00.0100.00021.85
8.2.180.0120.00316.63
8.2.170.0090.00922.96
8.2.160.0130.00020.39
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0050.00326.16
8.2.120.0000.00821.14
8.2.110.0090.00022.12
8.2.100.0070.00717.66
8.2.90.0050.00318.82
8.2.80.0000.00917.97
8.2.70.0060.00317.38
8.2.60.0000.00817.68
8.2.50.0030.00518.07
8.2.40.0040.00417.97
8.2.30.0000.00719.51
8.2.20.0030.00617.41
8.2.10.0030.00617.48
8.2.00.0030.00617.62
8.1.280.0120.00325.92
8.1.270.0000.00723.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0080.00018.78
8.1.230.0070.00319.06
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0060.00317.22
8.1.190.0030.00617.39
8.1.180.0030.00618.10
8.1.170.0050.00218.51
8.1.160.0040.00418.70
8.1.150.0080.00018.51
8.1.140.0000.00717.38
8.1.130.0030.00317.75
8.1.120.0050.00217.33
8.1.110.0000.00817.34
8.1.100.0000.00817.31
8.1.90.0030.00417.29
8.1.80.0050.00317.26
8.1.70.0070.00017.24
8.1.60.0040.00417.52
8.1.50.0060.00317.25
8.1.40.0020.00517.41
8.1.30.0060.00317.51
8.1.20.0040.00417.36
8.1.10.0000.00717.29
8.1.00.0040.00417.30
8.0.300.0000.00718.77
8.0.290.0000.00816.63
8.0.280.0030.00318.43
8.0.270.0030.00317.09
8.0.260.0000.00716.61
8.0.250.0000.00716.88
8.0.240.0000.00816.78
8.0.230.0000.00716.74
8.0.220.0000.00716.65
8.0.210.0040.00416.66
8.0.200.0030.00316.71
8.0.190.0050.00216.72
8.0.180.0030.00616.73
8.0.170.0000.00716.79
8.0.160.0080.00016.89
8.0.150.0000.00816.64
8.0.140.0040.00416.61
8.0.130.0050.00013.11
8.0.120.0040.00416.77
8.0.110.0070.00016.75
8.0.100.0040.00416.64
8.0.90.0070.00016.72
8.0.80.0060.01016.82
8.0.70.0020.00516.64
8.0.60.0030.00516.63
8.0.50.0040.00416.73
8.0.30.0110.01416.96
8.0.20.0130.01217.40
8.0.10.0040.00416.89
8.0.00.0120.00516.60
7.4.330.0000.00516.81
7.4.320.0060.00016.50
7.4.300.0000.00716.47
7.4.290.0060.00016.41
7.4.280.0000.00716.35
7.4.270.0030.00316.36
7.4.260.0030.00313.10
7.4.250.0000.00916.36
7.4.240.0000.00716.51
7.4.230.0000.00716.36
7.4.220.0070.01116.44
7.4.210.0070.01016.48
7.4.200.0030.00416.39
7.4.190.0040.00416.46
7.4.160.0140.00316.44
7.4.150.0090.00817.40
7.4.140.0150.00317.86
7.4.130.0060.01216.45
7.4.120.0130.00516.33
7.4.110.0000.01716.42
7.4.100.0140.01016.43
7.4.90.0070.01116.53
7.4.80.0100.00619.39
7.4.70.0090.00916.35
7.4.60.0030.01716.38
7.4.50.0050.00316.27
7.4.40.0060.00622.77
7.4.30.0090.01016.29
7.4.00.0090.00614.57
7.3.330.0060.00012.89
7.3.320.0000.00812.86
7.3.310.0040.00416.14
7.3.300.0000.00716.13
7.3.290.0080.00816.16
7.3.280.0080.00916.12
7.3.270.0120.00917.40
7.3.260.0100.00918.24
7.3.250.0150.00616.17
7.3.240.0060.01016.11
7.3.230.0100.00616.39
7.3.210.0060.01216.22
7.3.200.0130.00419.39
7.3.190.0080.01416.30
7.3.180.0090.00615.99
7.3.170.0130.00316.27
7.3.160.0140.00316.39
7.3.120.0040.00714.65
7.3.10.0000.01716.59
7.3.00.0040.01116.41
7.2.330.0160.00816.48
7.2.320.0100.00716.23
7.2.310.0070.01116.41
7.2.300.0150.00616.27
7.2.290.0060.01016.47
7.2.130.0040.00816.41
7.2.120.0040.01116.36
7.2.110.0070.00316.58
7.2.100.0100.00716.85
7.2.90.0030.01016.77
7.2.80.0030.00716.36
7.2.70.0120.00316.59
7.2.60.0130.00516.51
7.2.50.0070.01116.85
7.2.40.0030.01316.90
7.2.30.0100.00316.54
7.2.20.0060.00616.60
7.2.10.0060.00316.79
7.2.00.0040.01216.70
7.1.250.0100.00615.49
7.1.200.0110.00015.80
7.1.100.0070.00717.83
7.1.70.0050.00917.09
7.1.60.0100.00516.85
7.1.50.0120.00616.88
7.1.40.0040.00716.75
7.1.30.0060.00916.75
7.1.20.0070.01016.75
7.1.10.0140.00016.75
7.1.00.0030.00516.75
7.0.200.0040.00816.75
7.0.190.0030.00616.75
7.0.180.0060.00616.75
7.0.170.0000.01216.75
7.0.160.0100.00316.75
7.0.150.0090.00616.75
7.0.140.0040.01316.75
7.0.130.0080.00416.75
7.0.120.0090.00516.75
7.0.110.0050.01016.75
7.0.100.0040.00816.75
7.0.90.0070.00516.75
7.0.80.0000.01616.75
7.0.70.0030.00616.75
7.0.60.0000.00816.75
7.0.50.0000.01316.75
7.0.40.0040.00416.75
7.0.30.0060.01216.75
7.0.20.0050.00516.75
7.0.10.0030.00716.75
7.0.00.0000.00816.75
5.6.300.0070.04620.81
5.6.290.0070.04720.81
5.6.280.0060.04721.04
5.6.270.0120.03520.86
5.6.260.0100.06520.86
5.6.250.0070.04220.95
5.6.240.0110.03621.04
5.6.230.0170.05820.84
5.6.220.0100.03920.83
5.6.210.0060.04121.07
5.6.200.0130.04120.81
5.6.190.0070.03920.84
5.6.180.0100.07320.82
5.6.170.0070.04720.80
5.6.160.0040.04420.81
5.6.150.0000.04720.85
5.6.140.0030.04620.90
5.6.130.0030.04021.00
5.6.120.0000.04420.94
5.6.110.0000.04520.71
5.6.100.0070.05020.80
5.6.90.0060.04020.74
5.6.80.0030.07820.31
5.6.70.0030.04020.18
5.6.60.0000.04420.41
5.6.50.0000.08520.36
5.6.40.0030.03820.18
5.6.30.0100.03620.38
5.6.20.0070.04520.16
5.6.10.0100.03220.26
5.6.00.0070.04020.15
5.5.380.0000.04917.43
5.5.370.0100.06217.57
5.5.360.0000.04717.46
5.5.350.0000.04417.45
5.5.340.0000.07217.93
5.5.330.0030.04517.75
5.5.320.0000.04618.00
5.5.310.0070.07418.10
5.5.300.0000.04417.84
5.5.290.0040.04618.00
5.5.280.0030.04017.67
5.5.270.0030.04017.96
5.5.260.0000.04917.94
5.5.250.0030.04317.76
5.5.240.0090.03517.38
5.5.230.0030.03917.46
5.5.220.0100.04217.32
5.5.210.0030.04117.29
5.5.200.0000.04117.35
5.5.190.0030.04217.27
5.5.180.0030.03917.14
5.5.160.0070.06017.38
5.5.150.0100.07317.34
5.5.140.0040.05317.06
5.5.130.0030.03917.40
5.5.120.0100.03417.18
5.5.110.0000.04417.29
5.5.100.0070.03417.20
5.5.90.0030.03616.93
5.5.80.0200.03717.25
5.5.70.0000.04817.25
5.5.60.0060.03217.29
5.5.50.0030.04516.91
5.5.40.0030.04017.01
5.5.30.0070.03617.32
5.5.20.0070.04117.04
5.5.10.0030.04217.27
5.5.00.0030.03917.18
5.4.450.0070.03719.29
5.4.440.0000.04219.36
5.4.430.0100.06819.27
5.4.420.0070.03719.37
5.4.410.0000.06919.25
5.4.400.0000.04019.05
5.4.390.0000.04219.12
5.4.380.0000.04119.05
5.4.370.0030.03819.02
5.4.360.0060.04218.96
5.4.350.0040.03918.83
5.4.340.0000.04119.00
5.4.320.0070.07619.02
5.4.310.0070.07118.86
5.4.300.0070.04319.11
5.4.290.0000.04719.04
5.4.280.0100.04219.04
5.4.270.0060.03218.99
5.4.260.0070.04319.03
5.4.250.0000.04518.97
5.4.240.0030.03619.02
5.4.230.0070.03518.96
5.4.220.0030.06318.97
5.4.210.0100.03018.95
5.4.200.0000.04218.92
5.4.190.0000.04619.04
5.4.180.0000.04219.04
5.4.170.0000.04219.04
5.4.160.0090.03118.93
5.4.150.0030.04218.96
5.4.140.0100.03916.75
5.4.130.0000.04016.75
5.4.120.0060.03516.75
5.4.110.0070.03816.75
5.4.100.0060.03716.75
5.4.90.0090.03216.75
5.4.80.0070.03516.75
5.4.70.0000.04016.75
5.4.60.0060.03116.75
5.4.50.0000.04116.75
5.4.40.0030.03816.75
5.4.30.0030.03916.75
5.4.20.0090.03316.75
5.4.10.0040.03916.75
5.4.00.0000.04116.75
5.3.290.0030.03616.75
5.3.280.0060.03516.75
5.3.270.0070.03316.75
5.3.260.0040.03616.75
5.3.250.0090.03516.75
5.3.240.0030.04716.75
5.3.230.0030.04116.75
5.3.220.0030.04016.75
5.3.210.0000.04216.75
5.3.200.0090.03416.75
5.3.190.0100.03416.75
5.3.180.0060.03616.75
5.3.170.0030.04016.75
5.3.160.0060.03816.75
5.3.150.0030.04616.75
5.3.140.0030.03916.75
5.3.130.0030.04416.75
5.3.120.0030.04016.75
5.3.110.0000.04516.75
5.3.100.0060.03116.75
5.3.90.0070.04016.75
5.3.80.0200.02616.75
5.3.70.0130.03116.75
5.3.60.0030.03716.75
5.3.50.0040.04016.75
5.3.40.0030.04016.75
5.3.30.0000.03816.75
5.3.20.0030.03816.75
5.3.10.0000.03716.75
5.3.00.0000.03716.75
5.2.170.0060.02516.75
5.2.160.0030.05216.75
5.2.150.0060.02516.75
5.2.140.0040.02816.75
5.2.130.0030.02716.75
5.2.120.0000.03016.75
5.2.110.0000.03116.75
5.2.100.0000.03016.75
5.2.90.0000.03316.75
5.2.80.0000.03316.75
5.2.70.0030.03316.75
5.2.60.0000.03516.75
5.2.50.0040.02916.75
5.2.40.0030.02816.75
5.2.30.0030.03216.75
5.2.20.0060.02616.75
5.2.10.0030.03216.75
5.2.00.0060.02416.75
5.1.60.0030.02316.75
5.1.50.0130.02016.75
5.1.40.0030.02316.75
5.1.30.0060.02216.75
5.1.20.0030.02616.75
5.1.10.0000.03016.75
5.1.00.0030.02516.75
5.0.50.0030.02016.75
5.0.40.0000.04216.75
5.0.30.0030.03316.75
5.0.20.0070.01616.75
5.0.10.0000.02116.75
5.0.00.0030.02916.75
4.4.90.0040.01516.75
4.4.80.0030.01616.75
4.4.70.0070.01016.75
4.4.60.0040.01516.75
4.4.50.0030.01616.75
4.4.40.0030.02516.75
4.4.30.0000.01816.75
4.4.20.0000.01916.75
4.4.10.0030.01316.75
4.4.00.0000.02616.75
4.3.110.0030.01416.75
4.3.100.0000.01616.75
4.3.90.0000.01916.75
4.3.80.0030.04316.75
4.3.70.0000.01616.75
4.3.60.0030.01616.75
4.3.50.0000.01816.75
4.3.40.0030.02516.75
4.3.30.0000.01816.75
4.3.20.0000.01816.75
4.3.10.0050.01316.75
4.3.00.0040.01516.75

preferences:
45.16 ms | 401 KiB | 5 Q