3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_export( substr('foo',3) );

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)
8.3.60.0040.01118.18
8.3.50.0100.01018.04
8.3.40.0090.00618.34
8.3.30.0110.00418.39
8.3.20.0000.00819.04
8.3.10.0050.00321.80
8.3.00.0070.00319.56
8.2.180.0100.01016.50
8.2.170.0070.01418.71
8.2.160.0170.00322.96
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00418.71
8.2.110.0070.00321.03
8.2.100.0040.00717.78
8.2.90.0000.00817.55
8.2.80.0060.00319.76
8.2.70.0040.00717.80
8.2.60.0030.00617.68
8.2.50.0000.00919.72
8.2.40.0080.00020.80
8.2.30.0000.00821.16
8.2.20.0050.00517.75
8.2.10.0070.00017.96
8.2.00.0000.00720.90
8.1.280.0000.01425.92
8.1.270.0080.00023.98
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00422.46
8.1.230.0030.01020.82
8.1.220.0050.00317.74
8.1.210.0050.00518.77
8.1.200.0000.00817.13
8.1.190.0000.00817.10
8.1.180.0000.00918.10
8.1.170.0030.00518.59
8.1.160.0040.00418.77
8.1.150.0030.00618.75
8.1.140.0000.00717.57
8.1.130.0000.00718.95
8.1.120.0040.00417.34
8.1.110.0070.00017.37
8.1.100.0000.00717.35
8.1.90.0040.00417.21
8.1.80.0000.00817.22
8.1.70.0030.00317.33
8.1.60.0040.00417.52
8.1.50.0030.00517.36
8.1.40.0030.00517.41
8.1.30.0050.00317.44
8.1.20.0040.00417.43
8.1.10.0040.00417.41
8.1.00.0040.00417.18
8.0.300.0000.00719.86
8.0.290.0040.00416.58
8.0.280.0080.00018.30
8.0.270.0000.00717.04
8.0.260.0040.00417.17
8.0.250.0030.00316.83
8.0.240.0040.00416.78
8.0.230.0000.00716.81
8.0.220.0030.00316.66
8.0.210.0040.00416.77
8.0.200.0000.00616.84
8.0.190.0080.00016.81
8.0.180.0030.00516.84
8.0.170.0070.00316.80
8.0.160.0080.00016.85
8.0.150.0030.00616.80
8.0.140.0070.00016.70
8.0.130.0000.00613.22
8.0.120.0000.00716.61
8.0.110.0030.00516.58
8.0.100.0030.00516.79
8.0.90.0030.00316.80
8.0.80.0070.01016.71
8.0.70.0070.00016.76
8.0.60.0000.00716.71
8.0.50.0040.00416.64
8.0.30.0170.00416.96
8.0.20.0150.00317.40
8.0.10.0000.00716.98
8.0.00.0090.00816.63
7.4.330.0000.00415.55
7.4.320.0060.00016.32
7.4.300.0060.00016.37
7.4.290.0030.00316.37
7.4.280.0030.00516.46
7.4.270.0050.00516.28
7.4.260.0060.00016.33
7.4.250.0000.00816.38
7.4.240.0030.00316.54
7.4.230.0040.00416.16
7.4.220.0080.00016.35
7.4.210.0080.00916.52
7.4.200.0040.00416.53
7.4.160.0100.00816.45
7.4.140.0070.01017.86
7.4.130.0060.01116.24
7.4.120.0090.00916.37
7.4.110.0130.00416.53
7.4.100.0070.01016.36
7.4.90.0030.01516.39
7.4.80.0150.00719.39
7.4.70.0090.00616.53
7.4.60.0100.00616.42
7.4.50.0030.01016.42
7.4.40.0130.00316.50
7.4.00.0060.00814.91
7.3.330.0050.00012.97
7.3.320.0000.00513.09
7.3.310.0000.00616.09
7.3.300.0040.00416.10
7.3.290.0040.00416.12
7.3.280.0100.00416.19
7.3.260.0120.00916.21
7.3.240.0120.00516.34
7.3.230.0090.00916.38
7.3.210.0100.00716.32
7.3.200.0100.01316.12
7.3.190.0060.01316.32
7.3.180.0070.01016.09
7.3.170.0140.00316.20
7.3.160.0110.00616.39
7.3.120.0080.00814.68
7.3.110.0140.00314.27
7.3.100.0070.01014.71
7.3.90.0090.00614.58
7.3.80.0070.01014.71
7.3.70.0090.00614.46
7.3.60.0000.01714.63
7.3.50.0070.00814.44
7.3.40.0060.00914.70
7.3.30.0000.01114.32
7.3.20.0040.01116.55
7.3.10.0100.00316.56
7.3.00.0040.00716.55
7.2.330.0070.01016.54
7.2.320.0060.01616.19
7.2.310.0100.00716.30
7.2.300.0130.00916.54
7.2.290.0110.01116.56
7.2.250.0070.01014.56
7.2.240.0000.01714.54
7.2.230.0030.00614.48
7.2.220.0030.00914.75
7.2.210.0110.00414.93
7.2.200.0080.00814.58
7.2.190.0070.00314.68
7.2.180.0140.00414.87
7.2.170.0100.01014.73
7.2.60.0040.00816.64
7.2.40.2150.01117.80
7.2.30.3000.00917.91
7.2.20.1010.00817.39
7.2.10.1380.00917.78
7.2.00.0340.00617.63
7.1.330.0040.01115.65
7.1.320.0060.00615.58
7.1.310.0040.00415.67
7.1.300.0060.00615.61
7.1.290.0070.00715.53
7.1.280.0120.00615.79
7.1.270.0030.00515.57
7.1.260.0040.01115.46
7.1.200.0040.00815.66
7.1.160.0760.00816.73
7.1.150.1390.00616.65
7.1.140.0340.00816.73
7.1.130.1330.01016.64
7.1.120.0070.00916.56
7.1.110.1910.00715.83
7.1.100.0780.00815.93
7.1.90.1230.00715.93
7.1.80.1420.00815.79
7.1.70.0070.00915.14
7.1.60.2880.01333.05
7.1.50.0750.01632.73
7.1.40.1210.01132.35
7.1.30.0770.01732.68
7.1.20.2720.01232.52
7.1.10.1410.00914.68
7.1.00.0600.01014.66

preferences:
57.64 ms | 401 KiB | 5 Q