3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo substr("Hello world",6);

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)
8.3.40.0110.00418.86
8.3.30.0090.00618.88
8.3.20.0040.00420.07
8.3.10.0000.00821.89
8.3.00.0000.00822.48
8.2.170.0180.00322.96
8.2.160.0070.01020.94
8.2.150.0050.00324.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00419.23
8.2.110.0080.00022.09
8.2.100.0040.00717.66
8.2.90.0060.00319.23
8.2.80.0000.00817.97
8.2.70.0040.00417.63
8.2.60.0040.00417.91
8.2.50.0080.00518.79
8.2.40.0070.00618.78
8.2.30.0070.00518.69
8.2.20.0070.00518.49
8.2.10.0090.00318.56
8.2.00.0130.00018.56
8.1.270.0000.00823.72
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0000.00923.92
8.1.230.0000.01118.96
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0040.00717.10
8.1.190.0040.00417.41
8.1.180.0100.00218.81
8.1.170.0050.00819.03
8.1.160.0090.00220.73
8.1.150.0040.00819.01
8.1.140.0120.00018.43
8.1.130.0090.00218.63
8.1.120.0080.00318.44
8.1.110.0060.00618.43
8.1.100.0120.00018.44
8.1.90.0110.00218.39
8.1.80.0100.00418.45
8.1.70.0100.00218.42
8.1.60.0090.00418.48
8.1.50.0110.00418.48
8.1.40.0070.00618.43
8.1.30.0080.00618.51
8.1.20.0110.00318.55
8.1.10.0050.00718.43
8.1.00.0070.00618.43
8.0.300.0030.00518.77
8.0.290.0040.00417.05
8.0.280.0020.00918.95
8.0.270.0080.00418.07
8.0.260.0070.00518.10
8.0.250.0070.00518.14
8.0.240.0080.00418.19
8.0.230.0090.00318.21
8.0.220.0060.00618.16
8.0.210.0050.00618.10
8.0.200.0060.00518.20
8.0.190.0110.00318.20
8.0.180.0060.00718.13
8.0.170.0060.00618.11
8.0.160.0080.00418.08
8.0.150.0050.00718.06
8.0.140.0100.00218.06
8.0.130.0070.00516.36
8.0.120.0100.00218.14
8.0.110.0080.00418.07
8.0.100.0050.00618.05
8.0.90.0080.00418.15
8.0.80.0050.01218.14
8.0.70.0050.00818.06
8.0.60.0080.00318.14
8.0.50.0040.00818.05
8.0.30.0090.01017.80
8.0.20.0110.00718.11
8.0.10.0070.00518.15
8.0.00.0100.01617.67
7.4.330.0090.00017.27
7.4.320.0070.00417.95
7.4.300.0060.00517.89
7.4.290.0060.00617.95
7.4.280.0090.00317.88
7.4.270.0080.00317.92
7.4.260.0100.00317.93
7.4.250.0080.00317.88
7.4.240.0050.00517.42
7.4.230.0110.00017.98
7.4.220.0160.00218.03
7.4.210.0040.00917.20
7.4.200.0020.01017.90
7.4.190.0050.00518.05
7.4.180.0070.00719.52
7.4.160.0140.00217.97
7.4.150.0110.00618.46
7.4.140.0100.00718.41
7.4.130.0090.00717.41
7.4.120.0120.00717.39
7.4.110.0100.00517.97
7.4.100.0110.00617.91
7.4.90.0140.00417.88
7.4.80.0150.00419.46
7.4.70.0060.01018.02
7.4.60.0070.00917.89
7.4.50.0070.00517.93
7.4.40.0110.00321.14
7.4.30.0050.00917.81
7.4.20.0100.00519.52
7.4.10.0120.00319.52
7.4.00.0100.00517.19
7.3.330.0110.00016.20
7.3.320.0060.00416.24
7.3.310.0090.00217.76
7.3.300.0070.00417.83
7.3.290.0070.00817.84
7.3.280.0070.00817.00
7.3.270.0070.01118.46
7.3.260.0140.00217.98
7.3.250.0080.00917.37
7.3.240.0090.00617.94
7.3.230.0160.00317.96
7.3.220.0100.00819.52
7.3.210.0140.00617.91
7.3.200.0090.00719.46
7.3.190.0110.00717.88
7.3.180.0090.01117.82
7.3.170.0090.00917.90
7.3.160.0130.00318.02
7.3.150.0110.00519.52
7.3.140.0100.00619.52
7.3.130.0090.00619.52
7.3.120.0070.00517.22
7.3.110.0150.00019.52
7.3.100.0120.00419.52
7.3.90.0110.00719.52
7.3.80.0120.00319.52
7.3.70.0120.00319.52
7.3.60.0080.00819.52
7.3.50.0140.00419.52
7.3.40.0120.00419.52
7.3.30.0150.00019.52
7.3.20.0080.00819.52
7.3.10.0100.00519.52
7.3.00.0040.01319.52
7.2.340.0090.00919.52
7.2.330.0060.01118.03
7.2.320.0130.00517.88
7.2.310.0070.00818.03
7.2.300.0060.01318.01
7.2.290.0080.00817.91
7.2.280.0180.00019.52
7.2.270.0170.00019.52
7.2.260.0130.00519.52
7.2.250.0130.00419.52
7.2.240.0190.00019.52
7.2.230.0090.00919.52
7.2.220.0130.00419.52
7.2.210.0070.00919.52
7.2.200.0120.00619.52
7.2.190.0160.00019.52
7.2.180.0080.00819.52
7.2.170.0100.00519.52
7.2.160.0120.00419.52
7.2.150.0120.00819.52
7.2.140.0150.00019.52
7.2.130.0140.00319.52
7.2.120.0150.00019.52
7.2.110.0130.00319.52
7.2.100.0050.01119.52
7.2.90.0160.00019.52
7.2.80.0070.00719.52
7.2.70.0090.00619.52
7.2.60.0270.01116.90
7.2.50.0380.00317.24
7.2.40.0540.00517.21
7.2.30.0580.00917.51
7.2.20.0520.00717.41
7.2.10.0980.00817.39
7.2.00.0420.00918.07
7.1.330.0080.00819.52
7.1.320.0150.00019.52
7.1.310.0110.00419.52
7.1.300.0100.00519.52
7.1.290.0050.01019.52
7.1.280.0120.00419.52
7.1.270.0000.01519.52
7.1.260.0130.00319.52
7.1.250.0090.00619.52
7.1.240.0110.00419.52
7.1.230.0120.00319.52
7.1.220.0090.00519.52
7.1.210.0060.00919.52
7.1.200.0050.00917.63
7.1.190.0120.00319.52
7.1.180.0120.00319.52
7.1.170.0370.00516.45
7.1.160.0510.00618.07
7.1.150.0600.00817.96
7.1.140.0450.01118.06
7.1.130.0560.01118.13
7.1.120.0550.00818.13
7.1.110.0790.00617.88
7.1.100.0780.00517.90
7.1.90.0690.00717.71
7.1.80.0670.00517.86
7.1.70.0380.00717.21
7.1.60.0580.01023.23
7.1.50.0460.00723.08
7.1.40.0550.00922.85
7.1.30.0550.00722.87
7.1.20.0540.01122.90
7.1.10.0090.00916.83
7.1.00.0110.00717.06
7.0.330.0170.00019.52
7.0.320.0070.00719.52
7.0.310.0110.00419.52
7.0.300.0330.00416.21
7.0.290.0490.00617.88
7.0.280.0000.01319.52
7.0.270.0710.00817.91
7.0.260.0790.00517.97
7.0.250.0630.00617.59
7.0.240.0610.00717.65
7.0.230.0690.00717.53
7.0.220.0660.00717.65
7.0.210.0560.00917.09
7.0.200.0410.00817.07
7.0.190.0440.00816.91
7.0.180.0510.00616.61
7.0.170.0070.00916.66
7.0.160.0120.00716.64
7.0.150.0110.00716.66
7.0.140.0090.01016.68
7.0.130.0220.00716.85
7.0.120.0110.00716.80
7.0.110.0130.00716.76
7.0.100.0090.00816.76
7.0.90.0110.00616.64
7.0.80.0500.00616.69
7.0.70.0430.00816.61
7.0.60.0250.00816.61
7.0.50.0450.00616.71
7.0.40.0460.00516.40
7.0.30.0350.00716.30
7.0.20.0380.00616.23
7.0.10.0400.00716.28
7.0.00.0460.00616.27
5.6.400.0110.00419.52
5.6.390.0100.00319.52
5.6.380.0100.00319.52
5.6.370.0040.00919.52
5.6.360.0090.00419.52
5.6.350.0070.00719.52
5.6.340.0110.00419.52
5.6.330.0100.00319.52
5.6.320.0180.00019.52
5.6.310.0090.00619.52
5.6.300.0090.04320.36
5.6.290.0120.03320.34
5.6.280.0100.03720.45
5.6.270.0130.04320.38
5.6.260.0120.03720.41
5.6.250.0110.03720.43
5.6.240.0120.03720.42
5.6.230.0120.03820.40
5.6.220.0110.03520.45
5.6.210.0140.03520.41
5.6.200.0100.03620.39
5.6.190.0100.04320.44
5.6.180.0170.03120.37
5.6.170.0120.03420.45
5.6.160.0090.03420.36
5.6.150.0110.04520.51
5.6.140.0140.03420.40
5.6.130.0100.04020.47
5.6.120.0110.04020.49
5.6.110.0120.03720.39
5.6.100.0120.03520.48
5.6.90.0100.04320.44
5.6.80.0130.03119.99
5.6.70.0080.03719.96
5.6.60.0090.03719.98
5.6.50.0110.03420.00
5.6.40.0110.03520.00
5.6.30.0110.03519.90
5.6.20.0140.03319.99
5.6.10.0090.03620.02
5.6.00.0120.03319.93
5.5.380.0110.03518.19
5.5.370.0070.03518.13
5.5.360.0110.03818.19
5.5.350.0120.03618.14
5.5.340.0090.03418.39
5.5.330.0120.03118.38
5.5.320.0100.04118.50
5.5.310.0110.03218.46
5.5.300.0130.03218.51
5.5.290.0130.03318.43
5.5.280.0110.03918.49
5.5.270.0130.03918.49
5.5.260.0100.03718.48
5.5.250.0120.03718.36
5.5.240.0120.03618.02
5.5.230.0090.03718.09
5.5.220.0090.03418.03
5.5.210.0080.03518.03
5.5.200.0120.03518.06
5.5.190.0090.03617.98
5.5.180.0090.04618.08
5.5.170.0080.00419.52
5.5.160.0110.04018.02
5.5.150.0120.03418.07
5.5.140.0100.03518.10
5.5.130.0120.03417.96
5.5.120.0060.03618.07
5.5.110.0090.03517.97
5.5.100.0100.03217.83
5.5.90.0090.03117.96
5.5.80.0100.03317.93
5.5.70.0150.03517.91
5.5.60.0110.03618.00
5.5.50.0110.03317.98
5.5.40.0060.03718.03
5.5.30.0100.03118.02
5.5.20.0100.03118.06
5.5.10.0080.03917.96
5.5.00.0110.03617.98
5.4.450.0100.04219.33
5.4.440.0090.04219.36
5.4.430.0100.03619.39
5.4.420.0130.03419.36
5.4.410.0120.03519.25
5.4.400.0100.03919.10
5.4.390.0090.03419.23
5.4.380.0070.03319.22
5.4.370.0100.03019.23
5.4.360.0110.03619.13
5.4.350.0040.03719.19
5.4.340.0080.03719.20
5.4.330.0030.00719.52
5.4.320.0100.03119.19
5.4.310.0080.03119.22
5.4.300.0070.03319.14
5.4.290.0150.03419.15
5.4.280.0170.03119.16
5.4.270.0110.03119.11
5.4.260.0100.03019.19
5.4.250.0100.03119.03
5.4.240.0110.03219.22
5.4.230.0110.03019.18
5.4.220.0070.04919.18
5.4.210.0120.03019.21
5.4.200.0070.03419.19
5.4.190.0170.03219.13
5.4.180.0150.02719.20
5.4.170.0090.03219.25
5.4.160.0090.03819.16
5.4.150.0110.03419.20
5.4.140.0080.03717.57
5.4.130.0110.03317.58
5.4.120.0090.03717.60
5.4.110.0110.03317.55
5.4.100.0080.03117.47
5.4.90.0060.03217.60
5.4.80.0090.04017.43
5.4.70.0120.04017.50
5.4.60.0100.03517.47
5.4.50.0080.04417.53
5.4.40.0090.04417.44
5.4.30.0090.02917.52
5.4.20.0080.03817.48
5.4.10.0110.03217.41
5.4.00.0100.03117.21
5.3.290.0070.03316.39
5.3.280.0070.04216.37
5.3.270.0070.03516.26
5.3.260.0110.04216.39
5.3.250.0110.03216.34
5.3.240.0110.04316.33
5.3.230.0050.03816.38
5.3.220.0080.03216.36
5.3.210.0110.03416.35
5.3.200.0100.03216.36
5.3.190.0080.03516.36
5.3.180.0110.04016.33
5.3.170.0070.03416.36
5.3.160.0060.04516.25
5.3.150.0120.04816.31
5.3.140.0080.04616.34
5.3.130.0080.03416.33
5.3.120.0110.04216.36
5.3.110.0110.03616.24
5.3.100.0090.03816.16
5.3.90.0080.03016.20
5.3.80.0090.03616.15
5.3.70.0060.03316.18
5.3.60.0090.02916.15
5.3.50.0080.03116.13
5.3.40.0100.03416.13
5.3.30.0090.03816.15
5.3.20.0080.03116.02
5.3.10.0090.03016.01
5.3.00.0090.02916.03

preferences:
34.06 ms | 400 KiB | 5 Q