3v4l.org

run code in 300+ PHP versions simultaneously
<?php $name = "heart.se"; echo substr($name, strpos($name, "."), 100);

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)
8.3.70.0100.00718.05
8.3.60.0150.00618.43
8.3.50.0120.00921.91
8.3.40.0120.00418.67
8.3.30.0120.00318.93
8.3.20.0040.00420.12
8.3.10.0080.00020.35
8.3.00.0040.00419.25
8.2.180.0090.00916.34
8.2.170.0110.00422.96
8.2.160.0100.01020.46
8.2.150.0090.00025.66
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0080.00022.23
8.2.110.0000.00922.10
8.2.100.0080.00317.91
8.2.90.0040.00419.09
8.2.80.0030.00517.97
8.2.70.0000.00817.63
8.2.60.0090.00318.04
8.2.50.0040.00418.07
8.2.40.0030.00518.05
8.2.30.0000.00819.14
8.2.20.0000.00717.67
8.2.10.0000.00717.89
8.2.00.0040.00417.68
8.1.280.0170.00325.92
8.1.270.0090.00922.14
8.1.260.0000.00826.35
8.1.250.0110.00728.09
8.1.240.0030.00523.66
8.1.230.0070.00419.07
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0060.00317.23
8.1.190.0000.00917.22
8.1.180.0050.00318.10
8.1.170.0000.00818.41
8.1.160.0050.00321.86
8.1.150.0000.00718.79
8.1.140.0000.00717.29
8.1.130.0040.00417.82
8.1.120.0040.00417.38
8.1.110.0050.00317.39
8.1.100.0050.00317.26
8.1.90.0050.00217.44
8.1.80.0000.00717.47
8.1.70.0070.00017.23
8.1.60.0030.00517.49
8.1.50.0040.00417.45
8.1.40.0040.00417.32
8.1.30.0000.00817.48
8.1.20.0060.00317.47
8.1.10.0030.00617.50
8.1.00.0020.00517.29
8.0.300.0030.00318.77
8.0.290.0000.00716.75
8.0.280.0000.00718.43
8.0.270.0000.00717.18
8.0.260.0030.00317.24
8.0.250.0070.00016.96
8.0.240.0000.00716.86
8.0.230.0000.00716.75
8.0.220.0050.00216.80
8.0.210.0070.00016.71
8.0.200.0000.00716.85
8.0.190.0040.00416.85
8.0.180.0070.00016.79
8.0.170.0000.00816.89
8.0.160.0030.00316.89
8.0.150.0030.00316.82
8.0.140.0000.00716.75
8.0.130.0030.00313.25
8.0.120.0050.00316.67
8.0.110.0030.00516.77
8.0.100.0070.00016.77
8.0.90.0000.00716.86
8.0.80.0060.01616.73
8.0.70.0000.00816.81
8.0.60.0040.00416.88
8.0.50.0040.00416.66
8.0.30.0130.00816.92
8.0.20.0100.01017.40
8.0.10.0070.00016.77
8.0.00.0100.01016.58
7.4.330.0000.00515.07
7.4.320.0030.00316.53
7.4.300.0000.00616.48
7.4.290.0000.00716.52
7.4.280.0040.00416.53
7.4.270.0000.00616.36
7.4.260.0070.00016.41
7.4.250.0040.00416.48
7.4.240.0010.00616.47
7.4.230.0030.00316.62
7.4.220.0040.00416.18
7.4.210.0060.00916.61
7.4.200.0040.00416.43
7.4.160.0110.00716.35
7.4.150.0030.01417.40
7.4.140.0110.01117.86
7.4.130.0100.00616.55
7.4.120.0120.00516.55
7.4.110.0080.00816.50
7.4.100.0190.00016.48
7.4.90.0110.00716.52
7.4.80.0120.00619.37
7.4.70.0030.01316.44
7.4.60.0120.00716.55
7.4.50.0040.00416.48
7.4.40.0090.00916.23
7.4.30.0060.00916.56
7.4.00.0100.00614.76
7.3.330.0000.00813.04
7.3.320.0000.00513.07
7.3.310.0000.00616.16
7.3.300.0030.00315.96
7.3.290.0130.00716.27
7.3.280.0090.00716.11
7.3.270.0070.01017.40
7.3.260.0110.00616.38
7.3.250.0120.00816.26
7.3.240.0060.01216.45
7.3.230.0090.00816.47
7.3.210.0130.00316.42
7.3.200.0090.01019.39
7.3.190.0070.01416.18
7.3.180.0130.00316.39
7.3.170.0130.00316.27
7.3.160.0150.01016.20
7.3.120.0090.00314.73
7.3.110.0000.01114.65
7.3.100.0060.00914.58
7.3.90.0030.00914.55
7.3.80.0060.00614.84
7.3.70.0070.00714.56
7.3.60.0030.01014.80
7.3.50.0090.00614.73
7.3.40.0040.00714.66
7.3.30.0090.00614.77
7.3.20.0060.00916.57
7.3.10.0000.01116.53
7.3.00.0080.00716.34
7.2.330.0000.01616.20
7.2.320.0060.01216.59
7.2.310.0060.01016.60
7.2.300.0050.01316.63
7.2.290.0100.01316.38
7.2.250.0100.01014.90
7.2.240.0030.01314.53
7.2.230.0060.00914.84
7.2.220.0030.00714.73
7.2.210.0030.00615.07
7.2.200.0000.01214.97
7.2.190.0000.01815.04
7.2.180.0090.00314.84
7.2.170.0030.00614.98
7.2.00.0030.00719.24
7.1.330.0070.00715.67
7.1.320.0040.00815.66
7.1.310.0040.00715.70
7.1.300.0070.01015.74
7.1.290.0060.00615.61
7.1.280.0000.01015.70
7.1.270.0030.01015.75
7.1.260.0000.01315.75
7.1.100.0060.00618.25
7.1.70.0000.00817.16
7.1.60.0140.01019.32
7.1.50.0030.01916.83
7.1.00.0070.07022.40
7.0.200.0070.00716.82
7.0.140.0000.07322.15
7.0.60.0070.08319.84
7.0.50.0070.08017.81
7.0.40.0130.04320.27
7.0.30.0230.05020.02
7.0.20.0300.08020.06
7.0.10.0030.09020.03
7.0.00.0030.06020.20
5.6.280.0000.07721.10
5.6.210.0070.04320.64
5.6.200.0070.08718.23
5.6.190.0070.09020.35
5.6.180.0270.04020.60
5.6.170.0200.06320.54
5.6.160.0070.07020.50
5.6.150.0030.08718.17
5.6.140.0070.08318.11
5.6.130.0100.05018.14
5.6.120.0100.04721.13
5.6.110.0100.06720.99
5.6.100.0070.04020.98
5.6.90.0170.06320.99
5.6.80.0130.04320.47
5.5.350.0300.07720.34
5.5.340.0130.07317.93
5.5.330.0030.04720.36
5.5.320.0200.06320.21
5.5.310.0230.04320.30
5.5.300.0130.04317.91
5.5.290.0130.07717.96
5.5.280.0070.05020.74
5.5.270.0100.08020.85
5.5.260.0030.06720.72
5.5.250.0030.08720.61
5.5.240.0070.07320.27
5.4.450.0570.06719.47
5.4.440.0600.07019.13
5.4.430.0470.05319.47
5.4.420.0930.05319.47
5.4.410.0700.04319.36
5.4.400.0100.05319.15
5.4.390.0370.05718.95
5.4.380.0230.06318.68
5.4.370.0270.05718.48
5.4.360.0230.06718.74
5.4.350.0400.05018.46
5.4.340.0200.07318.71
5.4.320.0080.03412.45
5.4.310.0040.03912.45
5.4.300.0060.03612.45
5.4.290.0030.04112.45
5.4.280.0070.03412.35
5.4.270.0030.03812.34
5.4.260.0050.04012.34
5.4.250.0080.03612.34
5.4.240.0080.03512.35
5.4.230.0070.03612.34
5.4.220.0060.03612.34
5.4.210.0040.03812.34
5.4.200.0030.04012.34
5.4.190.0090.04012.34
5.4.180.0090.03412.33
5.4.170.0050.03812.35
5.4.160.0060.03512.34
5.4.150.0060.03512.34
5.4.140.0050.03712.02
5.4.130.0060.03512.01
5.4.120.0030.03711.96
5.4.110.0050.03611.96
5.4.100.0050.03611.96
5.4.90.0070.03611.96
5.4.80.0060.03811.96
5.4.70.0070.03411.96
5.4.60.0050.03611.96
5.4.50.0060.03511.96
5.4.40.0050.03511.95
5.4.30.0030.03811.95
5.4.20.0080.03311.95
5.4.10.0020.03811.95
5.4.00.0050.03711.43
5.3.290.0060.04012.80
5.3.280.0060.03712.71
5.3.270.0040.04112.73
5.3.260.0060.03812.72
5.3.250.0060.03812.72
5.3.240.0070.03612.72
5.3.230.0040.04012.71
5.3.220.0090.04012.68
5.3.210.0050.04612.68
5.3.200.0080.03712.68
5.3.190.0060.03712.68
5.3.180.0060.03612.67
5.3.170.0040.03912.67
5.3.160.0070.03612.67
5.3.150.0040.03912.68
5.3.140.0060.03712.66
5.3.130.0060.03912.66
5.3.120.0080.03812.66
5.3.110.0080.03712.66
5.3.100.0050.03812.11
5.3.90.0050.03812.08
5.3.80.0060.03712.07
5.3.70.0070.03612.08
5.3.60.0050.03912.06
5.3.50.0070.03512.00
5.3.40.0050.03812.00
5.3.30.0050.03811.94
5.3.20.0050.03911.71
5.3.10.0110.03411.69
5.3.00.0060.03711.67
5.2.170.0040.0329.18
5.2.160.0090.0369.18
5.2.150.0020.0339.18
5.2.140.0090.0289.18
5.2.130.0090.0319.13
5.2.120.0080.0329.13
5.2.110.0040.0309.14
5.2.100.0050.0289.14
5.2.90.0070.0299.13
5.2.80.0060.0339.13
5.2.70.0050.0319.13
5.2.60.0090.0319.08
5.2.50.0100.0389.05
5.2.40.0060.0329.03
5.2.30.0050.0309.00
5.2.20.0050.0298.99
5.2.10.0060.0448.91
5.2.00.0120.0358.77
5.1.60.0050.0258.06
5.1.50.0040.0308.06
5.1.40.0070.0258.04
5.1.30.0070.0248.39
5.1.20.0080.0308.41
5.1.10.0070.0248.14
5.1.00.0040.0278.13
5.0.50.0040.0216.61
5.0.40.0020.0216.47
5.0.30.0020.0346.28
5.0.20.0050.0186.26
5.0.10.0050.0236.23
5.0.00.0050.0326.23
4.4.90.0040.0174.78
4.4.80.0030.0164.75
4.4.70.0040.0154.75
4.4.60.0020.0184.76
4.4.50.0040.0154.77
4.4.40.0050.0264.71
4.4.30.0050.0184.76
4.4.20.0030.0184.84
4.4.10.0030.0154.85
4.4.00.0030.0254.76
4.3.110.0060.0174.67
4.3.100.0040.0184.66
4.3.90.0050.0154.63
4.3.80.0040.0244.58
4.3.70.0010.0164.63
4.3.60.0030.0184.62
4.3.50.0030.0214.63
4.3.40.0040.0324.53
4.3.30.0030.0203.27
4.3.20.0010.0183.26
4.3.10.0020.0173.21
4.3.00.0130.0207.04

preferences:
71.99 ms | 401 KiB | 5 Q