3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var1 = "Cookie Dough"; $var2 = "Vanilla"; $initial = "C"; echo stripos($var1, "C"); echo stripos($var2, "C"); if (stripos($var1,$initial) == 0 && stripos($var2,$initial) == 0) { echo $var1 . " and " . $var2 . " both start with " . $initial . "."; } else { echo "Either " . $var1 . " or " . $var2 . " doesn't start with " . $initial . "; maybe neither of them do."; } ?>

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)
8.3.70.0090.00616.63
8.3.60.0110.00418.40
8.3.50.0110.00722.82
8.3.40.0120.00318.68
8.3.30.0140.00319.01
8.3.20.0070.00020.21
8.3.10.0040.00423.61
8.3.00.0060.00319.05
8.2.180.0110.00816.50
8.2.170.0200.00322.96
8.2.160.0130.00320.47
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0080.00021.16
8.2.110.0090.00022.24
8.2.100.0080.00318.22
8.2.90.0040.00719.22
8.2.80.0040.00417.97
8.2.70.0030.00517.75
8.2.60.0040.00418.04
8.2.50.0040.00418.07
8.2.40.0060.00320.07
8.2.30.0040.00418.07
8.2.20.0050.00317.70
8.2.10.0000.00718.13
8.2.00.0040.00417.57
8.1.280.0160.00025.92
8.1.270.0050.00323.87
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0050.00522.16
8.1.230.0100.00019.21
8.1.220.0000.00717.74
8.1.210.0040.00418.77
8.1.200.0030.01117.35
8.1.190.0030.00617.22
8.1.180.0000.00818.10
8.1.170.0040.00418.54
8.1.160.0040.00421.96
8.1.150.0000.00718.86
8.1.140.0020.00517.53
8.1.130.0000.00717.75
8.1.120.0000.00717.51
8.1.110.0000.00817.44
8.1.100.0030.00317.38
8.1.90.0040.00417.42
8.1.80.0000.00817.52
8.1.70.0030.00317.36
8.1.60.0000.00717.48
8.1.50.0040.00417.52
8.1.40.0020.00517.55
8.1.30.0080.00017.61
8.1.20.0000.00817.63
8.1.10.0040.00417.57
8.1.00.0000.00717.45
8.0.300.0030.00618.77
8.0.290.0040.00416.63
8.0.280.0000.00718.38
8.0.270.0000.00817.28
8.0.260.0000.00617.20
8.0.250.0030.00316.95
8.0.240.0000.00717.04
8.0.230.0000.00816.78
8.0.220.0030.00316.88
8.0.210.0000.00716.93
8.0.200.0000.00616.98
8.0.190.0040.00416.97
8.0.180.0020.00516.92
8.0.170.0030.00616.82
8.0.160.0070.00016.89
8.0.150.0040.00416.90
8.0.140.0040.00416.83
8.0.130.0000.00613.33
8.0.120.0030.00616.90
8.0.110.0070.00016.86
8.0.100.0000.00716.88
8.0.90.0000.00716.81
8.0.80.0030.01216.90
8.0.70.0070.00016.90
8.0.60.0040.00416.87
8.0.50.0030.00316.81
8.0.30.0070.01217.26
8.0.20.0100.00917.40
8.0.10.0080.00016.86
8.0.00.0070.01116.80
7.4.330.0050.00015.03
7.4.320.0000.00616.63
7.4.300.0070.00316.64
7.4.290.0060.00016.46
7.4.280.0120.00016.46
7.4.270.0030.00316.63
7.4.260.0070.00016.48
7.4.250.0040.00416.46
7.4.240.0010.00716.57
7.4.230.0000.00716.59
7.4.220.0170.00016.63
7.4.210.0050.01016.54
7.4.200.0000.00816.62
7.4.160.0190.00016.34
7.4.150.0110.01117.40
7.4.140.0130.00517.86
7.4.130.0090.00916.58
7.4.120.0060.01116.48
7.4.110.0110.01116.45
7.4.100.0110.00716.53
7.4.90.0150.00516.46
7.4.80.0160.00619.39
7.4.70.0140.00316.45
7.4.60.0080.01316.50
7.4.50.0030.00516.58
7.4.40.0030.01616.24
7.4.30.0000.01516.67
7.4.00.0090.00615.09
7.3.330.0000.00513.08
7.3.320.0030.00313.02
7.3.310.0070.00016.13
7.3.300.0000.00716.27
7.3.290.0100.01016.28
7.3.280.0120.00816.27
7.3.270.0090.00917.40
7.3.260.0080.01316.31
7.3.250.0070.01116.57
7.3.240.0130.00616.44
7.3.230.0090.01316.48
7.3.210.0110.00616.38
7.3.200.0100.00719.39
7.3.190.0070.01016.66
7.3.180.0060.00916.57
7.3.170.0100.00616.34
7.3.160.0030.01316.34
7.3.10.0050.01016.54
7.3.00.0050.00916.57
7.2.330.0030.01316.50
7.2.320.0150.00316.71
7.2.310.0130.00316.43
7.2.300.0090.00616.31
7.2.290.0070.01116.75
7.2.130.0060.00916.93
7.2.120.0050.01016.96
7.2.110.0090.00416.85
7.2.100.0090.00416.87
7.2.90.0100.00517.05
7.2.80.0060.00617.03
7.2.70.0060.00616.93
7.2.60.0090.00416.92
7.2.50.0060.00516.75
7.2.40.0020.01116.86
7.2.30.0070.00716.88
7.2.20.0050.00616.91
7.2.10.0040.00816.97
7.2.00.0060.00917.65
7.1.250.0030.01015.84
7.1.200.0070.00715.87
7.1.100.0030.00617.92
7.1.70.0000.01017.29
7.1.60.0030.00917.27
7.1.50.0140.01016.94
7.1.00.0070.07322.54
7.0.200.0030.01316.95
7.0.140.0070.06721.92
7.0.60.0200.05320.07
7.0.50.0000.05317.79
7.0.40.0070.05320.08
7.0.30.0200.03720.13
7.0.20.0370.07320.16
7.0.10.0030.07320.16
7.0.00.0130.03720.27
5.6.280.0100.06721.07
5.6.210.0130.06020.71
5.6.200.0070.05318.18
5.6.190.0070.06020.49
5.6.180.0430.06720.35
5.6.170.0300.07320.38
5.6.160.0070.07720.54
5.6.150.0130.07318.13
5.6.140.0070.08318.16
5.6.130.0100.04718.18
5.6.120.0170.07320.87
5.6.110.0230.07721.11
5.6.100.0030.09321.00
5.6.90.0030.04321.13
5.6.80.0030.09020.28
5.5.350.0230.06720.40
5.5.340.0030.09017.91
5.5.330.0070.05320.57
5.5.320.0370.05020.29
5.5.310.0200.06320.13
5.5.300.0000.06317.92
5.5.290.0130.04017.86
5.5.280.0070.05020.78
5.5.270.0100.05320.75
5.5.260.0130.07720.88
5.5.250.0100.07720.54
5.5.240.0170.08020.02
5.4.450.0470.04719.11
5.4.440.0470.04319.46
5.4.430.0130.05019.38
5.4.420.0170.04319.38
5.4.410.0400.04019.41
5.4.400.0130.03719.14
5.4.390.0370.04719.10
5.4.380.0170.06718.59
5.4.370.0400.06018.72
5.4.360.0300.05718.59
5.4.350.0400.06018.71
5.4.340.0200.06018.71
5.4.320.0070.03512.46
5.4.310.0080.03612.45
5.4.300.0080.03512.46
5.4.290.0050.03912.45
5.4.280.0040.03812.35
5.4.270.0060.03812.35
5.4.260.0070.04712.35
5.4.250.0090.03512.35
5.4.240.0040.04112.35
5.4.230.0080.04512.34
5.4.220.0060.03612.34
5.4.210.0080.03612.34
5.4.200.0030.04012.34
5.4.190.0080.03312.34
5.4.180.0060.03512.34
5.4.170.0090.03312.35
5.4.160.0140.03712.34
5.4.150.0090.03412.34
5.4.140.0070.04412.03
5.4.130.0080.03412.02
5.4.120.0060.03411.97
5.4.110.0080.03611.97
5.4.100.0060.04111.97
5.4.90.0070.03711.97
5.4.80.0050.03811.97
5.4.70.0090.03111.96
5.4.60.0060.03511.96
5.4.50.0100.03211.96
5.4.40.0060.03511.95
5.4.30.0040.03811.95
5.4.20.0050.03511.95
5.4.10.0070.03211.95
5.4.00.0050.03711.44
5.3.290.0070.03812.80
5.3.280.0050.04212.71
5.3.270.0070.03812.72
5.3.260.0030.04212.72
5.3.250.0040.03812.71
5.3.240.0080.03512.72
5.3.230.0070.03712.71
5.3.220.0050.04412.68
5.3.210.0060.05212.68
5.3.200.0040.04512.68
5.3.190.0060.04012.67
5.3.180.0050.03912.68
5.3.170.0110.03712.66
5.3.160.0080.03612.67
5.3.150.0090.03512.67
5.3.140.0110.03212.66
5.3.130.0070.03812.65
5.3.120.0060.03912.66
5.3.110.0070.04712.66
5.3.100.0050.03912.12
5.3.90.0060.03712.08
5.3.80.0060.03612.07
5.3.70.0070.03412.07
5.3.60.0080.03812.06
5.3.50.0080.03812.00
5.3.40.0100.03412.00
5.3.30.0110.03111.95
5.3.20.0100.03211.72
5.3.10.0050.03511.69
5.3.00.0050.03711.68
5.2.170.0010.0339.18
5.2.160.0070.0279.18
5.2.150.0060.0339.18
5.2.140.0070.0339.17
5.2.130.0080.0329.14
5.2.120.0040.0309.13
5.2.110.0030.0319.14
5.2.100.0060.0289.14
5.2.90.0050.0299.14
5.2.80.0050.0329.14
5.2.70.0040.0329.14
5.2.60.0000.0409.09
5.2.50.0050.0339.06
5.2.40.0050.0319.04
5.2.30.0090.0339.01
5.2.20.0050.0289.00
5.2.10.0030.0308.94
5.2.00.0070.0278.80
5.1.60.0060.0298.08
5.1.50.0040.0368.07
5.1.40.0070.0228.06
5.1.30.0070.0248.41
5.1.20.0040.0288.43
5.1.10.0030.0278.15
5.1.00.0060.0238.15
5.0.50.0020.0226.63
5.0.40.0030.0206.49
5.0.30.0020.0316.30
5.0.20.0050.0176.27
5.0.10.0060.0236.25
5.0.00.0030.0316.25
4.4.90.0060.0124.77
4.4.80.0040.0144.75
4.4.70.0050.0204.76
4.4.60.0030.0154.76
4.4.50.0000.0184.77
4.4.40.0030.0294.70
4.4.30.0020.0154.76
4.4.20.0030.0224.84
4.4.10.0030.0154.84
4.4.00.0030.0244.76
4.3.110.0030.0154.67
4.3.100.0020.0154.66
4.3.90.0040.0134.64
4.3.80.0040.0234.58
4.3.70.0040.0154.63
4.3.60.0010.0174.63
4.3.50.0040.0214.63
4.3.40.0040.0254.54
4.3.30.0020.0163.28
4.3.20.0010.0173.25
4.3.10.0050.0173.22
4.3.00.0100.01015.66

preferences:
42.41 ms | 401 KiB | 5 Q