3v4l.org

run code in 300+ PHP versions simultaneously
<?php $chars = "0123456789ABCDEFGHIJKLMOPQRSTUVWabcdefghijklmnopqrstuvw"; $length = strlen($chars); $per = $index % $length; $subst = substr($chars, $per); $disp = ord($subst); echo ($index << $disp);

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)
8.3.60.0070.01016.50
8.3.50.0090.01021.89
8.3.40.0110.00418.71
8.3.30.0100.00318.85
8.3.20.0000.00920.16
8.3.10.0040.00423.71
8.3.00.0080.00019.38
8.2.180.0140.00016.50
8.2.170.0150.00822.96
8.2.160.0100.00720.57
8.2.150.0020.00524.18
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0070.00022.30
8.2.110.0060.00322.11
8.2.100.0040.00817.91
8.2.90.0000.00819.23
8.2.80.0000.00917.97
8.2.70.0000.00817.75
8.2.60.0090.00018.04
8.2.50.0080.00018.07
8.2.40.0000.00718.22
8.2.30.0000.00918.05
8.2.20.0080.00017.61
8.2.10.0050.00317.99
8.2.00.0060.00517.77
8.1.280.0120.00625.92
8.1.270.0070.00022.19
8.1.260.0080.00026.35
8.1.250.0050.00328.09
8.1.240.0090.00023.75
8.1.230.0000.01119.16
8.1.220.0050.00317.74
8.1.210.0030.00518.77
8.1.200.0040.00417.24
8.1.190.0030.00517.43
8.1.180.0030.00518.10
8.1.170.0080.00018.50
8.1.160.0000.00721.94
8.1.150.0000.00918.56
8.1.140.0000.00817.38
8.1.130.0000.00717.72
8.1.120.0030.00317.33
8.1.110.0000.00717.41
8.1.100.0050.00217.29
8.1.90.0000.00817.34
8.1.80.0030.00317.40
8.1.70.0030.00317.26
8.1.60.0080.00017.56
8.1.50.0000.00917.57
8.1.40.0040.00417.46
8.1.30.0000.00817.51
8.1.20.0070.00017.70
8.1.10.0000.00717.48
8.1.00.0000.00717.43
8.0.300.0050.00218.77
8.0.290.0040.00417.18
8.0.280.0030.00318.43
8.0.270.0070.00017.23
8.0.260.0030.00316.80
8.0.250.0040.00417.00
8.0.240.0040.00417.02
8.0.230.0000.00717.00
8.0.220.0040.00416.82
8.0.210.0040.00416.98
8.0.200.0030.00316.99
8.0.190.0040.00416.87
8.0.180.0030.00317.02
8.0.170.0080.00016.86
8.0.160.0000.00716.86
8.0.150.0000.00816.87
8.0.140.0040.00416.88
8.0.130.0050.00013.36
8.0.120.0060.00316.91
8.0.110.0000.00716.86
8.0.100.0040.00416.93
8.0.90.0040.00416.84
8.0.80.0030.01916.88
8.0.70.0000.00716.91
8.0.60.0000.00716.84
8.0.50.0000.00816.88
8.0.30.0100.00917.14
8.0.20.0150.00917.40
8.0.10.0040.00416.84
8.0.00.0100.00916.77
7.4.330.0000.00515.00
7.4.320.0000.00716.55
7.4.300.0000.00616.57
7.4.290.0000.00716.36
7.4.280.0070.00016.56
7.4.270.0000.00716.41
7.4.260.0040.00416.49
7.4.250.0040.00416.36
7.4.240.0020.00616.52
7.4.230.0000.00616.28
7.4.220.0070.01016.45
7.4.210.0100.00716.54
7.4.200.0000.00816.56
7.4.190.0000.00716.65
7.4.160.0060.00916.33
7.4.150.0040.01417.40
7.4.140.0090.00917.86
7.4.130.0090.00916.56
7.4.120.0100.00816.47
7.4.110.0100.00716.45
7.4.100.0120.00616.48
7.4.90.0130.00316.57
7.4.80.0060.01219.39
7.4.70.0080.00816.68
7.4.60.0110.00616.41
7.4.50.0000.00816.34
7.4.40.0090.00622.77
7.4.30.0090.00616.53
7.4.00.0080.00814.80
7.3.330.0060.00013.19
7.3.320.0030.00313.23
7.3.310.0000.00716.25
7.3.300.0030.00316.30
7.3.290.0140.00316.32
7.3.280.0080.01016.29
7.3.270.0110.00717.40
7.3.260.0080.00816.50
7.3.250.0100.00716.35
7.3.240.0100.00616.47
7.3.230.0080.00816.46
7.3.210.0040.01216.58
7.3.200.0090.00919.39
7.3.190.0130.00616.36
7.3.180.0100.00616.36
7.3.170.0090.00616.27
7.3.160.0090.00616.41
7.3.120.0070.00914.66
7.3.110.0060.01314.75
7.3.100.0120.00614.59
7.3.90.0030.00914.99
7.3.80.0110.00014.91
7.3.70.0030.01314.91
7.3.60.0000.00914.83
7.3.50.0060.01214.80
7.3.40.0070.00714.75
7.3.30.0090.00314.88
7.3.20.0030.00616.65
7.3.10.0070.00816.64
7.3.00.0060.00716.57
7.2.330.0070.01016.65
7.2.320.0120.00616.57
7.2.310.0150.00816.71
7.2.300.0110.00516.54
7.2.290.0080.00816.33
7.2.250.0110.00614.77
7.2.240.0090.00914.96
7.2.230.0060.01115.05
7.2.220.0070.01315.09
7.2.210.0070.00714.74
7.2.200.0070.00714.88
7.2.190.0040.01414.68
7.2.180.0060.00314.88
7.2.170.0000.01414.88
7.2.130.0050.00716.73
7.2.120.0070.00416.65
7.2.110.0040.00916.81
7.2.100.0060.00716.79
7.2.90.0090.00616.95
7.2.80.0040.01016.74
7.2.70.0080.00616.90
7.2.60.0070.00716.74
7.2.50.0050.00616.77
7.2.40.0070.00716.85
7.2.30.0080.00716.88
7.2.20.0030.01316.92
7.2.10.0080.00516.86
7.2.00.0070.00617.56
7.1.330.0000.01315.68
7.1.320.0040.00415.68
7.1.310.0040.00815.62
7.1.300.0030.01315.59
7.1.290.0060.00315.82
7.1.280.0090.00615.73
7.1.270.0100.00715.92
7.1.260.0060.00615.86
7.1.250.0050.00915.75
7.1.200.0000.01215.71
7.1.100.0060.00618.27
7.1.70.0040.00417.15
7.1.60.0120.01219.33
7.1.50.0150.00616.92
7.1.00.0000.08022.30
7.0.200.0000.00716.57
7.0.140.0000.07721.95
7.0.60.0130.07719.82
7.0.50.0100.07317.83
7.0.40.0100.06720.20
7.0.30.0200.04320.30
7.0.20.0200.05720.00
7.0.10.0270.08720.13
7.0.00.0070.08019.99
5.6.280.0030.07320.90
5.6.210.0170.07020.71
5.6.200.0070.08018.09
5.6.190.0100.08020.45
5.6.180.0270.04020.39
5.6.170.0270.07020.40
5.6.160.0030.08720.38
5.6.150.0030.08718.12
5.6.140.0130.06318.07
5.6.130.0100.03318.11
5.6.120.0000.04321.11
5.6.110.0070.03720.88
5.6.100.0070.07721.01
5.6.90.0100.08321.07
5.6.80.0070.08720.36
5.6.70.3900.03320.38
5.5.350.0230.03320.43
5.5.340.0070.04717.88
5.5.330.0100.05020.13
5.5.320.0300.08720.21
5.5.310.0170.08320.30
5.5.300.0130.07717.91
5.5.290.0130.06317.97
5.5.280.0000.08720.95
5.5.270.0200.06720.78
5.5.260.0030.09020.73
5.5.250.0130.06320.69
5.5.240.0000.08020.02
5.4.450.0130.05719.14
5.4.440.0670.06319.28
5.4.430.0800.06019.48
5.4.420.0830.04719.44
5.4.410.0500.05719.31
5.4.400.0570.05719.05
5.4.390.0600.05319.27
5.4.380.0370.04718.46
5.4.370.0130.06018.72
5.4.360.0200.05318.70
5.4.350.0230.06318.59
5.4.340.0230.05718.70
5.4.320.0050.04712.45
5.4.310.0050.03812.45
5.4.300.0050.04112.45
5.4.290.0060.03712.45
5.4.280.0100.03012.34
5.4.270.0050.03512.34
5.4.260.0040.04512.35
5.4.250.0080.03512.34
5.4.240.0060.04312.34
5.4.230.0070.03412.34
5.4.220.0040.04012.34
5.4.210.0090.04712.34
5.4.200.0040.03912.34
5.4.190.0130.05212.33
5.4.180.0410.08212.34
5.4.170.0160.04612.35
5.4.160.0150.04712.34
5.4.150.0170.04412.33
5.4.140.0180.04412.02
5.4.130.0270.06412.01
5.4.120.0230.04711.96
5.4.110.0210.04311.96
5.4.100.0160.04611.96
5.4.90.0170.04211.96
5.4.80.0160.04211.96
5.4.70.0120.04511.96
5.4.60.0150.04311.95
5.4.50.0120.04411.96
5.4.40.0090.04811.94
5.4.30.0130.04611.94
5.4.20.0210.03711.94
5.4.10.0150.04211.95
5.4.00.0150.04311.43
5.3.290.0030.04112.80
5.3.280.0060.03612.71
5.3.270.0240.04312.72
5.3.260.0180.04512.72
5.3.250.0210.04412.72
5.3.240.0370.08912.71
5.3.230.0180.04512.71
5.3.220.0170.04712.68
5.3.210.0320.06312.68
5.3.200.0180.04412.68
5.3.190.0170.04512.68
5.3.180.0200.04512.67
5.3.170.0150.04812.67
5.3.160.0210.04512.68
5.3.150.0190.04512.67
5.3.140.0190.04512.66
5.3.130.0180.04412.65
5.3.120.0160.04812.66
5.3.110.0150.04512.66
5.3.100.0190.04512.11
5.3.90.0340.08512.09
5.3.80.0150.04412.08
5.3.70.0150.04412.08
5.3.60.0180.04112.06
5.3.50.0200.03912.00
5.3.40.0180.04012.00
5.3.30.0170.04411.95
5.3.20.0140.04411.73
5.3.10.0130.04311.69
5.3.00.0140.04311.68
5.2.170.0250.0839.18
5.2.160.0080.0409.18
5.2.150.0100.0379.18
5.2.140.0120.0369.18
5.2.130.0150.0329.14
5.2.120.0160.0329.14
5.2.110.0120.0369.14
5.2.100.0140.0349.14
5.2.90.0110.0359.14
5.2.80.0150.0329.13
5.2.70.0140.0349.13
5.2.60.0110.0359.09
5.2.50.0120.0359.05
5.2.40.0160.0649.04
5.2.30.0170.0309.01
5.2.20.0090.0409.00
5.2.10.0110.0358.93
5.2.00.0110.0348.79
5.1.60.0120.0298.07
5.1.50.0100.0328.07
5.1.40.0090.0318.05
5.1.30.0130.0308.40
5.1.20.0220.0518.43
5.1.10.0090.0338.14
5.1.00.0100.0318.14
5.0.50.0110.0236.63
5.0.40.0150.0186.49
5.0.30.0100.0346.30
5.0.20.0100.0226.27
5.0.10.0070.0246.25
5.0.00.0090.0366.24
4.4.90.0030.0224.78
4.4.80.0030.0214.76
4.4.70.0070.0184.75
4.4.60.0050.0204.76
4.4.50.0060.0184.77
4.4.40.0090.0264.71
4.4.30.0060.0194.76
4.4.20.0110.0134.84
4.4.10.0080.0174.85
4.4.00.0070.0284.76
4.3.110.0070.0174.66
4.3.100.0040.0214.67
4.3.90.0080.0194.63
4.3.80.0080.0274.59
4.3.70.0090.0164.63
4.3.60.0080.0164.63
4.3.50.0200.0354.62
4.3.40.0070.0284.54
4.3.30.0050.0193.29
4.3.20.0070.0173.28
4.3.10.0060.0173.24
4.3.00.0030.0307.77

preferences:
44.39 ms | 401 KiB | 5 Q