3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = '4111111111111111'; //$str = '4556494730120644'; $str = 'XXXXXXXXXXXX1111'; $sKey = '8519293193919192153'; $s = ''; $j = 0; for($i=0;$i < strlen($str);$i++) { $s .= chr( ord(substr($str,$i,1)) + ord(substr($sKey,$j++,1))); if($j==strlen($sKey)) $j=0; } ; echo $s; echo "\n"; echo utf8_encode($s);

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)
8.3.60.0060.00918.43
8.3.50.0110.01021.99
8.3.40.0100.00718.96
8.3.30.0000.01419.17
8.3.20.0040.00420.39
8.3.10.0040.00420.66
8.3.00.0050.00319.38
8.2.180.0150.00316.88
8.2.170.0100.01022.96
8.2.160.0040.01520.47
8.2.150.0030.00524.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0000.00822.23
8.2.110.0040.00719.33
8.2.100.0000.01217.78
8.2.90.0030.00618.34
8.2.80.0060.00317.97
8.2.70.0040.00417.93
8.2.60.0050.00318.04
8.2.50.0080.00018.16
8.2.40.0030.00620.63
8.2.30.0040.00419.53
8.2.20.0040.00417.84
8.2.10.0060.00318.09
8.2.00.0000.00817.69
8.1.280.0070.01025.92
8.1.270.0060.00323.97
8.1.260.0040.00426.35
8.1.250.0110.00428.09
8.1.240.0030.00622.60
8.1.230.0040.01020.93
8.1.220.0040.00417.74
8.1.210.0040.00419.04
8.1.200.0060.00317.22
8.1.190.0040.00417.22
8.1.180.0040.00418.10
8.1.170.0080.00018.64
8.1.160.0080.00021.98
8.1.150.0080.00018.90
8.1.140.0000.00717.39
8.1.130.0070.00017.77
8.1.120.0040.00417.49
8.1.110.0080.00017.50
8.1.100.0000.00717.45
8.1.90.0030.00317.44
8.1.80.0000.00717.53
8.1.70.0070.00017.50
8.1.60.0090.00017.60
8.1.50.0040.00417.58
8.1.40.0040.00417.42
8.1.30.0000.00817.68
8.1.20.0000.00717.71
8.1.10.0040.00417.55
8.1.00.0050.00217.42
8.0.300.0060.00320.02
8.0.290.0080.00016.63
8.0.280.0030.00318.48
8.0.270.0000.00717.33
8.0.260.0060.00017.29
8.0.250.0030.00316.87
8.0.240.0070.00016.97
8.0.230.0040.00416.81
8.0.220.0040.00416.86
8.0.210.0040.00416.78
8.0.200.0060.00016.81
8.0.190.0000.00816.82
8.0.180.0000.00716.91
8.0.170.0050.00316.87
8.0.160.0050.00216.80
8.0.150.0080.00016.88
8.0.140.0050.00216.77
8.0.130.0060.00013.28
8.0.120.0030.00516.75
8.0.110.0040.00416.88
8.0.100.0040.00416.91
8.0.90.0040.00416.71
8.0.80.0060.01516.81
8.0.70.0000.00816.78
8.0.60.0000.00716.73
8.0.50.0000.00716.89
8.0.30.0070.01217.19
8.0.20.0090.01217.40
8.0.10.0000.00817.09
8.0.00.0120.00616.57
7.4.330.0020.00215.17
7.4.320.0030.00316.64
7.4.300.0030.00316.61
7.4.290.0070.00016.65
7.4.280.0030.00416.62
7.4.270.0070.00016.59
7.4.260.0040.00316.66
7.4.250.0020.00516.57
7.4.240.0060.00116.54
7.4.230.0050.00216.51
7.4.220.0070.02016.71
7.4.210.0070.00716.58
7.4.200.0000.00716.61
7.4.160.0130.01016.58
7.4.150.0150.01017.40
7.4.140.0110.00917.86
7.4.130.0080.00916.48
7.4.120.0100.01216.74
7.4.110.0160.00016.59
7.4.100.0110.00716.52
7.4.90.0140.00316.53
7.4.80.0100.00716.49
7.4.70.0160.00016.39
7.4.60.0060.00916.56
7.4.50.0000.00816.39
7.4.40.0030.01216.39
7.4.30.0060.01016.56
7.4.00.0000.01414.91
7.3.330.0050.00213.22
7.3.320.0000.00513.19
7.3.310.0000.00716.46
7.3.300.0030.00316.38
7.3.290.0060.00916.45
7.3.280.0120.00616.33
7.3.270.0100.01017.40
7.3.260.0130.00716.56
7.3.250.0080.01316.41
7.3.240.0140.00316.36
7.3.230.0060.01116.39
7.3.210.0090.00616.41
7.3.200.0080.01519.39
7.3.190.0120.00616.63
7.3.180.0030.01316.47
7.3.170.0110.00516.52
7.3.160.0070.01016.63
7.2.330.0110.00716.43
7.2.320.0110.00616.69
7.2.310.0060.01116.52
7.2.300.0060.01016.84
7.2.290.0000.01716.70
7.2.00.0030.00919.31
7.1.100.0000.01018.23
7.1.70.0000.00717.22
7.1.60.0040.01819.32
7.1.50.0120.00916.90
7.1.00.0000.07722.51
7.0.200.0000.00716.56
7.0.140.0070.07022.09
7.0.60.0070.03719.93
7.0.50.0070.04317.90
7.0.40.0100.08320.40
7.0.30.0130.04720.20
7.0.20.0270.06320.20
7.0.10.0230.08320.16
7.0.00.0100.09020.33
5.6.280.0000.07720.99
5.6.210.0130.06320.71
5.6.200.0100.08018.16
5.6.190.0130.07020.77
5.6.180.0200.04320.44
5.6.170.0270.08020.71
5.6.160.0070.08320.48
5.6.150.0130.07318.18
5.6.140.0030.08718.15
5.6.130.0130.06018.12
5.6.120.0030.08720.99
5.6.110.0070.05020.96
5.6.100.0070.08321.00
5.6.90.0170.04321.12
5.6.80.0130.07320.40
5.6.70.4270.04020.47
5.5.350.0200.06320.42
5.5.340.0030.04017.95
5.5.330.0100.03720.40
5.5.320.0430.06020.29
5.5.310.0400.06320.50
5.5.300.0070.03317.88
5.5.290.0030.05717.97
5.5.280.0070.03720.67
5.5.270.0070.04720.79
5.5.260.0100.08720.75
5.5.250.0030.04020.58
5.5.240.0370.07320.18
5.4.450.0130.05319.63
5.4.440.0200.06719.60
5.4.430.0470.05719.66
5.4.420.0300.05719.09
5.4.410.0270.05719.49
5.4.400.0270.05319.22
5.4.390.0200.06319.30
5.4.380.0370.04718.77
5.4.370.0330.06018.56
5.4.360.0530.05318.63
5.4.350.0400.06318.74
5.4.340.0270.05318.74
5.4.320.0070.03812.45
5.4.310.0070.03812.45
5.4.300.0050.03812.46
5.4.290.0090.03512.45
5.4.280.0060.04112.35
5.4.270.0070.03712.35
5.4.260.0050.04312.35
5.4.250.0080.03712.35
5.4.240.0060.04112.35
5.4.230.0070.03812.34
5.4.220.0070.03412.34
5.4.210.0070.03412.34
5.4.200.0060.03712.34
5.4.190.0070.03412.34
5.4.180.0050.03612.34
5.4.170.0040.04012.35
5.4.160.0100.03112.34
5.4.150.0050.04012.34
5.4.140.0080.03712.03
5.4.130.0060.03612.02
5.4.120.0070.03711.97
5.4.110.0110.03411.96
5.4.100.0050.03711.97
5.4.90.0050.03811.97
5.4.80.0070.03511.96
5.4.70.0060.03411.96
5.4.60.0070.03311.96
5.4.50.0080.03311.96
5.4.40.0050.03511.95
5.4.30.0030.03811.95
5.4.20.0050.03511.95
5.4.10.0090.03111.95
5.4.00.0070.03411.44
5.3.290.0080.03612.80
5.3.280.0050.03812.71
5.3.270.0030.04212.72
5.3.260.0050.03912.72
5.3.250.0040.03912.72
5.3.240.0040.03812.72
5.3.230.0060.03812.71
5.3.220.0020.03912.68
5.3.210.0080.03612.68
5.3.200.0060.03512.68
5.3.190.0090.03312.68
5.3.180.0040.03712.68
5.3.170.0060.03512.67
5.3.160.0100.03312.68
5.3.150.0050.03712.67
5.3.140.0070.03512.66
5.3.130.0060.03812.66
5.3.120.0050.04012.66
5.3.110.0070.03812.66
5.3.100.0090.03312.12
5.3.90.0050.03712.08
5.3.80.0070.03412.07
5.3.70.0050.03712.08
5.3.60.0020.04012.06
5.3.50.0070.03512.00
5.3.40.0070.03512.00
5.3.30.0040.03711.95
5.3.20.0060.03511.73
5.3.10.0060.03411.69
5.3.00.0040.03711.68
5.2.170.0050.0299.18
5.2.160.0040.0299.18
5.2.150.0070.0279.18
5.2.140.0040.0309.17
5.2.130.0080.0259.13
5.2.120.0110.0219.13
5.2.110.0050.0289.14
5.2.100.0040.0299.14
5.2.90.0060.0279.14
5.2.80.0030.0319.14
5.2.70.0060.0299.14
5.2.60.0060.0289.09
5.2.50.0060.0289.05
5.2.40.0040.0289.03
5.2.30.0040.0309.01
5.2.20.0050.0289.00
5.2.10.0040.0288.92
5.2.00.0030.0308.78
5.1.60.0050.0228.06
5.1.50.0030.0268.06
5.1.40.0040.0248.04
5.1.30.0040.0278.39
5.1.20.0050.0268.41
5.1.10.0050.0278.14
5.1.00.0060.0248.14
5.0.50.0020.0216.61
5.0.40.0030.0196.47
5.0.30.0010.0336.29
5.0.20.0040.0196.26
5.0.10.0040.0196.24
5.0.00.0040.0306.23
4.4.90.0050.0134.78
4.4.80.0030.0144.75
4.4.70.0040.0144.76
4.4.60.0040.0144.76
4.4.50.0030.0154.77
4.4.40.0040.0244.71
4.4.30.0020.0164.75
4.4.20.0020.0164.84
4.4.10.0040.0154.85
4.4.00.0050.0244.76
4.3.110.0020.0164.67
4.3.100.0010.0164.67
4.3.90.0030.0144.64
4.3.80.0030.0244.59
4.3.70.0030.0144.63
4.3.60.0000.0174.63
4.3.50.0050.0134.63
4.3.40.0030.0254.54
4.3.30.0010.0173.29
4.3.20.0010.0173.26
4.3.10.0010.0173.21
4.3.00.0070.0236.92

preferences:
41.08 ms | 400 KiB | 5 Q