3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = '4556494730120644'; $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)
8.3.60.0040.01118.40
8.3.50.0180.00418.32
8.3.40.0070.00718.93
8.3.30.0070.00719.10
8.3.20.0040.00420.33
8.3.10.0060.00320.66
8.3.00.0080.00019.38
8.2.180.0040.01116.63
8.2.170.0040.01122.96
8.2.160.0080.00820.47
8.2.150.0100.00024.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0040.00422.27
8.2.110.0070.00422.27
8.2.100.0080.00317.84
8.2.90.0040.00419.34
8.2.80.0040.00417.97
8.2.70.0080.00017.75
8.2.60.0030.00617.93
8.2.50.0000.00717.93
8.2.40.0040.00419.88
8.2.30.0000.00717.74
8.2.20.0000.00817.70
8.2.10.0000.00818.07
8.2.00.0070.00017.79
8.1.270.0030.00623.88
8.1.260.0050.00226.35
8.1.250.0040.00428.09
8.1.240.0000.00820.70
8.1.230.0070.00717.70
8.1.220.0060.00317.79
8.1.210.0000.00818.77
8.1.200.0090.00016.98
8.1.190.0040.00417.10
8.1.180.0060.00318.10
8.1.170.0000.00817.62
8.1.160.0030.00518.95
8.1.150.0050.00218.81
8.1.140.0000.00817.51
8.1.130.0000.00717.84
8.1.120.0050.00217.46
8.1.110.0030.00517.49
8.1.100.0040.00417.46
8.1.90.0040.00417.46
8.1.80.0000.00717.47
8.1.70.0030.00317.35
8.1.60.0020.00517.65
8.1.50.0040.00417.54
8.1.40.0040.00417.49
8.1.30.0030.00517.54
8.1.20.0000.00717.66
8.1.10.0000.00717.45
8.1.00.0060.00317.50
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0000.00618.58
8.0.270.0040.00417.88
8.0.260.0060.00017.14
8.0.250.0000.00716.89
8.0.240.0000.00816.94
8.0.230.0040.00416.89
8.0.220.0000.00816.82
8.0.210.0070.00016.80
8.0.200.0030.00316.88
8.0.190.0000.00916.91
8.0.180.0050.00216.88
8.0.170.0040.00416.84
8.0.160.0000.00716.72
8.0.150.0020.00516.80
8.0.140.0070.00016.78
8.0.130.0000.00713.27
8.0.120.0040.00416.77
8.0.110.0000.00716.76
8.0.100.0020.00516.62
8.0.90.0040.00416.83
8.0.80.0030.01116.80
8.0.70.0020.00516.81
8.0.60.0070.00016.90
8.0.50.0050.00316.75
8.0.30.0090.01017.23
8.0.20.0100.01117.40
8.0.10.0040.00416.97
8.0.00.0090.00816.48
7.4.330.0000.00515.09
7.4.320.0070.00016.62
7.4.300.0000.00616.62
7.4.290.0030.00316.42
7.4.280.0000.00716.61
7.4.270.0030.00316.58
7.4.260.0070.00016.44
7.4.250.0040.00416.50
7.4.240.0040.00416.54
7.4.230.0040.00416.54
7.4.220.0130.00616.55
7.4.210.0000.01416.57
7.4.200.0030.00316.36
7.4.160.0140.00716.59
7.4.150.0130.00617.40
7.4.140.0080.01317.86
7.4.130.0080.00816.58
7.4.120.0090.00716.37
7.4.110.0030.01316.61
7.4.100.0140.00416.56
7.4.90.0100.00716.66
7.4.80.0140.00716.54
7.4.70.0090.00616.46
7.4.60.0070.01016.50
7.4.50.0000.00816.23
7.4.40.0090.00916.44
7.4.30.0130.00316.50
7.4.00.0060.00614.96
7.3.330.0070.00013.05
7.3.320.0030.00313.29
7.3.310.0030.00316.39
7.3.300.0000.00716.26
7.3.290.0070.01516.31
7.3.280.0070.00716.35
7.3.270.0200.00017.40
7.3.260.0060.01216.34
7.3.250.0060.01216.37
7.3.240.0080.00816.20
7.3.230.0100.00716.39
7.3.210.0040.01216.39
7.3.200.0160.00319.39
7.3.190.0060.01216.52
7.3.180.0100.00716.38
7.3.170.0110.00616.52
7.3.160.0000.01616.29
7.2.330.0030.01316.29
7.2.320.0140.00716.61
7.2.310.0100.00716.71
7.2.300.0140.00716.71
7.2.290.0090.01216.32
7.1.100.0030.00918.11
7.1.70.0040.00417.38
7.1.60.0100.01419.32
7.1.50.0110.01116.97
7.1.00.0000.08022.52
7.0.200.0040.00416.73
7.0.140.0030.07322.09
7.0.60.0070.08319.90
7.0.50.0070.05717.89
7.0.40.0170.05719.96
7.0.30.0270.04320.30
7.0.20.0330.06320.30
7.0.10.0100.05020.18
7.0.00.0130.08320.03
5.6.280.0070.07020.91
5.6.210.0070.07020.69
5.6.200.0200.05718.13
5.6.190.0130.08020.43
5.6.180.0500.07720.63
5.6.170.0170.04020.48
5.6.160.0030.09320.51
5.6.150.0070.06318.12
5.6.140.0100.05318.20
5.6.130.0100.03318.09
5.6.120.0100.08020.73
5.6.110.0030.04321.00
5.6.100.0130.08020.98
5.6.90.0030.08321.12
5.6.80.0100.07320.38
5.5.350.0230.06720.35
5.5.340.0030.08017.95
5.5.330.0130.04720.57
5.5.320.0200.05020.29
5.5.310.0230.08020.29
5.5.300.0070.08017.91
5.5.290.0070.03718.00
5.5.280.0100.08320.77
5.5.270.0130.06320.85
5.5.260.0100.04020.86
5.5.250.0070.05720.61
5.5.240.4070.04020.35
5.4.450.0470.04719.61
5.4.440.0670.05719.47
5.4.430.0370.05319.42
5.4.420.0270.06319.63
5.4.410.0300.05019.14
5.4.400.0330.04719.16
5.4.390.0330.04719.21
5.4.380.0300.06718.70
5.4.370.0370.04718.71
5.4.360.0300.05718.61
5.4.350.0400.04718.74
5.4.340.0330.07018.59
5.4.320.0080.04512.45
5.4.310.0070.03812.45
5.4.300.0080.03412.46
5.4.290.0060.04512.45
5.4.280.0070.04512.35
5.4.270.0070.03912.35
5.4.260.0100.04512.35
5.4.250.0070.04112.35
5.4.240.0070.04612.35
5.4.230.0050.04512.34
5.4.220.0070.03812.34
5.4.210.0090.03312.34
5.4.200.0030.04012.34
5.4.190.0040.03912.34
5.4.180.0070.04012.34
5.4.170.0080.04012.35
5.4.160.0100.03612.35
5.4.150.0080.04312.34
5.4.140.0060.04012.03
5.4.130.0060.04712.02
5.4.120.0060.04611.97
5.4.110.0110.04011.96
5.4.100.0040.03711.97
5.4.90.0080.03411.96
5.4.80.0030.03911.97
5.4.70.0060.03411.96
5.4.60.0050.03411.96
5.4.50.0030.03711.96
5.4.40.0040.03611.95
5.4.30.0050.03611.95
5.4.20.0070.03611.95
5.4.10.0040.03811.95
5.4.00.0060.03611.44
5.3.290.0070.03812.80
5.3.280.0060.03712.71
5.3.270.0090.03612.72
5.3.260.0090.03812.72
5.3.250.0070.03512.72
5.3.240.0040.04012.72
5.3.230.0060.03912.71
5.3.220.0140.03512.68
5.3.210.0070.05512.68
5.3.200.0030.03812.68
5.3.190.0070.04712.68
5.3.180.0070.03512.68
5.3.170.0050.03612.67
5.3.160.0050.03712.67
5.3.150.0060.03612.68
5.3.140.0070.04112.66
5.3.130.0090.03912.66
5.3.120.0060.04212.66
5.3.110.0040.04012.66
5.3.100.0070.03912.11
5.3.90.0080.04212.08
5.3.80.0070.04712.07
5.3.70.0030.03812.07
5.3.60.0070.04312.07
5.3.50.0070.04512.00
5.3.40.0050.04412.00
5.3.30.0090.03511.95
5.3.20.0110.03511.72
5.3.10.0130.03811.69
5.3.00.0030.03811.68
5.2.170.0070.0389.18
5.2.160.0040.0389.18
5.2.150.0060.0409.18
5.2.140.0050.0409.17
5.2.130.0070.0299.13
5.2.120.0080.0329.14
5.2.110.0060.0389.14
5.2.100.0060.0309.14
5.2.90.0060.0369.14
5.2.80.0070.0439.13
5.2.70.0060.0419.14
5.2.60.0060.0409.09
5.2.50.0030.0329.05
5.2.40.0070.0359.03
5.2.30.0060.0309.01
5.2.20.0060.0359.00
5.2.10.0070.0358.92
5.2.00.0060.0388.78
5.1.60.0040.0368.07
5.1.50.0060.0328.06
5.1.40.0090.0258.04
5.1.30.0080.0288.39
5.1.20.0050.0258.41
5.1.10.0040.0258.14
5.1.00.0070.0258.14
5.0.50.0050.0196.61
5.0.40.0040.0196.48
5.0.30.0050.0296.29
5.0.20.0030.0206.26
5.0.10.0070.0256.24
5.0.00.0020.0346.23
4.4.90.0030.0174.78
4.4.80.0050.0144.76
4.4.70.0030.0184.76
4.4.60.0030.0254.76
4.4.50.0040.0154.77
4.4.40.0000.0294.71
4.4.30.0020.0174.76
4.4.20.0040.0234.85
4.4.10.0030.0204.85
4.4.00.0020.0264.76
4.3.110.0030.0154.67
4.3.100.0020.0164.66
4.3.90.0000.0174.64
4.3.80.0020.0254.58
4.3.70.0030.0144.63
4.3.60.0010.0164.63
4.3.50.0020.0174.63
4.3.40.0050.0224.54
4.3.30.0030.0203.29
4.3.20.0030.0183.26
4.3.10.0020.0163.22
4.3.00.0100.0236.94

preferences:
67.35 ms | 400 KiB | 5 Q