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)) $j=0; } ; echo utf8_decode($s); echo "\n"; echo utf8_encode($s); echo "===============\n"; echo utf8_decode("°­©±ª±«©±«±©jbjc");*/ echo utf8_encode('XXXXXXXXXXXX0644');

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)
8.3.60.0090.00918.68
8.3.50.0120.00922.05
8.3.40.0130.00718.61
8.3.30.0060.01018.96
8.3.20.0040.00420.22
8.3.10.0050.00320.16
8.3.00.0000.00919.26
8.2.180.0170.00716.60
8.2.170.0100.00722.96
8.2.160.0070.00720.52
8.2.150.0000.00824.18
8.2.140.0000.00924.66
8.2.130.0040.00426.16
8.2.120.0050.00222.29
8.2.110.0000.00922.04
8.2.100.0040.00819.45
8.2.90.0030.00619.16
8.2.80.0000.00817.97
8.2.70.0060.00317.38
8.2.60.0040.00417.80
8.2.50.0060.00318.07
8.2.40.0040.00418.22
8.2.30.0040.00419.35
8.2.20.0000.00717.59
8.2.10.0060.00317.97
8.2.00.0040.00417.66
8.1.280.0090.00925.92
8.1.270.0040.00423.91
8.1.260.0050.00226.35
8.1.250.0070.00028.09
8.1.240.0030.00623.84
8.1.230.0060.00619.02
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0070.00616.98
8.1.190.0000.00817.10
8.1.180.0030.00518.10
8.1.170.0060.00618.56
8.1.160.0040.00421.82
8.1.150.0040.00418.74
8.1.140.0060.00317.34
8.1.130.0000.00717.63
8.1.120.0040.00417.36
8.1.110.0000.00717.37
8.1.100.0070.00017.25
8.1.90.0030.00617.36
8.1.80.0030.00317.33
8.1.70.0000.00717.24
8.1.60.0040.00417.33
8.1.50.0000.00817.34
8.1.40.0030.00617.38
8.1.30.0040.00417.50
8.1.20.0000.00717.50
8.1.10.0040.00417.45
8.1.00.0040.00417.28
8.0.300.0070.00018.77
8.0.290.0000.00716.63
8.0.280.0070.00018.36
8.0.270.0000.00717.16
8.0.260.0030.00517.05
8.0.250.0000.00616.84
8.0.240.0030.00316.86
8.0.230.0070.00016.82
8.0.220.0030.00316.66
8.0.210.0000.00616.79
8.0.200.0000.00816.64
8.0.190.0000.00716.80
8.0.180.0000.00716.76
8.0.170.0040.00416.79
8.0.160.0030.00316.66
8.0.150.0060.00316.78
8.0.140.0000.00716.61
8.0.130.0050.00013.14
8.0.120.0040.00416.70
8.0.110.0000.00716.76
8.0.100.0070.00016.59
8.0.90.0000.00716.55
8.0.80.0000.01516.70
8.0.70.0040.00416.71
8.0.60.0040.00416.75
8.0.50.0000.00716.80
8.0.30.0150.00316.96
8.0.20.0100.00917.40
8.0.10.0040.00416.86
8.0.00.0090.01016.52
7.4.330.0030.00315.00
7.4.320.0030.00316.38
7.4.300.0000.00616.36
7.4.290.0040.00416.46
7.4.280.0000.00716.39
7.4.270.0030.00316.45
7.4.260.0000.00716.34
7.4.250.0040.00416.27
7.4.240.0040.00316.38
7.4.230.0030.00316.55
7.4.220.0030.01416.32
7.4.210.0070.00716.48
7.4.200.0000.00716.55
7.4.160.0090.00616.36
7.4.150.0120.00617.40
7.4.140.0100.00717.86
7.4.130.0100.00616.49
7.4.120.0080.00916.29
7.4.110.0100.00616.46
7.4.100.0100.00716.34
7.4.90.0090.00916.54
7.4.80.0110.00716.31
7.4.70.0120.00316.34
7.4.60.0110.01216.43
7.4.50.0040.00416.27
7.4.40.0090.00616.32
7.4.30.0090.00616.55
7.4.00.0110.00314.88
7.3.330.0040.00412.97
7.3.320.0000.00512.97
7.3.310.0030.00315.95
7.3.300.0000.00616.08
7.3.290.0060.00916.01
7.3.280.0080.00916.14
7.3.270.0090.00917.40
7.3.260.0060.00916.21
7.3.250.0080.00816.17
7.3.240.0070.01016.16
7.3.230.0040.01216.39
7.3.210.0060.01316.01
7.3.200.0030.01819.39
7.3.190.0080.01216.30
7.3.180.0100.01016.45
7.3.170.0140.00616.32
7.3.160.0150.00716.14
7.2.330.0120.00916.50
7.2.320.0090.00916.31
7.2.310.0110.01016.54
7.2.300.0160.00616.59
7.2.290.0040.01816.33
7.2.00.0100.00418.96
7.1.100.0850.00716.03
7.1.70.0000.01017.15
7.1.60.0090.01519.32
7.1.50.0060.01216.74
7.1.00.0100.07022.42
7.0.200.0000.01016.30
7.0.140.0030.07321.96
7.0.60.0100.06319.95
7.0.50.0000.08317.89
7.0.40.0030.08320.40
7.0.30.0400.04720.09
7.0.20.0200.04319.99
7.0.10.0030.07020.02
7.0.00.0070.04720.00
5.6.280.0070.06721.06
5.6.210.0000.08720.62
5.6.200.0000.06318.21
5.6.190.0030.04320.61
5.6.180.0500.05020.77
5.6.170.0100.04720.37
5.6.160.0030.08020.44
5.6.150.0100.08018.21
5.6.140.0170.07018.18
5.6.130.0100.06718.10
5.6.120.0130.08021.09
5.6.110.0100.08320.96
5.6.100.0070.07020.95
5.6.90.0230.06021.11
5.6.80.0170.07020.50
5.5.350.0170.08020.47
5.5.340.0030.05717.89
5.5.330.0070.08720.43
5.5.320.0370.04720.28
5.5.310.0270.05020.34
5.5.300.0070.08017.95
5.5.290.0030.06717.90
5.5.280.0030.04320.76
5.5.270.0170.05720.75
5.5.260.0070.08320.89
5.5.250.0070.06020.57
5.5.240.0170.07320.11
5.4.450.0230.05319.59
5.4.440.0170.05019.51
5.4.430.0500.06319.63
5.4.420.0270.06319.54
5.4.410.0370.04719.46
5.4.400.0470.04719.13
5.4.390.0270.05718.95
5.4.380.0400.07018.49
5.4.370.0330.06318.61
5.4.360.0230.06718.69
5.4.350.0200.07318.52
5.4.340.0300.07018.63
5.4.320.0060.03712.45
5.4.310.0100.04312.45
5.4.300.0070.03612.45
5.4.290.0050.03812.45
5.4.280.0080.03512.34
5.4.270.0030.03912.34
5.4.260.0060.04912.35
5.4.250.0070.03712.34
5.4.240.0120.04612.35
5.4.230.0080.05212.34
5.4.220.0060.04312.34
5.4.210.0100.04912.34
5.4.200.0060.04112.34
5.4.190.0090.03412.34
5.4.180.0060.04112.34
5.4.170.0070.03812.34
5.4.160.0050.03912.34
5.4.150.0090.03412.34
5.4.140.0110.04512.02
5.4.130.0070.04212.01
5.4.120.0060.05011.97
5.4.110.0080.03511.96
5.4.100.0030.03811.96
5.4.90.0030.04011.96
5.4.80.0060.03911.96
5.4.70.0040.03811.96
5.4.60.0070.03411.96
5.4.50.0100.03011.96
5.4.40.0040.03611.95
5.4.30.0100.03011.95
5.4.20.0050.03611.95
5.4.10.0080.03211.95
5.4.00.0080.03211.44
5.3.290.0030.04212.80
5.3.280.0070.04212.71
5.3.270.0060.04512.73
5.3.260.0060.04612.72
5.3.250.0080.03912.72
5.3.240.0070.03912.72
5.3.230.0050.03812.71
5.3.220.0090.03712.68
5.3.210.0080.05912.68
5.3.200.0070.03812.68
5.3.190.0020.04012.68
5.3.180.0060.03612.67
5.3.170.0080.03812.67
5.3.160.0080.03412.67
5.3.150.0050.03912.68
5.3.140.0090.04512.66
5.3.130.0070.03812.66
5.3.120.0070.03812.66
5.3.110.0100.04012.66
5.3.100.0080.03812.12
5.3.90.0060.03912.08
5.3.80.0050.03812.08
5.3.70.0090.03312.07
5.3.60.0060.03612.07
5.3.50.0040.03912.00
5.3.40.0070.03912.00
5.3.30.0120.03911.94
5.3.20.0090.03211.72
5.3.10.0030.03811.68
5.3.00.0050.03911.68
5.2.170.0050.0319.17
5.2.160.0060.0349.17
5.2.150.0050.0429.17
5.2.140.0060.0429.17
5.2.130.0030.0319.13
5.2.120.0080.0299.13
5.2.110.0060.0369.14
5.2.100.0100.0309.13
5.2.90.0050.0319.13
5.2.80.0060.0399.13
5.2.70.0080.0319.13
5.2.60.0100.0319.09
5.2.50.0070.0349.05
5.2.40.0060.0379.03
5.2.30.0090.0289.01
5.2.20.0050.0298.99
5.2.10.0050.0358.92
5.2.00.0090.0358.77
5.1.60.0080.0258.06
5.1.50.0080.0208.05
5.1.40.0050.0318.04
5.1.30.0020.0348.39
5.1.20.0040.0318.41
5.1.10.0040.0308.13
5.1.00.0040.0368.13
5.0.50.0020.0286.61
5.0.40.0040.0206.47
5.0.30.0040.0336.28
5.0.20.0050.0206.26
5.0.10.0020.0256.23
5.0.00.0030.0326.22
4.4.90.0050.0144.78
4.4.80.0020.0164.75
4.4.70.0030.0184.76
4.4.60.0030.0194.75
4.4.50.0030.0164.77
4.4.40.0030.0294.70
4.4.30.0040.0144.76
4.4.20.0010.0174.84
4.4.10.0030.0154.85
4.4.00.0050.0264.76
4.3.110.0040.0184.67
4.3.100.0040.0144.67
4.3.90.0040.0144.64
4.3.80.0020.0264.58
4.3.70.0050.0144.63
4.3.60.0030.0144.63
4.3.50.0030.0164.63
4.3.40.0060.0254.54
4.3.30.0030.0153.27
4.3.20.0020.0193.25
4.3.10.0000.0173.21
4.3.00.0030.0206.96

preferences:
42.61 ms | 401 KiB | 5 Q