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_encode("°­©±ª±«©±«±©jbjc");

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)
8.3.60.0040.01118.43
8.3.50.0120.00822.04
8.3.40.0080.00818.83
8.3.30.0060.00919.04
8.3.20.0030.00520.25
8.3.10.0080.00020.59
8.3.00.0000.00819.38
8.2.180.0120.00316.50
8.2.170.0040.01122.96
8.2.160.0120.00619.07
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00422.25
8.2.110.0060.00321.01
8.2.100.0040.00818.04
8.2.90.0040.00418.16
8.2.80.0050.00319.16
8.2.70.0000.00817.72
8.2.60.0000.00817.92
8.2.50.0060.00318.07
8.2.40.0040.00418.04
8.2.30.0000.00719.31
8.2.20.0000.00717.86
8.2.10.0040.00417.99
8.2.00.0040.00417.66
8.1.280.0100.01025.92
8.1.270.0080.00022.19
8.1.260.0030.00526.35
8.1.250.0000.00728.09
8.1.240.0060.00322.25
8.1.230.0060.00621.04
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0090.00317.23
8.1.190.0050.00317.23
8.1.180.0040.00418.10
8.1.170.0030.00518.67
8.1.160.0060.00322.00
8.1.150.0040.00418.88
8.1.140.0040.00417.44
8.1.130.0030.00317.70
8.1.120.0040.00417.43
8.1.110.0040.00417.44
8.1.100.0000.00717.44
8.1.90.0040.00417.47
8.1.80.0030.00317.36
8.1.70.0070.00017.32
8.1.60.0060.00317.61
8.1.50.0000.00817.50
8.1.40.0000.00817.41
8.1.30.0000.00817.54
8.1.20.0030.00517.64
8.1.10.0040.00417.52
8.1.00.0000.00817.47
8.0.300.0000.00820.07
8.0.290.0040.00416.75
8.0.280.0030.00318.32
8.0.270.0040.00417.24
8.0.260.0000.00717.31
8.0.250.0030.00316.83
8.0.240.0000.00616.84
8.0.230.0020.00516.98
8.0.220.0080.00016.76
8.0.210.0030.00316.75
8.0.200.0000.00716.84
8.0.190.0000.00816.86
8.0.180.0030.00316.79
8.0.170.0000.00716.89
8.0.160.0000.00716.91
8.0.150.0050.00316.81
8.0.140.0000.00816.77
8.0.130.0030.00313.19
8.0.120.0040.00416.68
8.0.110.0040.00416.80
8.0.100.0000.00716.71
8.0.90.0080.00016.86
8.0.80.0060.01016.77
8.0.70.0000.00816.64
8.0.60.0000.00816.77
8.0.50.0070.00016.86
8.0.30.0140.00816.78
8.0.20.0160.01017.40
8.0.10.0040.00416.88
8.0.00.0100.00916.73
7.4.330.0020.00215.03
7.4.320.0000.00616.40
7.4.300.0070.00016.58
7.4.290.0000.00716.56
7.4.280.0060.00316.41
7.4.270.0030.00316.37
7.4.260.0030.00316.59
7.4.250.0000.00716.49
7.4.240.0060.00116.52
7.4.230.0000.00716.49
7.4.220.0140.00616.60
7.4.210.0090.00816.64
7.4.200.0050.00216.50
7.4.160.0130.00416.51
7.4.150.0140.00617.40
7.4.140.0110.00817.86
7.4.130.0080.01016.48
7.4.120.0070.00916.43
7.4.110.0110.00616.48
7.4.100.0100.01316.58
7.4.90.0150.00616.74
7.4.80.0120.00616.56
7.4.70.0120.00416.40
7.4.60.0080.00816.64
7.4.50.0020.00216.37
7.4.40.0030.01316.44
7.4.30.0060.01116.71
7.4.00.0080.01014.87
7.3.330.0080.00013.18
7.3.320.0030.00313.17
7.3.310.0070.00016.39
7.3.300.0000.00716.31
7.3.290.0190.00016.36
7.3.280.0090.00716.32
7.3.270.0150.00617.40
7.3.260.0090.00916.62
7.3.250.0140.00716.39
7.3.240.0070.01016.52
7.3.230.0130.00316.55
7.3.210.0060.01216.43
7.3.200.0090.01219.39
7.3.190.0060.01216.59
7.3.180.0030.01416.56
7.3.170.0110.01216.33
7.3.160.0070.01316.53
7.3.120.0100.00614.88
7.3.110.0090.00915.09
7.3.100.0090.00614.79
7.3.90.0100.00314.94
7.3.80.0040.01114.76
7.3.70.0040.00914.75
7.3.60.0070.01014.52
7.3.50.0040.00414.80
7.3.40.0120.00014.79
7.3.30.0060.00314.83
7.3.20.0070.00316.78
7.3.10.0070.01016.51
7.3.00.0060.01016.42
7.2.330.0100.00716.49
7.2.320.0030.01316.77
7.2.310.0180.00016.43
7.2.300.0030.01316.74
7.2.290.0090.01316.72
7.2.250.0030.01715.30
7.2.240.0100.01014.96
7.2.230.0000.01515.23
7.2.220.0070.00715.02
7.2.210.0000.01014.86
7.2.200.0120.00315.25
7.2.190.0040.00814.99
7.2.180.0040.00815.02
7.2.170.0000.01215.10
7.2.00.0060.00618.97
7.1.330.0100.00615.88
7.1.320.0070.00315.95
7.1.310.0000.01115.97
7.1.300.0040.00815.93
7.1.290.0030.01015.86
7.1.280.0070.00315.73
7.1.270.0050.00515.59
7.1.260.0060.00315.92
7.1.100.0060.00618.02
7.1.70.0030.00617.08
7.1.60.0100.01019.32
7.1.50.0060.01616.71
7.1.00.0070.07322.48
7.0.200.0000.00716.58
7.0.140.0000.07322.12
7.0.60.0070.04020.01
7.0.50.0070.08317.68
7.0.40.0070.05020.24
7.0.30.0270.07320.18
7.0.20.0170.05720.31
7.0.10.0000.04719.97
7.0.00.0070.08320.01
5.6.280.0030.07720.78
5.6.210.0130.07020.76
5.6.200.0030.04018.20
5.6.190.0100.07720.32
5.6.180.0370.04320.73
5.6.170.0270.06320.37
5.6.160.0100.08020.48
5.6.150.0100.07318.09
5.6.140.0100.03318.21
5.6.130.0100.06018.18
5.6.120.0100.05020.77
5.6.110.0000.09321.08
5.6.100.0130.03720.88
5.6.90.0100.07321.03
5.6.80.0100.03720.39
5.5.350.0200.06320.43
5.5.340.0070.07317.98
5.5.330.0100.07720.07
5.5.320.0470.07020.27
5.5.310.0270.07720.30
5.5.300.0070.04318.01
5.5.290.0070.08717.99
5.5.280.0070.08720.88
5.5.270.0100.06720.73
5.5.260.0130.07720.72
5.5.250.0070.08720.66
5.5.240.0100.07020.04
5.4.450.0330.07019.46
5.4.440.0300.05719.13
5.4.430.0200.04319.25
5.4.420.0270.04719.27
5.4.410.0230.08019.45
5.4.400.0330.05319.09
5.4.390.0330.04319.16
5.4.380.0300.06719.27
5.4.370.0230.03719.25
5.4.360.0300.07019.13
5.4.350.0270.03318.79
5.4.340.0270.07719.24
5.4.320.0270.06719.24
5.4.310.0230.08018.92
5.4.300.0200.07318.80
5.4.290.0270.07018.91
5.4.280.0270.06319.24
5.4.270.0130.05319.13
5.4.260.0170.04019.09
5.4.250.0430.02719.21
5.4.240.0230.07019.12
5.4.230.0300.04319.12
5.4.220.0330.07319.13
5.4.210.0330.04319.24
5.4.200.0300.04319.23
5.4.190.0400.05718.79
5.4.180.0270.04718.91
5.4.170.0270.04019.20
5.4.160.0270.05019.07
5.4.150.0230.04018.77
5.4.140.0230.07316.18
5.4.130.0200.04016.29
5.4.120.0230.04016.20
5.4.110.0270.07716.38
5.4.100.0370.03716.20
5.4.90.0370.05716.34
5.4.80.0270.03316.46
5.4.70.0300.04316.18
5.4.60.0300.07016.37
5.4.50.0200.04716.40
5.4.40.0230.04316.27
5.4.30.0230.04016.36
5.4.20.0370.06016.40
5.4.10.0470.05016.41
5.4.00.0370.06315.63
5.3.290.0230.06714.71
5.3.280.0230.04014.44
5.3.270.0400.06014.65
5.3.260.0200.05314.51
5.3.250.0230.03314.46
5.3.240.0200.04014.55
5.3.230.0230.03714.52
5.3.220.0270.05714.51
5.3.210.0300.04714.45
5.3.200.0430.05714.51
5.3.190.0370.03714.51
5.3.180.0300.05314.41
5.3.170.0330.06314.50
5.3.160.0330.07014.40
5.3.150.0370.05714.56
5.3.140.0230.06714.60
5.3.130.0230.03714.53
5.3.120.0300.07014.44
5.3.110.0300.04714.39
5.3.100.0270.07014.01
5.3.90.0270.07013.95
5.3.80.0300.06713.87
5.3.70.0330.06313.87
5.3.60.0270.06714.07
5.3.50.0230.04013.77
5.3.40.0270.05713.79
5.3.30.0230.03713.93
5.3.20.0230.03713.68
5.3.10.0230.04713.70
5.3.00.0300.07013.62
5.2.170.0200.03011.08
5.2.160.0230.06011.00
5.2.150.0170.04011.00
5.2.140.0230.05711.23
5.2.130.0270.04310.95
5.2.120.0300.04010.96
5.2.110.0200.02711.04
5.2.100.0170.03711.11
5.2.90.0270.04011.11
5.2.80.0200.05711.14
5.2.70.0200.03011.05
5.2.60.0230.06010.89
5.2.50.0230.06011.06
5.2.40.0200.04710.83
5.2.30.0230.03311.12
5.2.20.0170.06011.06
5.2.10.0200.05710.87
5.2.00.0230.03310.61
5.1.60.0170.02310.04
5.1.50.0170.0279.97
5.1.40.0200.02710.07
5.1.30.0230.04010.48
5.1.20.0270.05010.25
5.1.10.0130.0279.95
5.1.00.0170.04310.14
5.0.50.0100.0209.79
5.0.40.0070.0309.79
5.0.30.0170.0409.79
5.0.20.0070.0479.79
5.0.10.0170.0379.79
5.0.00.0100.0639.79
4.4.90.0100.0339.99
4.4.80.0100.0239.99
4.4.70.0100.0339.99
4.4.60.0130.0309.99
4.4.50.0170.0279.79
4.4.40.0100.0339.79
4.4.30.0070.0239.79
4.4.20.0100.0179.79
4.4.10.0070.0179.79
4.4.00.0070.0509.79
4.3.110.0130.0279.79
4.3.100.0230.0079.79
4.3.90.0100.0379.79
4.3.80.0200.0339.79
4.3.70.0130.0309.79
4.3.60.0100.0209.79
4.3.50.0070.0309.79
4.3.40.0100.0509.79
4.3.30.0030.0379.79
4.3.20.0100.0309.79
4.3.10.0030.0339.79
4.3.00.0070.0179.79

preferences:
52.51 ms | 401 KiB | 5 Q