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_decode('????????????igmf');

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)
8.3.60.0070.00718.31
8.3.50.0090.01121.94
8.3.40.0040.01118.54
8.3.30.0070.01019.11
8.3.20.0000.00820.35
8.3.10.0040.00420.54
8.3.00.0060.00319.38
8.2.180.0070.01016.63
8.2.170.0070.00722.96
8.2.160.0070.00720.53
8.2.150.0030.00524.18
8.2.140.0070.00324.66
8.2.130.0080.00026.16
8.2.120.0040.00422.02
8.2.110.0060.00320.46
8.2.100.0110.00017.78
8.2.90.0040.00419.28
8.2.80.0080.00017.97
8.2.70.0090.00417.00
8.2.60.0000.00718.04
8.2.50.0090.00518.07
8.2.40.0070.00318.22
8.2.30.0040.00419.42
8.2.20.0040.00417.65
8.2.10.0000.00817.91
8.2.00.0080.00017.60
8.1.280.0110.00425.92
8.1.270.0030.00622.09
8.1.260.0080.00026.35
8.1.250.0030.00628.09
8.1.240.0040.00423.91
8.1.230.0050.00520.96
8.1.220.0070.00017.74
8.1.210.0000.00818.77
8.1.200.0000.00917.22
8.1.190.0040.00417.10
8.1.180.0040.00418.10
8.1.170.0000.00918.48
8.1.160.0040.00421.85
8.1.150.0040.00418.67
8.1.140.0040.00417.27
8.1.130.0000.00717.62
8.1.120.0030.00517.22
8.1.110.0040.00417.29
8.1.100.0040.00417.22
8.1.90.0070.00017.33
8.1.80.0030.00317.34
8.1.70.0040.00417.28
8.1.60.0050.00217.44
8.1.50.0000.00917.42
8.1.40.0040.00417.30
8.1.30.0040.00417.54
8.1.20.0000.00817.55
8.1.10.0000.00717.46
8.1.00.0030.00517.34
8.0.300.0000.00718.77
8.0.290.0000.00716.63
8.0.280.0040.00418.27
8.0.270.0000.00717.17
8.0.260.0000.00617.18
8.0.250.0000.00716.85
8.0.240.0000.00616.87
8.0.230.0030.00316.71
8.0.220.0000.00716.70
8.0.210.0000.00616.65
8.0.200.0000.00716.70
8.0.190.0000.00716.85
8.0.180.0030.00316.73
8.0.170.0070.00016.80
8.0.160.0070.00016.74
8.0.150.0000.00716.73
8.0.140.0070.00016.59
8.0.130.0000.00513.14
8.0.120.0040.00416.65
8.0.110.0030.00516.77
8.0.100.0040.00416.62
8.0.90.0030.00516.78
8.0.80.0070.00716.76
8.0.70.0000.00816.68
8.0.60.0030.00316.81
8.0.50.0000.00816.57
8.0.30.0070.01116.96
8.0.20.0130.00617.40
8.0.10.0000.00716.69
8.0.00.0060.01616.57
7.4.330.0050.00015.00
7.4.320.0030.00316.45
7.4.300.0030.00316.45
7.4.290.0040.00416.38
7.4.280.0050.00316.48
7.4.270.0030.00316.37
7.4.260.0000.00816.39
7.4.250.0050.00216.34
7.4.240.0030.00316.39
7.4.230.0040.00416.27
7.4.220.0000.01816.40
7.4.210.0070.00716.23
7.4.200.0000.00716.39
7.4.160.0060.00916.44
7.4.150.0150.00317.40
7.4.140.0090.00817.86
7.4.130.0050.01116.39
7.4.120.0090.00716.28
7.4.110.0130.00316.34
7.4.100.0090.00916.45
7.4.90.0060.01116.27
7.4.80.0090.00916.43
7.4.70.0110.01116.54
7.4.60.0090.00616.35
7.4.50.0030.00516.38
7.4.40.0100.00616.52
7.4.30.0000.01516.43
7.4.00.0080.00814.89
7.3.330.0000.00613.00
7.3.320.0020.00212.88
7.3.310.0060.00016.18
7.3.300.0070.00015.93
7.3.290.0120.00316.17
7.3.280.0070.00816.12
7.3.270.0110.00717.40
7.3.260.0090.00816.11
7.3.250.0100.00716.12
7.3.240.0030.01916.07
7.3.230.0070.01016.39
7.3.210.0200.00016.29
7.3.200.0140.00319.39
7.3.190.0110.00616.25
7.3.180.0090.00616.35
7.3.170.0090.00916.33
7.3.160.0140.00716.21
7.3.10.0150.00016.35
7.3.00.0070.00716.53
7.2.330.0060.01516.64
7.2.320.0110.00816.59
7.2.310.0060.01216.21
7.2.300.0100.00616.48
7.2.290.0110.01116.25
7.2.130.0060.00616.57
7.2.120.0060.00916.40
7.2.110.0100.00016.36
7.2.100.0000.00916.49
7.2.90.0070.00716.64
7.2.80.0030.01016.93
7.2.70.0060.01016.35
7.2.60.0030.01016.66
7.2.50.0030.01316.55
7.2.40.0040.00716.75
7.2.30.0040.00416.83
7.2.20.0090.00616.65
7.2.10.0030.01316.72
7.2.00.0080.00317.87
7.1.250.0110.00415.46
7.1.100.0040.01118.13
7.1.70.0080.00016.67
7.1.60.0070.01719.32
7.1.50.0040.01216.77
7.1.00.0030.07722.48
7.0.200.0000.01016.45
7.0.140.0070.07022.19
7.0.110.0200.07319.90
7.0.100.0000.08019.95
7.0.90.0100.07319.96
7.0.80.0030.07720.04
7.0.70.0100.07720.02
7.0.60.0070.08019.93
7.0.50.0070.05319.97
7.0.40.0100.07719.68
7.0.30.0100.08019.85
7.0.20.0070.08019.75
7.0.10.0130.08019.75
7.0.00.0070.07719.64
5.6.280.0000.07320.78
5.6.260.0170.07020.59
5.6.250.0100.07720.63
5.6.240.0100.08320.57
5.6.230.0070.07320.61
5.6.220.0070.07720.54
5.6.210.0100.07720.61
5.6.200.0070.08320.66
5.6.190.0100.07720.70
5.6.180.0130.07320.55
5.6.170.0200.07320.64
5.6.160.0070.07720.55
5.6.150.0130.07320.84
5.6.140.0070.05020.55
5.6.130.0130.07320.57
5.6.120.0100.07720.64
5.6.110.0070.08320.68
5.6.100.0030.04320.61
5.6.90.0070.04320.82
5.6.80.0100.07319.99
5.6.70.0030.06720.05
5.6.60.0100.07719.99
5.6.50.0100.07019.99
5.6.40.0070.04319.98
5.6.30.0170.03720.05
5.6.20.0030.08319.96
5.6.10.0130.07020.04
5.6.00.0030.07319.94
5.5.380.0130.07317.62
5.5.370.0130.07017.53
5.5.360.0070.07317.63
5.5.350.0070.08017.66
5.5.340.0030.08318.00
5.5.330.0100.07718.13
5.5.320.0070.08018.13
5.5.310.0100.07318.25
5.5.300.0100.07718.13
5.5.290.0030.06018.16
5.5.280.0030.06018.12
5.5.270.0030.08318.24
5.5.260.0030.06317.84
5.5.250.0170.07317.67
5.5.240.0030.07717.27
5.5.230.0030.04017.54
5.5.220.0170.07017.21
5.5.210.0100.07017.22
5.5.200.0000.08017.51
5.5.190.0030.07717.47
5.5.180.0130.07717.24
5.5.160.0100.07717.19
5.5.150.0170.06717.21
5.5.140.0100.06717.48
5.5.130.0070.05717.33
5.5.120.0130.07017.60
5.5.110.0030.05717.20
5.5.100.0100.07017.27
5.5.90.0070.04317.34
5.5.80.0130.06717.38
5.5.70.0100.07717.26
5.5.60.0070.04017.00
5.5.50.0130.07317.25
5.5.40.0100.07717.11
5.5.30.0100.06017.36
5.5.20.0130.04317.10
5.5.10.0070.07717.23
5.5.00.0000.08317.08
5.4.450.0130.09019.36
5.4.440.0100.06719.27
5.4.430.0030.05719.44
5.4.420.0000.05019.59
5.4.410.0070.07019.22
5.4.400.0130.07018.95
5.4.390.0100.07719.08
5.4.380.0100.06719.12
5.4.370.0070.07319.11
5.4.360.0130.07719.01
5.4.350.0030.08019.00
5.4.340.0070.07018.99
5.4.320.0030.07718.93
5.4.310.0100.07719.13
5.4.300.0030.08019.17
5.4.290.0070.07318.95
5.4.280.0100.07318.95
5.4.270.0130.06319.02
5.4.260.0100.07319.27
5.4.250.0070.07719.18
5.4.240.0070.04719.07
5.4.230.0100.06319.04
5.4.220.0030.04318.94
5.4.210.0000.07318.94
5.4.200.0100.04719.11
5.4.190.0070.07718.99
5.4.180.0100.07319.26
5.4.170.0030.07319.23
5.4.160.0130.07018.91
5.4.150.0030.08319.07
5.4.140.0130.06316.26
5.4.130.0070.07016.15
5.4.120.0200.06316.51
5.4.110.0030.07716.48
5.4.100.0170.06016.39
5.4.90.0100.07016.51
5.4.80.0070.07316.11
5.4.70.0130.06316.36
5.4.60.0030.04716.35
5.4.50.0070.07016.21
5.4.40.0070.06016.31
5.4.30.0070.06716.46
5.4.20.0030.08016.09
5.4.10.0130.06716.20
5.4.00.0130.06715.70
5.3.290.0070.08314.59
5.3.280.0130.03714.59
5.3.270.0030.05014.63
5.3.260.0100.07014.67
5.3.250.0100.04314.50
5.3.240.0100.07014.59
5.3.230.0070.06714.45
5.3.220.0100.07314.55
5.3.210.0070.08314.48
5.3.200.0070.07314.39
5.3.190.0030.04314.52
5.3.180.0070.04314.40
5.3.170.0100.07014.50
5.3.160.0030.08014.47
5.3.150.0070.04314.58
5.3.140.0070.07314.61
5.3.130.0030.08014.41
5.3.120.0070.07314.43
5.3.110.0100.07714.61
5.3.100.0100.07014.04
5.3.90.0000.07714.04
5.3.80.0000.04713.94
5.3.70.0030.07313.93
5.3.60.0000.07714.01
5.3.50.0130.06313.84
5.3.40.0170.06314.03
5.3.30.0130.06714.00
5.3.20.0070.05013.71
5.3.10.0130.06713.68
5.3.00.0070.07713.73
5.2.170.0000.05011.14
5.2.160.0070.06011.06
5.2.150.0070.06011.15
5.2.140.0070.06011.02
5.2.130.0070.06011.08
5.2.120.0000.05711.03
5.2.110.0070.05711.16
5.2.100.0100.05711.00
5.2.90.0030.06011.17
5.2.80.0030.06010.89
5.2.70.0030.06311.25
5.2.60.0030.05310.98
5.2.50.0000.03011.07
5.2.40.0030.02711.01
5.2.30.0070.02310.90
5.2.20.0000.04710.90
5.2.10.0070.02310.76
5.2.00.0030.02710.64
5.1.60.0000.02710.16
5.1.50.0000.02710.16
5.1.40.0070.02010.21
5.1.30.0030.03010.45
5.1.20.0000.02710.25
5.1.10.0070.02710.16
5.1.00.0000.02310.16
5.0.50.0000.02010.16
5.0.40.0030.01710.16
5.0.30.0030.03010.16
5.0.20.0030.01710.16
5.0.10.0000.02010.16
5.0.00.0000.03010.16
4.4.90.0000.01710.16
4.4.80.0030.01310.16
4.4.70.0000.01710.16
4.4.60.0000.02710.16
4.4.50.0000.01710.16
4.4.40.0030.02310.16
4.4.30.0070.01310.16
4.4.20.0000.02310.16
4.4.10.0030.01310.16
4.4.00.0030.02310.16
4.3.110.0000.02010.16
4.3.100.0030.01710.16
4.3.90.0000.01710.16
4.3.80.0000.04010.16
4.3.70.0000.02010.16
4.3.60.0000.01710.16
4.3.50.0000.03010.16
4.3.40.0000.03310.16
4.3.30.0030.02710.16
4.3.20.0000.02010.16
4.3.10.0000.01710.16
4.3.00.0000.01310.16

preferences:
43.25 ms | 401 KiB | 5 Q