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('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)
8.3.60.0070.01118.55
8.3.50.0140.00017.86
8.3.40.0110.00418.73
8.3.30.0090.00919.00
8.3.20.0080.00020.21
8.3.10.0040.00420.36
8.3.00.0080.00019.26
8.2.180.0120.00316.75
8.2.170.0070.01122.96
8.2.160.0030.01020.35
8.2.150.0060.00324.18
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0000.00822.09
8.2.110.0060.00321.96
8.2.100.0060.00617.71
8.2.90.0050.00319.14
8.2.80.0000.00817.97
8.2.70.0000.00917.50
8.2.60.0090.00017.93
8.2.50.0060.00318.07
8.2.40.0060.00318.09
8.2.30.0000.00719.29
8.2.20.0000.00717.70
8.2.10.0040.00417.93
8.2.00.0070.00017.64
8.1.280.0080.00825.92
8.1.270.0040.00423.79
8.1.260.0020.00526.35
8.1.250.0070.00028.09
8.1.240.0090.00023.95
8.1.230.0090.00319.00
8.1.220.0060.00317.74
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0040.00417.10
8.1.180.0000.00818.10
8.1.170.0040.00418.36
8.1.160.0070.00021.87
8.1.150.0040.00418.84
8.1.140.0060.00317.36
8.1.130.0030.00317.76
8.1.120.0040.00417.23
8.1.110.0040.00417.19
8.1.100.0030.00317.33
8.1.90.0040.00417.32
8.1.80.0040.00417.21
8.1.70.0030.00317.18
8.1.60.0000.00917.41
8.1.50.0040.00417.26
8.1.40.0000.00717.39
8.1.30.0000.00817.38
8.1.20.0000.00817.48
8.1.10.0040.00417.36
8.1.00.0000.00717.34
8.0.300.0000.00919.15
8.0.290.0080.00016.63
8.0.280.0000.00718.42
8.0.270.0030.00317.22
8.0.260.0000.00617.17
8.0.250.0000.00716.86
8.0.240.0000.00716.86
8.0.230.0000.00716.82
8.0.220.0000.00716.74
8.0.210.0030.00316.74
8.0.200.0000.00816.67
8.0.190.0000.00816.72
8.0.180.0030.00316.67
8.0.170.0040.00416.84
8.0.160.0070.00016.64
8.0.150.0000.00716.77
8.0.140.0070.00016.61
8.0.130.0050.00013.14
8.0.120.0060.00316.78
8.0.110.0070.00016.69
8.0.100.0070.00016.79
8.0.90.0070.00016.64
8.0.80.0090.00616.66
8.0.70.0070.00016.69
8.0.60.0000.00716.66
8.0.50.0000.00716.77
8.0.30.0120.00616.93
8.0.20.0060.01317.40
8.0.10.0000.00716.88
8.0.00.0070.01316.77
7.4.330.0050.00015.00
7.4.320.0030.00316.26
7.4.300.0030.00316.45
7.4.290.0000.00716.49
7.4.280.0000.00716.46
7.4.270.0000.00716.48
7.4.260.0000.00816.33
7.4.250.0040.00416.22
7.4.240.0020.00516.37
7.4.230.0050.00316.18
7.4.220.0070.01016.32
7.4.210.0000.01416.50
7.4.200.0000.00716.15
7.4.160.0070.01016.32
7.4.150.0090.00917.40
7.4.140.0120.01217.86
7.4.130.0080.00816.46
7.4.120.0060.01216.48
7.4.110.0080.00816.27
7.4.100.0100.00716.46
7.4.90.0100.00716.36
7.4.80.0080.00816.57
7.4.70.0100.00616.37
7.4.60.0030.01316.58
7.4.50.0050.00316.24
7.4.40.0080.00816.27
7.4.30.0120.00416.42
7.4.00.0120.00314.68
7.3.330.0060.00313.05
7.3.320.0000.00512.86
7.3.310.0000.00716.01
7.3.300.0070.00016.12
7.3.290.0030.01316.07
7.3.280.0060.01116.16
7.3.270.0100.00617.40
7.3.260.0130.00316.36
7.3.250.0110.00916.13
7.3.240.0090.00916.37
7.3.230.0070.01016.39
7.3.210.0130.00316.21
7.3.200.0060.01119.39
7.3.190.0070.01116.46
7.3.180.0030.01316.23
7.3.170.0140.00716.27
7.3.160.0090.01216.29
7.3.10.0030.00916.47
7.3.00.0060.00616.56
7.2.330.0060.01616.56
7.2.320.0130.00316.41
7.2.310.0070.01016.23
7.2.300.0170.00516.28
7.2.290.0120.00916.47
7.2.130.0070.00716.71
7.2.120.0060.01016.61
7.2.110.0460.00716.51
7.2.100.0570.00816.65
7.2.90.0100.00516.74
7.2.80.0110.00216.61
7.2.70.0150.00816.80
7.2.60.0150.00316.72
7.2.50.0050.00616.84
7.2.40.0090.00616.92
7.2.30.0150.00816.65
7.2.20.0090.00516.75
7.2.10.0060.01116.87
7.2.00.0010.01217.37
7.1.250.0040.01415.66
7.1.230.0080.00815.59
7.1.220.0000.01415.61
7.1.210.0100.00515.35
7.1.200.0430.00615.72
7.1.190.0100.00715.50
7.1.180.0100.00715.35
7.1.170.0100.01315.52
7.1.160.0100.00415.35
7.1.150.0120.00615.50
7.1.140.0260.00315.55
7.1.130.0050.01015.65
7.1.120.0120.00215.23
7.1.110.0000.01415.74
7.1.100.0430.00415.84
7.1.90.0110.00415.50
7.1.80.0040.01315.73
7.1.70.0100.00516.46
7.1.60.0170.00617.63
7.1.50.0060.01216.11
7.1.40.0260.00415.77
7.1.30.0130.00515.77
7.1.20.0180.00815.47
7.1.10.0120.00315.71
7.1.00.0070.04218.86
7.0.310.0360.00415.28
7.0.300.0110.00615.26
7.0.290.0230.00015.06
7.0.280.0060.00615.01
7.0.270.0070.00714.98
7.0.260.0150.01315.27
7.0.250.0260.00415.30
7.0.240.0120.00815.27
7.0.230.0060.01115.33
7.0.220.0070.00715.04
7.0.210.0290.00015.34
7.0.200.0460.00715.66
7.0.190.0250.00915.07
7.0.180.0030.01315.18
7.0.170.0090.00615.21
7.0.160.0160.00714.99
7.0.150.0110.00415.40
7.0.140.0080.03718.61
7.0.130.0140.00015.06
7.0.120.0230.00715.48
7.0.110.0070.00715.47
7.0.100.0730.00315.09
7.0.90.0050.01015.16
7.0.80.0140.00415.41
7.0.70.0110.00615.41
7.0.60.0140.03917.65
7.0.50.0090.03416.51
7.0.40.0120.04316.75
7.0.30.0180.03216.73
7.0.20.0120.02716.67
7.0.10.0110.04116.62
7.0.00.0090.03016.61
5.6.380.0000.01614.23
5.6.370.0100.00514.13
5.6.360.0120.00314.18
5.6.350.0080.00814.32
5.6.340.0150.00013.96
5.6.330.0100.00714.04
5.6.320.0090.00514.03
5.6.310.0140.00014.31
5.6.300.0110.00214.16
5.6.290.0130.00414.43
5.6.280.0060.03917.49
5.6.270.0080.00814.20
5.6.260.0110.00314.09
5.6.250.0110.00413.97
5.6.240.0110.00714.29
5.6.230.0070.00714.05
5.6.220.0090.00313.99
5.6.210.0120.03817.44
5.6.200.0060.02516.11
5.6.190.0070.03817.29
5.6.180.0330.02817.17
5.6.170.0250.01817.30
5.6.160.0080.02617.30
5.6.150.0040.02916.13
5.6.140.0130.01716.20
5.6.130.0090.03016.34
5.6.120.0120.04217.39
5.6.110.0130.02717.48
5.6.100.0250.03517.59
5.6.90.0110.03317.66
5.6.80.0090.03717.25
5.6.70.0060.00613.89
5.6.60.0090.00214.13
5.6.50.0080.00414.26
5.6.40.0060.00714.14
5.6.30.0060.00614.18
5.6.20.0030.00914.18
5.6.10.0030.01014.08
5.6.00.0040.01014.14
5.5.380.0080.00510.82
5.5.370.0110.00010.66
5.5.360.0000.01010.90
5.5.350.0130.02815.74
5.5.340.0040.02214.51
5.5.330.0070.03815.61
5.5.320.0210.04115.41
5.5.310.0130.02315.60
5.5.300.0130.03514.31
5.5.290.0090.02314.38
5.5.280.0060.02315.73
5.5.270.0060.04116.00
5.5.260.0080.03515.86
5.5.250.0090.03415.77
5.5.240.2040.02115.58
5.5.230.0070.00311.02
5.5.220.0090.00310.66
5.5.210.0110.00310.69
5.5.200.0060.00310.86
5.5.190.0090.00010.71
5.5.180.0000.00910.99
5.5.170.0120.00013.81
5.5.160.0040.00410.79
5.5.150.0110.00010.57
5.5.140.0060.00310.66
5.5.130.0100.00010.93
5.5.120.0080.00610.39
5.5.110.0120.00010.62
5.5.100.0090.00010.43
5.5.90.0120.00010.40
5.5.80.0030.01010.70
5.5.70.0070.00310.73
5.5.60.0110.00010.89
5.5.50.0070.00310.73
5.5.40.0050.00310.94
5.5.30.0100.00010.81
5.5.20.0100.00010.69
5.5.10.0040.00410.83
5.5.00.0050.00310.66
5.4.450.0240.03115.07
5.4.440.0160.02715.06
5.4.430.0200.03015.19
5.4.420.0050.03114.97
5.4.410.0230.04314.94
5.4.400.0170.03015.07
5.4.390.0150.04214.94
5.4.380.0230.03014.69
5.4.370.0240.02614.47
5.4.360.0250.03114.46
5.4.350.0330.03214.71
5.4.340.0210.02814.59
5.4.330.0040.00410.69
5.4.320.0090.02011.50
5.4.310.0060.02211.45
5.4.300.0080.02111.64
5.4.290.0060.02711.52
5.4.280.0090.01811.54
5.4.270.0050.02011.38
5.4.260.0050.02511.55
5.4.250.0060.02111.66
5.4.240.0090.02011.53
5.4.230.0070.02111.56
5.4.220.0070.02011.49
5.4.210.0070.01911.70
5.4.200.0060.02111.52
5.4.190.0070.01811.63
5.4.180.0040.02611.55
5.4.170.0100.01611.67
5.4.160.0040.02111.57
5.4.150.0040.02711.69
5.4.140.0100.02011.29
5.4.130.0040.02111.43
5.4.120.0060.02011.27
5.4.110.0080.02211.25
5.4.100.0100.01811.40
5.4.90.0070.02311.37
5.4.80.0060.02311.46
5.4.70.0050.02311.27
5.4.60.0070.01911.27
5.4.50.0080.02311.36
5.4.40.0070.01711.36
5.4.30.0090.01911.37
5.4.20.0080.01811.31
5.4.10.0070.02311.33
5.4.00.0040.02111.14
5.3.290.0070.02611.52
5.3.280.0060.02511.41
5.3.270.0070.02511.53
5.3.260.0100.01911.48
5.3.250.0070.02211.55
5.3.240.0070.01911.49
5.3.230.0050.02111.54
5.3.220.0050.02511.42
5.3.210.0060.02111.48
5.3.200.0070.02111.34
5.3.190.0090.02111.51
5.3.180.0070.02111.43
5.3.170.0050.02211.43
5.3.160.0060.02211.51
5.3.150.0100.02111.49
5.3.140.0100.02011.35
5.3.130.0070.02411.50
5.3.120.0060.02411.54
5.3.110.0040.02411.54
5.3.100.0070.01811.23
5.3.90.0050.01911.15
5.3.80.0060.02411.10
5.3.70.0040.02511.09
5.3.60.0050.02111.17
5.3.50.0080.02211.07
5.3.40.0070.02211.10
5.3.30.0060.01811.09
5.3.20.0050.02210.98
5.3.10.0070.02110.86
5.3.00.0060.02310.86
5.2.170.0070.0159.30
5.2.160.0060.0189.27
5.2.150.0050.0189.27
5.2.140.0050.0179.27
5.2.130.0040.0179.25
5.2.120.0060.0169.25
5.2.110.0060.0169.27
5.2.100.0050.0169.25
5.2.90.0070.0159.25
5.2.80.0100.0149.25
5.2.70.0050.0189.25
5.2.60.0050.0189.23
5.2.50.0050.0189.21
5.2.40.0070.0149.20
5.2.30.0030.0199.19
5.2.20.0060.0159.18
5.2.10.0060.0209.14
5.2.00.0040.0169.07
5.1.60.0040.0148.71
5.1.50.0030.0178.71
5.1.40.0040.0148.70
5.1.30.0070.0148.88
5.1.20.0040.0158.89
5.1.10.0030.0158.75
5.1.00.0050.0138.75
5.0.50.0020.0127.99
5.0.40.0030.0127.92
5.0.30.0010.0217.83
5.0.20.0070.0127.81
5.0.10.0040.0147.80
5.0.00.0020.0197.80
4.4.90.0020.0107.07
4.4.80.0020.0107.06
4.4.70.0030.0097.06
4.4.60.0010.0097.06
4.4.50.0020.0097.07
4.4.40.0020.0147.04
4.4.30.0040.0067.06
4.4.20.0040.0077.11
4.4.10.0030.0117.11
4.4.00.0020.0167.06
4.3.110.0020.0117.02
4.3.100.0010.0107.02
4.3.90.0020.0097.00
4.3.80.0020.0136.98
4.3.70.0020.0107.00
4.3.60.0020.0107.00
4.3.50.0020.0117.00
4.3.40.0020.0146.95
4.3.30.0010.0136.32
4.3.20.0010.0156.31
4.3.10.0050.0096.29
4.3.00.0050.0118.17

preferences:
75.64 ms | 400 KiB | 5 Q