3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "COe1rdm1"; $str[0] = chr(ord($str[0]) + hexdec('6b') - hexdec('42')); $str[1] = chr(ord($str[1]) + hexdec('61') - hexdec('65')); $str[2] = chr(ord($str[2]) + hexdec('61') - hexdec('65')); $str[3] = chr(ord($str[3]) + hexdec('79') - hexdec('47')); $str[4] = chr(ord($str[4]) - hexdec('79') + hexdec('47')); $str[5] = chr(ord($str[5]) - hexdec('62') + hexdec('65')); $str[6] = chr(ord($str[6]) - hexdec('61') + hexdec('65')); $str[7] = chr(ord($str[7]) - hexdec('42') + hexdec('6B')); var_dump($str);

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)
8.3.60.0120.00318.43
8.3.50.0110.00718.04
8.3.40.0130.00718.97
8.3.30.0070.00719.25
8.3.20.0070.00020.16
8.3.10.0040.00421.91
8.3.00.0050.00319.13
8.2.180.0060.00918.16
8.2.170.0000.01422.96
8.2.160.0090.00920.52
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0030.00619.24
8.2.110.0090.00021.96
8.2.100.0120.00017.88
8.2.90.0040.00419.26
8.2.80.0030.00517.97
8.2.70.0030.00617.38
8.2.60.0030.00617.93
8.2.50.0000.00818.07
8.2.40.0000.00819.95
8.2.30.0040.00418.21
8.2.20.0080.00017.76
8.2.10.0000.00818.21
8.2.00.0050.00217.75
8.1.280.0120.00925.92
8.1.270.0050.00318.95
8.1.260.0000.00726.35
8.1.250.0070.00028.09
8.1.240.0040.00422.62
8.1.230.0040.00817.42
8.1.220.0030.00517.75
8.1.210.0030.00518.77
8.1.200.0000.00917.25
8.1.190.0030.00517.36
8.1.180.0000.00818.10
8.1.170.0080.00020.28
8.1.160.0000.00721.97
8.1.150.0020.00518.95
8.1.140.0030.00517.52
8.1.130.0070.00017.79
8.1.120.0030.00617.57
8.1.110.0040.00417.35
8.1.100.0070.00017.48
8.1.90.0070.00017.50
8.1.80.0000.00717.45
8.1.70.0030.00317.37
8.1.60.0040.00417.60
8.1.50.0000.00917.57
8.1.40.0000.00817.55
8.1.30.0000.00817.58
8.1.20.0000.00817.59
8.1.10.0040.00417.59
8.1.00.0060.00317.55
8.0.300.0000.00818.77
8.0.290.0040.00416.75
8.0.280.0030.00318.39
8.0.270.0030.00317.89
8.0.260.0030.00317.36
8.0.250.0030.00317.01
8.0.240.0060.00016.97
8.0.230.0000.00716.98
8.0.220.0030.00316.97
8.0.210.0000.00716.84
8.0.200.0040.00416.96
8.0.190.0050.00216.88
8.0.180.0070.00016.96
8.0.170.0040.00416.98
8.0.160.0050.00316.82
8.0.150.0040.00316.82
8.0.140.0040.00416.80
8.0.130.0040.00513.36
8.0.120.0040.00416.82
8.0.110.0060.00316.83
8.0.100.0040.00416.82
8.0.90.0070.00016.98
8.0.80.0060.01016.92
8.0.70.0040.00416.77
8.0.60.0000.00716.78
8.0.50.0000.00716.81
8.0.30.0100.01216.97
8.0.20.0120.00717.40
8.0.10.0030.00316.95
8.0.00.0090.01016.61
7.4.330.0050.00015.03
7.4.320.0000.00716.57
7.4.300.0040.00416.65
7.4.290.0030.00316.61
7.4.280.0000.00716.43
7.4.270.0030.00316.53
7.4.260.0030.00316.59
7.4.250.0040.00416.49
7.4.240.0030.00416.62
7.4.230.0000.00716.56
7.4.220.0070.01016.65
7.4.210.0150.00516.73
7.4.200.0000.00716.40
7.4.160.0100.00716.44
7.4.150.0070.01017.40
7.4.140.0130.00517.86
7.4.130.0120.00616.52
7.4.120.0110.01016.57
7.4.110.0090.00916.52
7.4.100.0000.01716.56
7.4.90.0100.01316.64
7.4.80.0170.00319.39
7.4.70.0060.00916.39
7.4.60.0120.00616.63
7.4.50.0000.00516.68
7.4.40.0000.01616.61
7.4.30.0070.01016.43
7.4.00.0070.01014.87
7.3.330.0030.00313.04
7.3.320.0090.00313.08
7.3.310.0070.00016.23
7.3.300.0030.00316.14
7.3.290.0000.00916.29
7.3.280.0080.01016.31
7.3.270.0180.00417.40
7.3.260.0060.01116.68
7.3.250.0110.00916.30
7.3.240.0200.00316.59
7.3.230.0130.00916.43
7.3.210.0060.01116.27
7.3.200.0090.01119.39
7.3.190.0060.01016.42
7.3.180.0060.00916.30
7.3.170.0110.00916.35
7.3.160.0060.01816.23
7.2.330.0090.00916.74
7.2.320.0140.00316.46
7.2.310.0130.01016.56
7.2.300.0090.00816.63
7.2.290.0000.01916.44
7.2.00.0000.01319.54
7.1.100.0080.00318.18
7.1.70.0070.00316.97
7.1.60.0170.00719.50
7.1.50.0100.01317.05
7.1.00.0030.07722.57
7.0.200.0180.01114.86
7.0.140.0070.06022.12
7.0.60.0170.06320.00
7.0.50.0030.08317.83
7.0.40.0170.07020.08
7.0.30.0270.08020.09
7.0.20.0200.06320.33
7.0.10.0370.07720.16
7.0.00.0130.07720.11
5.6.280.0030.07321.05
5.6.210.0070.03720.55
5.6.200.0030.08718.10
5.6.190.0030.05020.43
5.6.180.0200.05320.32
5.6.170.0270.06720.38
5.6.160.0100.04020.41
5.6.150.0030.04318.22
5.6.140.0030.07318.14
5.6.130.0070.08018.12
5.6.120.0030.08721.00
5.6.110.0130.06721.02
5.6.100.0100.08020.96
5.6.90.0070.08021.04
5.6.80.0030.06020.40
5.6.70.0170.04720.44
5.5.350.0270.07020.45
5.5.340.0070.05017.98
5.5.330.0070.05320.28
5.5.320.0030.04020.23
5.5.310.0330.06320.56
5.5.300.0130.04718.00
5.5.290.0070.04717.97
5.5.280.0000.05020.80
5.5.270.0100.07720.88
5.5.260.0030.05020.96
5.5.250.0030.07720.59
5.5.240.0000.05320.27
5.4.450.0330.05019.63
5.4.440.0900.06019.10
5.4.430.0230.06319.52
5.4.420.1330.05719.41
5.4.410.0170.05018.93
5.4.400.0330.05718.70
5.4.390.0470.05318.68
5.4.380.0400.05318.74
5.4.370.0400.05318.74
5.4.360.0370.05718.56
5.4.350.0230.06318.69
5.4.340.0530.05018.77
5.4.320.0470.05718.69
5.4.310.0300.06018.68
5.4.300.0330.07018.71
5.4.290.0470.04018.58
5.4.280.0670.06718.67
5.4.270.0430.06318.66
5.4.260.0400.06018.67
5.4.250.0470.08018.58
5.4.240.0370.08018.73
5.4.230.0400.06718.70
5.4.220.0600.06318.54
5.4.210.0470.06718.72
5.4.200.0570.06016.63
5.4.190.0370.07718.61
5.4.180.0370.05718.48
5.4.170.0370.07018.62
5.4.160.0400.07018.45
5.4.150.0600.06318.69
5.4.140.0470.06016.10
5.4.130.0470.07316.07
5.4.120.0500.06716.17
5.4.110.0370.04316.25
5.4.100.0330.07316.30
5.4.90.0230.06316.20
5.4.80.0570.06016.21
5.4.70.0530.06316.30
5.4.60.0370.05016.18
5.4.50.0300.04716.29
5.4.40.0430.04016.04
5.4.30.0130.06016.09
5.4.20.0400.05016.14
5.4.10.0270.06316.27
5.4.00.0330.05015.63
5.3.290.0430.05714.58
5.3.280.0530.06014.55
5.3.270.0470.06314.56
5.3.260.0530.06714.45
5.3.250.0300.06714.71
5.3.240.0200.06314.61
5.3.230.0430.04714.59
5.3.220.0400.04714.63
5.3.210.0270.06014.63
5.3.200.0170.07014.47
5.3.190.0370.05014.49
5.3.180.0230.05714.46
5.3.170.0300.05714.61
5.3.160.0400.05014.63
5.3.150.0170.06314.64
5.3.140.0400.05314.53
5.3.130.0270.06014.48
5.3.120.0170.07714.54
5.3.110.0430.05014.56
5.3.100.0270.06013.97
5.3.90.0400.05314.06
5.3.80.0430.04314.01
5.3.70.0370.05314.01
5.3.60.0470.04713.95
5.3.50.0430.05314.05
5.3.40.0330.05013.91
5.3.30.0400.06713.86
5.3.20.0430.05013.70
5.3.10.0270.04713.65
5.3.00.0370.05313.59
5.2.170.0500.03711.13
5.2.160.0100.05311.13
5.2.150.0070.06311.30
5.2.140.0100.06711.08
5.2.130.0270.04011.05
5.2.120.0270.04011.27
5.2.110.0300.05011.09
5.2.100.0200.04711.16
5.2.90.0370.05311.09
5.2.80.0270.04711.08
5.2.70.0270.03711.08
5.2.60.0430.04011.04
5.2.50.0370.04011.01
5.2.40.0230.05310.97
5.2.30.0300.04010.95
5.2.20.0270.04010.88
5.2.10.0170.04710.98
5.2.00.0230.04310.70
5.1.60.0230.03710.13
5.1.50.0230.04010.07
5.1.40.0170.04010.02
5.1.30.0300.03310.40
5.1.20.0200.03710.39
5.1.10.0170.04010.18
5.1.00.0170.05310.20
5.0.50.0100.0378.69
5.0.40.0030.0378.44
5.0.30.0030.0508.25
5.0.20.0100.0308.33
5.0.10.0070.0338.38
5.0.00.0100.0438.32
4.4.90.0130.0205.88
4.4.80.0100.0305.84
4.4.70.0130.0235.82
4.4.60.0130.0275.88
4.4.50.0100.0335.93
4.4.40.0330.0405.91
4.4.30.0070.0205.91
4.4.20.0070.0205.93
4.4.10.0100.0336.00
4.4.00.0100.0336.01
4.3.110.0170.0205.77
4.3.100.0100.0235.84
4.3.90.0100.0205.89
4.3.80.0130.0375.84
4.3.70.0100.0205.80
4.3.60.0130.0205.92
4.3.50.0070.0275.92
4.3.40.0130.0335.82
4.3.30.0030.0304.55
4.3.20.0070.0234.60
4.3.10.0100.0204.54
4.3.00.0130.0236.63

preferences:
43.91 ms | 400 KiB | 5 Q