3v4l.org

run code in 300+ PHP versions simultaneously
<?php class security { private function addSalt($pass) { $salt1='abcdefghijkl'; //OUR FIRST 12 CHAR SALT $salt2='opqrstuvwxyz'; //OUR 2ND 12 CHAR SALT $md5 = (md5($pass)); $hash1 = $salt1.$md5.$salt2;// SALT1-MD5-SALT2 COMBINED $hash2 = strrev($hash1); //WE FLIP-REVERSE THE HASH return $hash2;//CHANGE TO RETURN }//end func private function unSalt($pass2) { $a1 = substr($pass2, -44); // WE STRIP THE FIRST 12 CHAR SALT $b1 = strrev($a1); //WE UN-FLIP THE HASH return substr($b1, -32); // WE FETCH OUR ORIGINAL MD5 AND STRIP THE 2ND SALT }//end func }//end class $h = ''; $sc = new security; for ($i = 0; $i < 100; ++$i) { echo $security->addSalt($i), "\n"; }

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)
8.3.60.0070.00718.30
8.3.50.0110.00716.27
8.3.40.0120.00318.71
8.3.30.0100.01019.09
8.3.20.0070.00020.16
8.3.10.0090.00323.66
8.3.00.0000.00823.61
8.2.180.0090.01316.50
8.2.170.0140.00322.96
8.2.160.0030.01022.28
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0030.00617.34
8.2.110.0000.00921.18
8.2.100.0060.00617.75
8.2.90.0090.00019.22
8.2.80.0000.00817.97
8.2.70.0090.00017.63
8.2.60.0040.00417.91
8.2.50.0080.00018.07
8.2.40.0040.00420.81
8.2.30.0070.00318.00
8.2.20.0080.00017.68
8.2.10.0070.00018.06
8.2.00.0000.00718.17
8.1.280.0070.00725.92
8.1.270.0060.00320.42
8.1.260.0000.00826.35
8.1.250.0080.00028.09
8.1.240.0060.00322.11
8.1.230.0090.00317.70
8.1.220.0050.00317.78
8.1.210.0080.00018.77
8.1.200.0060.00317.23
8.1.190.0060.00317.22
8.1.180.0000.00718.10
8.1.170.0030.00518.57
8.1.160.0040.00423.67
8.1.150.0000.00718.87
8.1.140.0000.00817.44
8.1.130.0000.00717.64
8.1.120.0030.00317.34
8.1.110.0000.00717.30
8.1.100.0040.00317.38
8.1.90.0000.00717.32
8.1.80.0040.00417.38
8.1.70.0040.00417.36
8.1.60.0040.00417.45
8.1.50.0080.00017.41
8.1.40.0040.00417.49
8.1.30.0090.00017.48
8.1.20.0040.00417.55
8.1.10.0000.00817.52
8.1.00.0030.00517.55
8.0.300.0040.00418.77
8.0.290.0050.00316.75
8.0.280.0000.00718.39
8.0.270.0020.00517.04
8.0.260.0060.00017.06
8.0.250.0040.00416.94
8.0.240.0070.00016.87
8.0.230.0070.00016.91
8.0.220.0000.00716.91
8.0.210.0050.00316.77
8.0.200.0040.00416.79
8.0.190.0000.00716.96
8.0.180.0040.00416.91
8.0.170.0040.00416.93
8.0.160.0040.00416.84
8.0.150.0070.00016.85
8.0.140.0070.00016.71
8.0.130.0040.00413.30
8.0.120.0030.00516.81
8.0.110.0000.00716.85
8.0.100.0000.00816.71
8.0.90.0000.00716.77
8.0.80.0060.00916.94
8.0.70.0040.00416.99
8.0.60.0050.00216.80
8.0.50.0000.00716.95
8.0.30.0120.00616.91
8.0.20.0060.01217.40
8.0.10.0000.00717.03
8.0.00.0080.01016.82
7.4.330.0060.00015.08
7.4.320.0000.00716.46
7.4.300.0000.00616.52
7.4.290.0030.00316.43
7.4.280.0040.00716.48
7.4.270.0000.00716.41
7.4.260.0000.01016.48
7.4.250.0030.00616.45
7.4.240.0040.00316.56
7.4.230.0000.00716.30
7.4.220.0160.00916.71
7.4.210.0130.00016.54
7.4.200.0030.00516.59
7.4.160.0040.01116.43
7.4.150.0160.00317.40
7.4.140.0100.00917.86
7.4.130.0130.00416.45
7.4.120.0130.00716.47
7.4.110.0060.01216.36
7.4.100.0090.00916.62
7.4.90.0030.01416.47
7.4.80.0100.00619.39
7.4.70.0070.01016.65
7.4.60.0100.00616.57
7.4.50.0000.00816.64
7.4.40.0090.00916.63
7.4.30.0070.01116.45
7.4.00.0000.01214.64
7.3.330.0020.00213.23
7.3.320.0020.00213.13
7.3.310.0040.00416.34
7.3.300.0050.00216.41
7.3.290.0110.00416.32
7.3.280.0080.00816.33
7.3.270.0080.00817.40
7.3.260.0060.01216.55
7.3.250.0150.00616.40
7.3.240.0110.00616.66
7.3.230.0100.01016.53
7.3.210.0060.01016.55
7.3.200.0150.00716.28
7.3.190.0130.00716.32
7.3.180.0150.00016.39
7.3.170.0090.00616.43
7.3.160.0060.01516.46
7.2.330.0070.01016.61
7.2.320.0110.01116.43
7.2.310.0050.01116.40
7.2.300.0130.00316.68
7.2.290.0190.00616.60
7.2.60.0080.00416.76
7.2.00.0040.01119.15
7.1.200.0000.01415.79
7.1.100.0080.00518.19
7.1.70.0030.00617.20
7.1.60.0130.01319.42
7.1.50.0060.01916.73
7.1.00.0030.07722.35
7.0.200.0080.00416.80
7.0.60.0030.04020.02
7.0.50.0000.08717.89
7.0.40.0030.05020.17
7.0.30.0330.07020.08
7.0.20.0270.07320.08
7.0.10.0100.08020.20
7.0.00.0030.04720.08
5.6.280.0030.07321.03
5.6.210.0070.04320.66
5.6.200.0070.08718.16
5.6.190.0070.07320.55
5.6.180.0400.06020.67
5.6.170.0130.04720.57
5.6.160.0030.08320.57
5.6.150.0070.08018.19
5.6.140.0030.05718.18
5.6.130.0000.04718.11
5.6.120.0070.08321.00
5.6.110.0130.07321.05
5.6.100.0100.08020.98
5.6.90.0130.08020.97
5.6.80.0030.06020.41
5.5.350.0330.06320.41
5.5.340.0170.07017.98
5.5.330.0130.08320.25
5.5.320.0230.04720.42
5.5.310.0230.07020.34
5.5.300.0070.07717.95
5.5.290.0030.04317.96
5.5.280.0030.08720.69
5.5.270.0130.07720.79
5.5.260.0170.06320.80
5.5.250.0070.04020.69
5.5.240.0100.07320.27
5.4.450.0570.05319.53
5.4.440.0670.05019.34
5.4.430.0470.05719.47
5.4.420.0430.04719.38
5.4.410.0230.05719.49
5.4.400.0100.05319.31
5.4.390.0730.06019.24
5.4.380.0600.06018.84
5.4.370.0500.04719.23
5.4.360.0430.05019.25
5.4.350.0130.05018.98
5.4.340.0100.05719.15
5.4.320.0370.05719.10
5.4.310.0470.05019.14
5.4.300.0200.04719.14
5.4.290.0130.05018.84
5.4.280.0530.05019.37
5.4.270.0930.05718.99
5.4.260.0670.05719.26
5.4.250.0670.05719.22
5.4.240.0870.05719.00
5.4.230.0770.05318.97
5.4.220.0600.06718.97
5.4.210.0530.05319.02
5.4.200.0600.04716.79
5.4.190.0630.05018.86
5.4.180.0570.05318.98
5.4.170.0670.05018.85
5.4.160.0530.05319.24
5.4.150.0500.06018.97
5.4.140.0600.04316.52
5.4.130.0500.05316.53
5.4.120.0630.04716.32
5.4.110.0770.05316.52
5.4.100.0570.06016.30
5.4.90.0500.07016.29
5.4.80.0630.04716.49
5.4.70.0700.04716.36
5.4.60.0700.04016.51
5.4.50.0670.04716.48
5.4.40.0570.05716.52
5.4.30.0470.05716.50
5.4.20.0630.05716.35
5.4.10.0770.04716.45
5.4.00.0600.05015.84
5.3.290.0530.05314.58
5.3.280.0270.05314.74
5.3.270.0170.05714.51
5.3.260.0430.06014.62
5.3.250.0530.05314.60
5.3.240.0170.05314.66
5.3.230.0530.04314.59
5.3.220.0700.05014.66
5.3.210.0570.06014.59
5.3.200.0570.05714.59
5.3.190.0770.07314.56
5.3.180.0700.07014.59
5.3.170.0830.05714.57
5.3.160.0700.05014.49
5.3.150.0770.04314.54
5.3.140.0700.05014.47
5.3.130.0530.05314.46
5.3.120.0700.04714.55
5.3.110.0570.05014.45
5.3.100.0570.05314.26
5.3.90.0430.05714.25
5.3.80.0670.04013.93
5.3.70.0600.05313.94
5.3.60.0600.04713.91
5.3.50.0630.05314.04
5.3.40.0330.06313.83
5.3.30.0570.04314.08
5.3.20.0570.05313.62
5.3.10.0500.05313.68
5.3.00.0570.05013.55
5.2.170.0470.04011.21
5.2.160.0570.03711.16
5.2.150.0530.04011.06
5.2.140.0470.04311.21
5.2.130.0400.04311.16
5.2.120.0430.04011.16
5.2.110.0600.03711.12
5.2.100.0370.04311.01
5.2.90.0470.04011.16
5.2.80.0570.03311.01
5.2.70.0530.04311.00
5.2.60.0570.04310.98
5.2.50.0500.04310.92
5.2.40.0370.04011.23
5.2.30.0530.03710.88
5.2.20.0330.04710.87
5.2.10.0370.03710.73
5.2.00.0430.04310.62
5.1.60.0370.03710.05
5.1.50.0470.03310.00
5.1.40.0100.03710.03
5.1.30.0130.03710.25
5.1.20.0300.03710.27
5.1.10.0230.03310.00
5.1.00.0400.03310.23
5.0.50.0200.0278.45
5.0.40.0070.0308.57
5.0.30.0200.0438.11
5.0.20.0130.0338.19
5.0.10.0170.0308.16
5.0.00.0230.0438.14
4.4.90.0170.0235.81
4.4.80.0330.0205.75
4.4.70.0170.0235.74
4.4.60.0230.0205.83
4.4.50.0430.0135.93
4.4.40.0170.0405.88
4.4.30.0030.0275.82
4.4.20.0100.0235.91
4.4.10.0200.0205.99
4.4.00.0200.0335.88
4.3.110.0130.0235.78
4.3.100.0170.0205.78
4.3.90.0070.0205.68
4.3.80.0030.0375.67
4.3.70.0100.0175.73
4.3.60.0000.0235.69
4.3.50.0200.0235.79
4.3.40.0270.0305.75
4.3.30.0130.0204.50
4.3.20.0070.0234.60
4.3.10.0170.0204.46
4.3.00.0030.0207.41

preferences:
44.95 ms | 400 KiB | 5 Q