3v4l.org

run code in 300+ PHP versions simultaneously
<?php $salt = ''; $iteration = 16; for ($x = 0; $x < $iteration; $x++) { $switch = rand(0, 2); switch ($switch) { case 0: $salt .= strval(rand(0, 9)); break; case 1: $salt .= chr(rand(65, 90)); break; case 2; $salt .= chr(rand(97, 122)); break; } } return $salt;

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)
7.4.00.0120.00614.65
7.3.120.0110.00314.74
7.3.110.0090.00914.84
7.3.100.0060.00914.75
7.3.90.0040.01115.00
7.3.80.0070.00714.59
7.3.70.0000.01314.64
7.3.60.0040.01214.47
7.3.50.0060.00614.87
7.3.40.0040.00414.72
7.3.30.0060.00914.70
7.3.20.0040.00716.63
7.3.10.0050.00516.59
7.3.00.0060.00516.41
7.2.250.0000.02014.97
7.2.240.0040.01215.14
7.2.230.0070.01015.18
7.2.220.0100.00715.29
7.2.210.0090.00614.97
7.2.200.0030.01415.16
7.2.190.0040.01115.00
7.2.180.0030.00714.72
7.2.170.0070.00715.21
7.2.130.0070.00716.64
7.2.120.0000.01616.86
7.2.110.0100.00017.03
7.2.100.0100.00316.89
7.2.90.0000.01417.02
7.2.80.0000.01216.57
7.2.70.0050.00516.64
7.2.60.0070.01116.83
7.2.50.0070.00716.63
7.2.40.0090.00617.02
7.2.30.0030.01016.82
7.2.20.0000.01517.04
7.2.10.0090.00616.91
7.2.00.0080.00416.85
7.1.330.0080.00816.04
7.1.320.0040.01115.60
7.1.310.0040.01115.68
7.1.300.0080.00415.52
7.1.290.0090.00315.77
7.1.280.0140.00015.55
7.1.270.0060.00615.71
7.1.260.0040.00415.96
7.1.250.0060.00615.81
7.1.240.0030.01015.80
7.1.230.0060.00615.71
7.1.220.0000.00915.77
7.1.210.0070.00715.71
7.1.200.0030.00615.86
7.1.190.0060.00615.94
7.1.180.0070.00715.81
7.1.170.0110.00415.55
7.1.160.0070.00715.63
7.1.150.0060.00615.57
7.1.140.0040.00715.62
7.1.130.0090.00015.86
7.1.120.0090.00015.45
7.1.110.0070.00715.87
7.1.100.0040.00915.40
7.1.90.0100.00315.80
7.1.80.0000.01315.84
7.1.70.0020.00916.44
7.1.60.0120.00517.83
7.1.50.0050.00716.30
7.1.40.0040.00715.48
7.1.30.0000.01315.80
7.1.20.0090.00615.55
7.1.10.0060.00615.76
7.1.00.0050.04219.09
7.0.330.0070.00715.31
7.0.320.0000.01315.44
7.0.310.0000.00915.34
7.0.300.0100.00315.35
7.0.290.0100.00015.36
7.0.280.0000.00815.46
7.0.270.0000.01115.35
7.0.260.0030.01015.14
7.0.250.0040.00415.34
7.0.240.0060.00915.16
7.0.230.0090.00015.33
7.0.220.0060.00615.48
7.0.210.0080.00615.41
7.0.200.0050.00715.87
7.0.190.0070.00415.46
7.0.180.0000.01415.14
7.0.170.0030.00715.53
7.0.160.0060.00615.37
7.0.150.0030.01015.33
7.0.140.0050.04018.62
7.0.130.0000.01215.36
7.0.120.0060.00815.34
7.0.110.0070.00715.59
7.0.100.0150.04017.67
7.0.90.0050.04117.73
7.0.80.0100.04217.65
7.0.70.0080.04617.66
7.0.60.0100.04217.61
7.0.50.0150.03817.90
7.0.40.0110.02316.77
7.0.30.0050.04916.78
7.0.20.0070.04616.71
7.0.10.0090.02816.52
7.0.00.0070.03916.67
5.6.380.0030.01014.06
5.6.370.0000.01314.08
5.6.360.0100.00314.35
5.6.350.0070.01014.31
5.6.340.0070.00714.55
5.6.330.0040.01214.53
5.6.320.0060.00614.16
5.6.310.0070.00714.49
5.6.300.0000.01414.12
5.6.290.0060.00314.37
5.6.280.0020.04117.72
5.6.270.0030.00714.05
5.6.260.0030.01014.38
5.6.250.0120.04017.45
5.6.240.0070.04317.65
5.6.230.0070.04717.68
5.6.220.0100.02217.63
5.6.210.0050.04217.51
5.6.200.0100.04117.79
5.6.190.0100.04217.71
5.6.180.0070.05017.66
5.6.170.0110.02317.54
5.6.160.0100.03817.64
5.6.150.0080.04117.73
5.6.140.0020.02817.53
5.6.130.0120.04217.68
5.6.120.0070.03317.79
5.6.110.0090.04317.82
5.6.100.0050.03017.61
5.6.90.0110.03817.77
5.6.80.0050.04017.35
5.6.70.0110.04117.38
5.6.60.0030.04017.40
5.6.50.0070.04317.33
5.6.40.0090.04417.25
5.6.30.0070.03317.49
5.6.20.0070.04217.34
5.6.10.0080.04317.38
5.6.00.0050.04217.38
5.5.380.0080.04616.07
5.5.370.0100.03716.04
5.5.360.0030.04715.97
5.5.350.0080.04216.00
5.5.340.0050.04216.23
5.5.330.0070.03916.18
5.5.320.0100.03016.23
5.5.310.0070.03816.25
5.5.300.0050.04316.22
5.5.290.0030.04716.26
5.5.280.0050.04716.24
5.5.270.0080.04316.23
5.5.260.0080.04316.16
5.5.250.0040.03316.09
5.5.240.0030.03715.90
5.5.230.0070.02515.92
5.5.220.0070.03715.87
5.5.210.0060.04015.95
5.5.200.0070.04715.87
5.5.190.0100.03915.84
5.5.180.0080.03115.84
5.5.170.0000.00711.60
5.5.160.0070.03915.92
5.5.150.0050.04515.88
5.5.140.0100.02015.90
5.5.130.0050.03115.83
5.5.120.0030.03315.85
5.5.110.0080.04015.90
5.5.100.0060.04215.86
5.5.90.0070.04215.83
5.5.80.0030.04415.85
5.5.70.0030.02315.80
5.5.60.0080.03815.83
5.5.50.0070.04015.87
5.5.40.0020.03515.87
5.5.30.0020.03315.79
5.5.20.0070.04015.84
5.5.10.0020.04515.80
5.5.00.0020.04715.85
5.4.450.0080.04115.51
5.4.440.0050.04215.48
5.4.430.0050.03015.51
5.4.420.0090.02515.45
5.4.410.0090.03715.45
5.4.400.0040.04315.43
5.4.390.0080.04015.32
5.4.380.0030.02115.32
5.4.370.0030.02715.21
5.4.360.0120.03515.35
5.4.350.0100.03515.19
5.4.340.0030.04315.38
5.4.330.0040.00711.60
5.4.320.0050.03015.37
5.4.310.0080.03515.43
5.4.300.0080.03915.35
5.4.290.0030.04015.25
5.4.280.0100.02615.31
5.4.270.0060.03515.25
5.4.260.0030.04015.28
5.4.250.0030.03315.37
5.4.240.0060.02515.41
5.4.230.0040.03715.37
5.4.220.0070.02815.31
5.4.210.0090.03515.41
5.4.200.0080.03915.19
5.4.190.0080.03615.41
5.4.180.0050.03715.41
5.4.170.0100.03715.27
5.4.160.0050.04015.32
5.4.150.0070.03915.31
5.4.140.0070.03613.94
5.4.130.0020.04213.98
5.4.120.0050.03713.98
5.4.110.0070.03713.94
5.4.100.0050.04113.99
5.4.90.0030.04414.03
5.4.80.0050.02813.90
5.4.70.0130.02814.00
5.4.60.0050.03813.89
5.4.50.0050.04113.92
5.4.40.0030.04113.93
5.4.30.0120.01713.94
5.4.20.0030.02513.90
5.4.10.0070.03813.97
5.4.00.0070.03313.69
5.3.290.0070.04013.10
5.3.280.0050.02813.09
5.3.270.0050.03813.10
5.3.260.0030.04713.08
5.3.250.0050.03013.10
5.3.240.0100.03813.08
5.3.230.0030.03613.03
5.3.220.0050.03813.08
5.3.210.0020.02813.09
5.3.200.0020.04413.06
5.3.190.0050.04013.07
5.3.180.0100.03313.01
5.3.170.0060.03313.08
5.3.160.0050.03513.08
5.3.150.0030.03813.01
5.3.140.0050.04113.07
5.3.130.0070.04213.08
5.3.120.0070.03513.05
5.3.110.0100.03713.05
5.3.100.0040.03812.82
5.3.90.0050.02212.78
5.3.80.0070.02512.79
5.3.70.0080.03512.80
5.3.60.0050.03812.80
5.3.50.0050.04112.78
5.3.40.0100.02512.66
5.3.30.0030.03412.73
5.3.20.0030.04012.64
5.3.10.0030.02112.59
5.3.00.0030.03712.57
5.2.170.0050.02511.30
5.2.160.0030.03311.29
5.2.150.0040.03211.38
5.2.140.0020.02611.36
5.2.130.0030.03111.27
5.2.120.0000.03411.38
5.2.110.0010.03411.27
5.2.100.0020.02811.34
5.2.90.0080.02911.31
5.2.80.0050.03011.31
5.2.70.0000.03511.29
5.2.60.0040.03311.32
5.2.50.0010.03411.32
5.2.40.0030.02011.22
5.2.30.0060.03311.28
5.2.20.0030.03111.28
5.2.10.0030.03311.26
5.2.00.0030.03311.13
5.1.60.0020.02210.79
5.1.50.0040.02810.83
5.1.40.0020.02910.83
5.1.30.0010.03111.02
5.1.20.0030.03311.02
5.1.10.0030.02710.88
5.1.00.0070.02810.77
5.0.50.0050.02310.04
5.0.40.0000.02310.04
5.0.30.0070.03010.04
5.0.20.0060.02310.04
5.0.10.0040.02110.04
5.0.00.0010.03110.04
4.4.90.0020.02010.04
4.4.80.0020.01110.04
4.4.70.0000.02210.04
4.4.60.0030.01610.04
4.4.50.0030.01710.04
4.4.40.0020.02410.04
4.4.30.0030.01110.04
4.4.20.0000.01710.04
4.4.10.0010.02010.04
4.4.00.0020.02610.04
4.3.110.0020.01910.04
4.3.100.0000.02010.04
4.3.90.0030.01510.04
4.3.80.0040.01710.04
4.3.70.0000.01810.04
4.3.60.0030.01710.04
4.3.50.0040.01210.04
4.3.40.0030.02310.04
4.3.30.0030.01810.04
4.3.20.0020.02110.04
4.3.10.0030.01410.04
4.3.00.0000.02110.04

preferences:
41.34 ms | 401 KiB | 5 Q