3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array(); $l = 10000; for($i = 0; $i< $l; $i++) { $array[$i] = md5($i); } $copy = $array; $start = microtime(true); for($i = 0; $i< $l; $i++) { $copy[$i] = $copy[$i] . ' x'; } echo "\nfor:" . (microtime(true) - $start); $copy = $array; $start = microtime(true); foreach ($copy as $i => $item) { $copy[$i] = $item . ' x'; } echo "\nforeach (ohne ref):" . (microtime(true) - $start); $copy = $array; $start = microtime(true); foreach ($copy as &$item) { $item .= ' x'; } echo "\nforeach (mit ref):" . (microtime(true) - $start); $copy = $array; $start = microtime(true); array_walk($copy, function (&$item, $i) { $item .= ' x'; }); echo "\narray_walk (mit ref):" . (microtime(true) - $start); $copy = $array; $start = microtime(true); $copy = array_map(function ($item) { return $item . ' x'; }, $copy); echo "\narray_map (ohne ref):" . (microtime(true) - $start);

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)
7.4.00.0030.02416.57
7.3.120.0100.01616.91
7.3.110.0030.02716.77
7.3.100.0000.02216.68
7.3.90.0090.01516.78
7.3.80.0070.01916.66
7.3.70.0030.01716.71
7.3.60.0000.01716.91
7.3.50.0030.02016.61
7.3.40.0110.01116.68
7.3.30.0000.01616.55
7.3.20.0040.01418.74
7.3.10.0090.01318.50
7.3.00.0000.01818.38
7.2.250.0070.02616.89
7.2.240.0030.03016.84
7.2.230.0030.02217.09
7.2.220.0000.01917.05
7.2.210.0040.02216.88
7.2.200.0070.01616.93
7.2.190.0070.02016.87
7.2.180.0040.01417.01
7.2.170.0070.01716.79
7.2.00.0030.02021.33
7.1.330.0100.01617.86
7.1.320.0100.01717.85
7.1.310.0000.02617.88
7.1.300.0070.02017.74
7.1.290.0040.01517.80
7.1.280.0060.01617.61
7.1.270.0030.01717.47
7.1.260.0000.02217.70
7.1.70.0060.00919.19
7.1.60.0070.03019.24
7.1.50.0200.01718.74
7.1.00.0000.07724.36
7.0.200.0040.01218.87
7.0.140.0030.07724.04
7.0.100.0170.06321.90
7.0.90.0100.04321.96
7.0.80.0100.05321.97
7.0.70.0170.04321.96
7.0.60.0200.04321.91
7.0.50.0070.07322.20
7.0.40.0130.07720.11
7.0.30.0030.10320.14
7.0.20.0030.10020.18
7.0.10.0130.08020.02
7.0.00.0200.07020.12
5.6.280.0030.10025.64
5.6.250.0100.05325.50
5.6.240.0000.06725.45
5.6.230.0070.06325.25
5.6.220.0100.05725.25
5.6.210.0070.07325.34
5.6.200.0100.08025.70
5.6.190.0100.09725.79
5.6.180.0200.07025.86
5.6.170.0070.06725.94
5.6.160.0030.07325.86
5.6.150.0100.10325.87
5.6.140.0070.07325.78
5.6.130.0100.10325.71
5.6.120.0100.11325.69
5.6.110.0100.06725.82
5.6.100.0030.11725.86
5.6.90.0070.07025.85
5.6.80.0000.07025.15
5.6.70.0230.08725.07
5.6.60.0070.10025.17
5.6.50.0100.10325.11
5.6.40.0200.08725.21
5.6.30.0100.10725.19
5.6.20.0070.12025.13
5.6.10.0100.08025.17
5.6.00.0130.05025.23
5.5.380.0070.05725.21
5.5.370.0130.05025.21
5.5.360.0030.06325.14
5.5.350.0000.06325.21
5.5.340.0200.08025.55
5.5.330.0200.09025.68
5.5.320.0130.09725.40
5.5.310.0200.08025.53
5.5.300.0100.09725.65
5.5.290.0100.10025.62
5.5.280.0170.10325.58
5.5.270.0070.09025.55
5.5.260.0200.10325.63
5.5.250.0130.07325.47
5.5.240.0070.09025.04
5.5.230.0230.09724.87
5.5.220.0100.09025.00
5.5.210.0270.10724.95
5.5.200.0100.11024.75
5.5.190.0100.10724.93
5.5.180.0200.08724.84
5.5.160.0030.06324.90
5.5.150.0100.08324.98
5.5.140.0130.10325.02
5.5.130.0170.09325.01
5.5.120.0030.10024.93
5.5.110.0070.10724.94
5.5.100.0070.08724.71
5.5.90.0170.07724.80
5.5.80.0070.06724.73
5.5.70.0100.08724.84
5.5.60.0170.09324.81
5.5.50.0100.09024.84
5.5.40.0200.09724.91
5.5.30.0130.10324.90
5.5.20.0100.08324.81
5.5.10.0100.08724.79
5.5.00.0100.10324.86
5.4.450.0130.10723.86
5.4.440.0070.05724.04
5.4.430.0200.08324.00
5.4.420.0070.11024.07
5.4.410.0030.10724.00
5.4.400.0130.09723.73
5.4.390.0030.11023.83
5.4.380.0070.09723.73
5.4.370.0170.09723.75
5.4.360.0100.07023.68
5.4.350.0100.10023.68
5.4.340.0200.08723.58
5.4.320.0100.05023.80
5.4.310.0100.09023.58
5.4.300.0130.09723.90
5.4.290.0100.06023.87
5.4.280.0100.08723.71
5.4.270.0230.08723.72
5.4.260.0030.06323.54
5.4.250.0100.07723.82
5.4.240.0130.09323.71
5.4.230.0070.08023.71
5.4.220.0200.08723.58
5.4.210.0070.08323.86
5.4.200.0070.07323.71
5.4.190.0070.11023.69
5.4.180.0070.08323.70
5.4.170.0070.10023.58
5.4.160.0100.08023.57
5.4.150.0030.09023.70
5.4.140.0100.09021.02
5.4.130.0170.05321.13
5.4.120.0130.08021.14
5.4.110.0030.09021.23
5.4.100.0100.06021.16
5.4.90.0170.08321.06
5.4.80.0100.07321.01
5.4.70.0030.09021.05
5.4.60.0070.10721.13
5.4.50.0030.08321.00
5.4.40.0130.07721.21
5.4.30.0100.10021.16
5.4.20.0200.05021.00
5.4.10.0070.10321.20
5.4.00.0070.08720.53
5.3.290.0130.07319.31
5.3.280.0070.10019.18
5.3.270.0100.08719.31
5.3.260.0170.08019.24
5.3.250.0130.06019.19
5.3.240.0100.06019.19
5.3.230.0000.12019.11
5.3.220.0030.11319.25
5.3.210.0230.09319.23
5.3.200.0070.06319.13
5.3.190.0100.10319.29
5.3.180.0130.09019.11
5.3.170.0130.09319.06
5.3.160.0130.08019.15
5.3.150.0030.10319.13
5.3.140.0070.09719.10
5.3.130.0030.10719.21
5.3.120.0200.07719.13
5.3.110.0100.08719.27
5.3.100.0070.10018.59
5.3.90.0030.09318.66
5.3.80.0070.09318.48
5.3.70.0200.07018.59
5.3.60.0100.08018.63
5.3.50.0070.06718.46
5.3.40.0070.11018.52
5.3.30.0100.08018.54
5.3.20.0130.06718.73
5.3.10.0100.07718.27
5.3.00.0170.08718.16
5.2.170.0000.07013.85
5.2.160.0070.05313.85
5.2.150.0030.06313.85
5.2.140.0030.05713.85
5.2.130.0030.06313.85
5.2.120.0070.06313.85
5.2.110.0030.06013.85
5.2.100.0070.03313.85
5.2.90.0030.02713.85
5.2.80.0170.05013.85
5.2.70.0130.03013.85
5.2.60.0200.04713.85
5.2.50.0000.04313.85
5.2.40.0130.05013.85
5.2.30.0030.06713.85
5.2.20.0100.06013.85
5.2.10.0030.05313.85
5.2.00.0100.06713.85
5.1.60.0070.03713.85
5.1.50.0030.04013.85
5.1.40.0130.03313.85
5.1.30.0030.03013.85
5.1.20.0070.05013.85
5.1.10.0070.05313.85
5.1.00.0030.06013.85
5.0.50.0000.05013.85
5.0.40.0070.04313.85
5.0.30.0030.06713.85
5.0.20.0000.04713.85
5.0.10.0000.04313.85
5.0.00.0030.03713.85
4.4.90.0070.03013.85
4.4.80.0030.03313.85
4.4.70.0070.03013.85
4.4.60.0070.03313.85
4.4.50.0030.03313.85
4.4.40.0100.02713.85
4.4.30.0030.03313.85
4.4.20.0000.03313.85
4.4.10.0070.03013.85
4.4.00.0070.05313.85
4.3.110.0070.03313.85
4.3.100.0000.03713.85
4.3.90.0000.04013.85
4.3.80.0030.02713.85
4.3.70.0070.02313.85
4.3.60.0030.02713.85
4.3.50.0070.02013.85
4.3.40.0000.05713.85
4.3.30.0030.03313.85
4.3.20.0000.03013.85
4.3.10.0000.03713.85
4.3.00.0000.03713.85

preferences:
42.17 ms | 400 KiB | 5 Q