3v4l.org

run code in 300+ PHP versions simultaneously
<?php function init(&$select, &$params){ $select = array('key'=>1, 'key2'=>'one', 'key3'=>3333.333); $params = array(); } //echo 'array_walk: '; init($select, $params); $start_time = microtime(TRUE); array_walk($select, function(&$val, $id) { $params[$id] = $val; $val = "{$id} = :{$id}"; }); $end_time = microtime(TRUE); $walk_time = $end_time - $start_time; //echo 'foreach: '; init($select, $params); $start_time = microtime(TRUE); foreach($select as $id => &$val){ $params[$id] = $val; $val = "{$id} = :{$id}"; }unset($val); $end_time = microtime(TRUE); $foreach_time = $end_time - $start_time; echo "<pre> ArrayWalk Time: ".sprintf('%.10F', $walk_time)." Foreach Time: ".sprintf('%.10F', $foreach_time)." array_walk > foreach: ".($walk_time > $foreach_time)." foreach > array_walk ".($foreach_time > $walk_time)."</pre>"; ?><div style="border: 1px solid gray; width: 640px; background-color: #F0F0F0"> Source Code<br><?PHP highlight_file(__FILE__); ?></div><?PHP

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)
5.5.30.0070.07720.03
5.5.20.0100.08020.06
5.5.10.0030.06319.99
5.5.00.0000.04020.13
5.4.190.0030.07018.88
5.4.180.0130.05718.88
5.4.170.0070.05319.08
5.4.160.0070.08319.12
5.4.150.0070.07319.21
5.4.140.0100.03316.25
5.4.130.0030.07716.32
5.4.120.0000.05016.43
5.4.110.0070.06716.42
5.4.100.0100.07016.52
5.4.90.0030.08316.51
5.4.80.0130.04316.49
5.4.70.0130.06316.43
5.4.60.0100.03716.45
5.4.50.0070.03716.40
5.4.40.0070.06316.39
5.4.30.0070.07016.33
5.4.20.0100.04316.48
5.4.10.0100.03716.40
5.4.00.0070.04015.73
5.3.290.0070.03715.73
5.3.280.0030.04015.73
5.3.270.0100.08015.73
5.3.260.0030.07315.73
5.3.250.0170.02315.73
5.3.240.0030.03715.73
5.3.230.0130.07015.73
5.3.220.0170.07015.73
5.3.210.0070.08315.73
5.3.200.0070.05715.73
5.3.190.0200.06715.73
5.3.180.0000.08015.73
5.3.170.0230.04715.73
5.3.160.0100.08015.73
5.3.150.0170.05315.73
5.3.140.0030.07715.73
5.3.130.0070.04015.73
5.3.120.0070.03715.73
5.3.110.0100.06315.73
5.3.100.0070.04015.73
5.3.90.0070.06715.73
5.3.80.0100.05715.73
5.3.70.0170.04315.73
5.3.60.0070.06714.07
5.3.50.0030.04314.09
5.3.40.0070.03713.87
5.3.30.0000.06013.93
5.3.20.0000.04313.73
5.3.10.0030.04313.66
5.3.00.0030.06313.63
5.2.170.0100.04011.70
5.2.160.0000.04711.70
5.2.150.0070.06011.70
5.2.140.0070.03711.70
5.2.130.0030.03711.70
5.2.120.0030.06011.70
5.2.110.0100.04011.70
5.2.100.0070.03011.70
5.2.90.0130.05011.70
5.2.80.0030.03311.70
5.2.70.0000.03311.70
5.2.60.0070.06311.70
5.2.50.0100.03311.70
5.2.40.0000.06311.70
5.2.30.0130.04311.70
5.2.20.0130.04711.70
5.2.10.0070.05711.70
5.2.00.0070.05311.70
5.1.60.0030.05311.70
5.1.50.0030.04711.70
5.1.40.0070.02711.70
5.1.30.0070.03711.70
5.1.20.0030.03011.70
5.1.10.0030.05011.70
5.1.00.0000.03311.70
5.0.50.0070.03711.70
5.0.40.0000.04711.70
5.0.30.0070.06311.70
5.0.20.0030.02311.70
5.0.10.0070.04011.70
5.0.00.0000.03311.70
4.4.90.0000.03711.70
4.4.80.0000.02711.70
4.4.70.0000.02311.70
4.4.60.0030.03311.70
4.4.50.0000.02711.70
4.4.40.0000.04311.70
4.4.30.0130.03011.70
4.4.20.0030.01711.70
4.4.10.0000.02311.70
4.4.00.0070.03311.70
4.3.110.0070.03311.70
4.3.100.0030.02011.70
4.3.90.0000.02311.70
4.3.80.0000.05711.70
4.3.70.0070.03011.70
4.3.60.0100.02711.70
4.3.50.0030.03311.70
4.3.40.0000.03711.70
4.3.30.0030.03311.70
4.3.20.0000.03011.70
4.3.10.0000.03711.70
4.3.00.0130.00311.70

preferences:
33.22 ms | 400 KiB | 5 Q