3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $text = "Rocket abc bla blub bla Rocket"; $textArr = explode(" ", $text); $wordCountArr = []; foreach ($textArr as $word) { if (!isset($wordCountArr[$word])) { $wordCountArr[$word] = 1; } else { $wordCountArr[$word]++; } } natcasesort($wordCountArr); print_r($wordCountArr); $textOrderArr = $wordCountArr; $inversedArr = []; foreach ($textOrderArr as $word => $count) { $inversedArr[$count][] = $word; } krsort($inversedArr); foreach ($inversedArr as $count => $words) { foreach ($words as $word) { echo $count . " x " . $word; echo PHP_EOL; } }
Output for hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [abc] => 1 [blub] => 1 [Rocket] => 2 [bla] => 2 ) 2 x Rocket 2 x bla 1 x abc 1 x blub
Output for 5.4.0 - 5.6.28
Array ( [blub] => 1 [abc] => 1 [Rocket] => 2 [bla] => 2 ) 2 x Rocket 2 x bla 1 x blub 1 x abc
Output for 5.2.3 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/WHq9p on line 7
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.2
<br /> <b>Parse error</b>: syntax error, unexpected '[' in <b>/in/WHq9p</b> on line <b>7</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
<br /> <b>Parse error</b>: parse error, unexpected '[' in <b>/in/WHq9p</b> on line <b>7</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error in <b>/in/WHq9p</b> on line <b>7</b><br />
Process exited with code 255.