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run code in 150+ php & hhvm versions
Bugs & Features
<?php function quicksort( $array ) { if( count( $array ) < 2 ) { return $array; } $left = $right = array( ); reset( $array ); $pivot_key = key( $array ); $pivot = array_shift( $array ); foreach( $array as $k => $v ) { if( $v < $pivot ) $left[$k] = $v; else $right[$k] = $v; } return array_merge(quicksort($left), array($pivot_key => $pivot), quicksort($right)); } //Using quicksort() $array = quicksort(array(5,7,8,9,1,4,6,3,5,9,1,2,5,4,5,8,6)); //returns sorted array.
Output for 4.3.0 - 5.0.5, 5.1.1 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/u4BWU on line 20
Process exited with code 255.