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<?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 ); //returns sorted array.
Output for 8.0.10 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined variable $array in /in/tXsnK on line 20 Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /in/tXsnK:3 Stack trace: #0 /in/tXsnK(20): quicksort(NULL) #1 {main} thrown in /in/tXsnK on line 3
Process exited with code 255.
Output for 8.0.0 - 8.0.9
Warning: Undefined variable $array in /in/tXsnK on line 20 Fatal error: Uncaught TypeError: count(): Argument #1 ($var) must be of type Countable|array, null given in /in/tXsnK:3 Stack trace: #0 /in/tXsnK(20): quicksort(NULL) #1 {main} thrown in /in/tXsnK on line 3
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Undefined variable: array in /in/tXsnK on line 20 Warning: count(): Parameter must be an array or an object that implements Countable in /in/tXsnK on line 3
Output for 7.3.32 - 7.3.33, 7.4.26
Warning: count(): Parameter must be an array or an object that implements Countable in /in/tXsnK on line 3
Output for 5.0.4 - 5.0.5, 5.1.1 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20
Notice: Undefined variable: array in /in/tXsnK on line 20
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/tXsnK on line 20
Process exited with code 255.
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
Notice: Undefined variable: array in /in/tXsnK on line 20
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242.6 ms | 402 KiB | 358 Q