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  1. <?php
  2.     $arr = array("A","B","C");
  3.  
  4.     for ($i = 0; $i < count($arr); $i++) {
  5.     	echo $arr[$i]."\n";
  6.     	for ($j = 0; $j < count($arr); $j++) {
  7.     		if ($i != $j) {
  8.     			echo $arr[$i].$arr[$j]."\n";
  9.     			for ($k = 0; $k < count($arr); $k++) {
  10.     				if ($i != $j && $i != $k && $j != $k) {
  11.     					echo $arr[$i].$arr[$j].$arr[$k]."\n";
  12.     				}
  13.     			}
  14.     		}
  15.     	}
  16.     }
  17.  
  18. ?>
Success #stdin #stdout 0.03s 52480KB
comments (?)
stdin 
Standard input is empty
stdout 
A
AB
ABC
AC
ACB
B
BA
BAC
BC
BCA
C
CA
CAB
CB
CBA
https://ideone.com/8JeU1k
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

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