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<?php function P(array $sources) { $result=array(); $cache=array(); foreach($sources as $node) { $cache=$result; $result=array(); foreach($node as $item) { if(empty($cache)) { $result[]=array($item); } else { foreach($cache as $line) { $line[]=$item; $result[]=$line; } } } } return $result; } $result=P(array( array('paco', 'anto', 'jua'), array('a', 'b', 'jose') )); print_r(array_map(function($a){return implode(",",$a);},$result));
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Array ( [0] => paco,a [1] => anto,a [2] => jua,a [3] => paco,b [4] => anto,b [5] => jua,b [6] => paco,jose [7] => anto,jose [8] => jua,jose )
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/1aL8N on line 29
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/1aL8N on line 2
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_ARRAY, expecting ')' in /in/1aL8N on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_ARRAY, expecting ')' in /in/1aL8N on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/1aL8N on line 2
Process exited with code 255.
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279.15 ms | 401 KiB | 459 Q