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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; } $result=P(array( array('a', array('me', 'you')), array('a', 'b'), array('a', 'b'), array('a'), array('a'), array('a') )); print_r(array_map(function($a){return implode(",",$a);},$result));
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Array to string conversion in /in/uONq6 on line 29 Warning: Array to string conversion in /in/uONq6 on line 29 Warning: Array to string conversion in /in/uONq6 on line 29 Warning: Array to string conversion in /in/uONq6 on line 29 Array ( [0] => a,a,a,a,a,a [1] => Array,a,a,a,a,a [2] => a,b,a,a,a,a [3] => Array,b,a,a,a,a [4] => a,a,b,a,a,a [5] => Array,a,b,a,a,a [6] => a,b,b,a,a,a [7] => Array,b,b,a,a,a )

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