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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; } $result=P(array('paco', 'anto', 'jua'), array('a', 'b') ); print_r(array_map(function($a){return implode(",",$a);},$result));
Output for git.master, git.master_jit, rfc.property-hooks
Warning: foreach() argument must be of type array|object, string given in /in/3bCCT on line 10 Warning: foreach() argument must be of type array|object, string given in /in/3bCCT on line 10 Warning: foreach() argument must be of type array|object, string given in /in/3bCCT on line 10 Array ( )

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