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<?php // nice case of value after looping $a = array("one"=>1,"two"=>2,"three"=>3); echo "-----\nPointer\n-----\n"; foreach($a as &$b) { var_dump( key($a) ); var_dump( current($a) ); } echo "-----\nAfter iteration\n-----\n"; var_dump( key($a) ); var_dump( current($a) ); echo "-----\nNo pointer\n-----\n"; foreach($a as $b) { var_dump( key($a) ); var_dump( current($a) ); } echo "-----\nAfter iteration\n-----\n"; var_dump( key($a) ); var_dump( current($a) );
Output for git.master, git.master_jit, rfc.property-hooks
----- Pointer ----- string(3) "one" int(1) string(3) "one" int(1) string(3) "one" int(1) ----- After iteration ----- string(3) "one" int(1) ----- No pointer ----- string(3) "one" int(1) string(3) "one" int(1) string(3) "one" int(1) ----- After iteration ----- string(3) "one" int(1)

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