Learn closures in PHP 5.3: function() use(&$param)
Release: 2016-07-25 09:07:42
Original
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function closureCreater(){ - $x =1;
- return function($fun=null) use(&$x){//Pass value by reference
- echo "
".$x++;
- $fun and $fun();
- };
- }
$x = "hello world";
- $test = closureCreater( );
- $test();
- $test(function(){ echo "closure test one"; });
- $test(function(){ echo "closure test two"; });
- $test(function( ) use($x){ echo "
".$x;});
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- //Save the function as an array element
- $x = 'outer param.';
- $arr = array() ;
- $arr[] = function($str)use($x){ return $str.$x; };
- echo $arr[0]('test fun in arr,'); //test fun in arr ,outer param.
- ?>
-
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