php数组过滤
[*]//fast filtering values of a array
[*]function fast_array_filter($array,$partten){
[*] $partten = '/' . preg_quote($partten) .'/';
[*] returnpreg_grep ($partten, $array);
[*]}
[*]//fast filtering keys of a array
[*]function fast_array_keys_filter($array,$partten){
[*] $partten = '/' . preg_quote($partten) .'/';
[*] $keys = preg_grep($partten,array_keys($array));
[*] //$retArray = array_combine ($keys , array_fill(0,count($keys),0) );
[*] $retArray = array_flip($keys)
[*] return array_intersect_key($array,$retArray);
[*]}
如过需要过滤除 空值 null 0 false 意外的任何值 fast_array_filter（$array ,'/[^0]/'）;
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