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function a( $array, $find ){ return false===strpos(join('',$array), $find)?false:true; }
function b( $array, $find ){ foreach($array as $k){ if(false===strpos($k,$find))return true; }return false; }



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function a( $array, $find ){ return false===strpos(join('',$array), $find)?false:true; } function b( $array, $find ){ foreach($array as $k){ if(false===strpos($k,$find))return true;}return false; }




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function a( $array, $find ){ return false===strpos(join('',$array), $find)?false:true; }
function b( $array, $find ){ foreach($array as $k){ if(false===strpos($k,$find))return true; }return false; }



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