if (!function_exists('apache_ request _ headers ')) {         function apache_request_headers() {             foreach($_SERVER as $key=>$value) {                 if (substr($key,0,5)=="HTTP_") {                     $key=str_replace(" ","-",ucwords(strtolower(str_replace("_"," ",substr($key,5)))));                     $out[$key]=$value;                 }else{                    $out[$key]=$value;         }            }             return $out;         } }

 

 

time to string

function magtime($inputs,$to = '2str'){    if($to=='2str'&&!(is_numeric($inputs))&&!($to=='2num'&&preg_match("/^[a-z]{2,10}$/",$inputs))) return false;    $skeys = $akeys = array('f','a','d','e','c','y','z','t','k','g');    sort($skeys);    $inputs = str_split($inputs);    if($to=='2str'){        $ft_key = array_rand($akeys);        $keys = $ft_key%2==0 ? $skeys : $akeys;        $rs = '';        foreach($inputs as $input){            $rs .= $keys[$input];        }        $rs .= $akeys[$ft_key];    }elseif($to=='2num'){        $footer = array_pop($inputs);        $ft_key = array_search($footer,$akeys);        if($ft_key===false) return false;        $keys = $ft_key%2==0 ? $skeys : $akeys;        $keys = array_flip($keys);        $rs = '';        foreach($inputs as $input){            $rs .= $keys[$input];        }    }    return $rs;}$time = '1416896158';echo $time;echo "
";$str = magtime($time);echo $str;echo "
";$num = magtime($str,'2num');echo $num;echo "
";

 

/** * 多条更新 * @param string $table_name * @param array $val_cases * @param array $fields * @param string $pri_key * @return UPDATE */function update_more($table_name,array $val_cases,array $fields,$pri_key = 'id'){    $arr = update_lots_combine($val_cases,$fields,$pri_key);    return update_lots($table_name,$arr['values'],$arr['cases'],$pri_key);}/** * 多条更新 * @param string $table_name * @param array $values array('name'=>array('kate','jim'++),'age'=>array('16','18'++)) * @param array $cases array(array('id'=>'1','rank'=>'2'),array('id'=>'4','rank'=>'3')++); * @param $pri_key * @return UPDATE user SET `name`= CASE WHEN id='1' AND rank='2' THEN 'kate' WHEN id='4' AND rank='3'  *THEN 'jim' ELSE `name` END, `age`= CASE  WHEN id='1' AND rank='2' THEN '16' WHEN id='4' AND rank='3' *THEN '18' ELSE `age` END  WHERE `id` IN (1,4,5) */function update_lots($table_name,$values,$cases,$pri_key = 'id'){    if(!is_array($values) || !is_array($cases) || !count($values)) return false;    foreach($cases as $case_key => $case_fields){        foreach($case_fields as $case_field => $case_value){            !isset($pri_key) && $pri_key = $case_field;//for where ids            !isset($ids[$case_key]) && $ids[$case_key] = $case_value;//for where ids            $case_sql_piece[]=$case_field."='".$case_value."'";        }        $case_sql[] = implode(' AND ',$case_sql_piece);        unset($case_sql_piece);    }    !empty($ids)&&$where = " WHERE `$pri_key` IN (".implode(',',$ids).") ";        $sql = "UPDATE ".$table_name.' SET ';    $csql = '';    foreach($values as $field=>$fieldvalues){        $csql .= "`".$field."`"."= CASE ";        foreach($values[$field] as $key=>$fieldvalue){            !isset($case_sql[$key]) && $case_sql[$key] = $case_sql[0];            $csql .= " WHEN {
   $case_sql[$key]} THEN '{
   $fieldvalue}'";         }        $csql .= " ELSE `{
   $field}`  END,";    }    $sql .= rtrim($csql,',');    isset($where) && $sql .= $where;    return $sql;}/** * 多条更新参数设置 * @param array $val_cases array(array('value'=>array('kate',16),'where'=>array($pri_key=>'1','rank'=>'2')),  *     array('value'=>array('jim',18),'where'=>array($pri_key=>'4','rank'=>'3'))) * @param array $fields array('name','age') * @param string $pri_key id * @return boolean|unknown[] */function update_lots_combine(array $val_cases,array $fields,$pri_key = 'id'){    if(!is_array($val_cases) || !is_array($fields)) return false;    foreach($val_cases as $row){        foreach($fields as $k=>$field){            if(!isset($row['value'][$k])){
   exit('批量更新参数不匹配！');}            $values[$field][] = $row['value'][$k];        }        $cases[] = $row['where'];    }    return array('values'=>$values,'cases'=>$cases);}