WPJAM多个报错临时修复

WPJAM虽好，但是PHP8.1很多报错，盘点修复

//报错文件：wpjam-admin.php
//错误提示：Optional parameter $parent declared before required parameter $rendering is implicitly treated as a required parameter
//行数：214
//修复方式：增加参数默认空字符串
//原
function wpjam_parse_admin_menu($menu, $slug, $parent='', $rendering)
//改：
function wpjam_parse_admin_menu($menu, $slug, $parent='', $rendering='')




//报错文件：class-wpjam-api.php
//错误提示：strtoupper(): Passing null to parameter #1 ($string) of type string is deprecated
//行数：644
//修复方式：增加默认值避免空值报错
//原
$method = strtoupper($this->method) ?: 'GET';
//改：
$method = strtoupper($this->method ?? 'GET');



//报错文件：wpjam-utils.php
//错误提示：str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated
//行数：1262
//修复方式：增加判断,定义空值为空字符串
//原
function wpjam_get_filter_name($name='', $type=''){
 $filter = str_replace('-', '_', $name);
 $filter = str_replace('wpjam_', '', $filter);

 return 'wpjam_'.$filter.'_'.$type;
}

//改：
function wpjam_get_filter_name($name = '', $type = ''){
    if ($name === null) {
        $name = ''; // 设置一个默认值
    }

    if ($type === null) {
        $type = ''; // 设置一个默认值
    }

    $filter = str_replace('-', '_', $name);
    $filter = str_replace('wpjam_', '', $filter);

    return 'wpjam_' . $filter . '_' . $type;
}



//报错文件：class-wpjam-register.php
//错误提示：preg_split(): Passing null to parameter #2 ($subject) of type string is deprecated
//行数：411
//修复方式：排查过后，对$value增加非空判断
//原
private function sanitize_value($value){
        if($this->sanitize_callback){
            if(is_callable($this->sanitize_callback)){
                return call_user_func($this->sanitize_callback, $value);
            }
        }else{
            if($this->type == 'int' && !is_null($value)){
                return (int)$value;
            }
        }
        return $value;
    }

//改：
protected function sanitize_value($value){
  if($this->sanitize_callback && is_callable($this->sanitize_callback)){
   if (!is_null($value)) {
                    return call_user_func($this->sanitize_callback, $value);
                }
  }

  return $value;
 }