php class SQLInjectionMySQLDum protected ch method public function __c

<?php

class SQLInjectionMySQLDump {
    protected $ch, $method;
    
    public function __construct() {
        return $this;
    }
    
    public function setMethod($method='GET') {
        if(preg_match('/get|post/i', $method)) {
            $this->method = strtoupper($method);
            return $this;
        }
        return false;
    }
}