我希望它能用ralph替换数组值的每个共同保险。取而代之的是,我得到了$data未改变的值。有什么洞察力吗?in the car out back";
$bob[1]="car";
$qq= preg_replace("|($bob)|Ui", "ralph" , htmlspecialchars($data)
我想绘制一条曲线(使用curve()函数),其中包含一个由字符串定义的等式,如下所示:## Ok, generates a curve as expected
curve(qq)no applicable method for 'qq' applied to an object of class "curve(expr=expression(<e