How to trim text using PHP

Question

How to trim some word in php? Example like

pid=\"5\" OR pid=\"3\" OR

I want to remove the last OR

Answer 1

Using substr to find and remove the ending OR:

$string = "pid='5' OR pid='3' OR";
if(substr($string, -3) == ' OR') {
  $string = substr($string, 0, -3);
}
echo $string;