Detailed explanation of php interception function intercept_str

This article mainly shares with you the detailed explanation of the php interception function intercept_str. It mainly shares with you a piece of code. I hope it can help you.

Paste the implementation of this function below

function intercept_str($str,$start,$end,$option = 1){
		$strarr=explode($start,$str);
		$tem=$strarr[1];
		if(empty($end)){
		return $tem;
		}else{
		$strarr=explode($end,$tem);
		if($option==1){
		return $strarr[0];
		}
		if($option==2){
		return $start.$strarr[0];
		}
		if($option==3){
		return $strarr[0].$end;
		}else{
		return $start.$strarr[0].$end;
		}
		}
}

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