PHP string traversal and interception operation skills
This article mainly introduces PHP string traversal and interception operation skills. Interested friends can refer to it. I hope it will be helpful to everyone.
The details are as follows:
function delStr($start, $end, $orgenStr) { //读取要删除字符位置的前一部分字符串,并赋值给$temp //strpos读取字符第一次出现的位置 //substr读取指定开始与结束位置的子字符串 //echo $before."—". $last; $temp=$orgenStr; while(strpos($temp, $start) && strpos($temp, $end)){ $temp=substr($temp, 0, strpos($temp, $start)).substr($temp,strpos($temp, $end)+strlen($end));; //读取要删除字符位置的后一部分字符串,然后将前后部分连接,并赋值给$temp //返回最后是字符串 } return $temp; } //应用实例 $a="aaaa12345678bbbbtttttttttttttttttttttaaaa12345678bbbb kkkkkkkkkkkkaaaa12345678bbbbttttttttttttttttttttt"; $b="1234"; $c="5678"; echo delStr($b,$c,$a);
The output is:
aaaabbbbttttttttttttttttttttaaaabbbbkkkkkkkkkkkkaaaabbbbtttttttttttttttttttttt
##Summary: That’s it for this article The entire content of the article is hoped to be helpful to everyone's study.
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