PHP Methods for string manipulation

This article mainly introduces the method of PHP for string manipulation, the interested friend's reference, I hope to help you.

In this paper, we describe a simple method for PHP to determine whether two strings are equal, and how to do this:

Definition and usage

The strcasecmp () function compares two strings.

Tip: the strcasecmp () function is binary safe and is case-insensitive.

Tip: This function is similar to the strncasecmp () function, but by strncasecmp () you can specify the number of characters each string is used to compare.

Examples are as follows:

<?php function StrComp ($str 1, $str 2) {   if ($str 1 = = $str 2) {     return TRUE;   } else{     return false;   }} Echo StrComp ("First string", "Second string")//returns FALSE Echo StrComp ("A string", "a s Tring ");//returns TRUE?>

Summary: the above is the entire content of this article, I hope to be able to help you learn.

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