PHP strcmp() Function Usage and Example

PHP String String Function Manual

The strcmp() function is used to compare two strings (case-sensitive).

Syntax

strcmp(string1,string2)

Definition and Usage

Used to compare two strings (case-sensitive)

Return Value

　If str1 Less than str2 Returns < 0; if str1 Greater than str2 Returns > 0; if both are equal, returns 0.

Parameter

Online Example

Try the following example, compare two strings, if this function returns 0, then the two strings are equal.

<?php
　　　echo "If this function returns 0, then the two strings are equal.";
　　　echo "<br> The result is: ";
　　　echo strcmp("Hello world!","Hello world!");
?>

Output Result

If this function returns 0, then the two strings are equal.
The result is: 0

PHP String String Function Manual