String Functions

strcmp

(PHP 4, PHP 5, PHP 7)

strcmp — Binary safe string comparison

Description

int strcmp ( string $str1 , string $str2 )

Note that this comparison is case sensitive.

Parameters

str1: The first string.
str2: The second string.

Return Values

Returns < 0 if str1 is less than str2; > 0 if str1 is greater than str2, and 0 if they are equal.

Examples

Example #1 strcmp() example


<?php
$var1 = "Hello";
$var2 = "hello";
if (strcmp($var1, $var2) !== 0) {
    echo '$var1 is not equal to $var2 in a case sensitive string comparison';
}
?>

See Also

strcasecmp() - Binary safe case-insensitive string comparison
preg_match() - Perform a regular expression match
substr_compare() - Binary safe comparison of two strings from an offset, up to length characters
strncmp() - Binary safe string comparison of the first n characters
strstr() - Find the first occurrence of a string
substr() - Return part of a string

String Functions