Binary safe string comparison (original) (raw)

strcmp

(PHP 4, PHP 5, PHP 7)

strcmp — Binary safe string comparison

Description

strcmp ( string $str1 , string $str2 ) : int

Note that this comparison is case sensitive.

Parameters

str1

The first string.

str2

The second string.

Return Values

Returns < 0 if str1 is less thanstr2; > 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