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PHP Manual [strcmp]

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PHP Manual || String Functions

(PHP 4, PHP 5, PHP 7)

strcmpBinary safe string comparison


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

Note that this comparison is case sensitive.



The first string.


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.


Example #1 strcmp() example

$var2 "hello";
if (
strcmp($var1$var2) !== 0) {
'$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

PHP Manual || String Functions