strcmp

(PHP 4, PHP 5, PHP 7, PHP 8)

strcmpBinary safe string comparison

Description

strcmp(string $string1, string $string2): int

Note that this comparison is case sensitive.

Parameters

string1

The first string.

string2

The second string.

Return Values

Returns < 0 if string1 is less than string2; > 0 if string1 is greater than string2, 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

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