PHP strcoll()Functions

PHP String 参考手册PHP String Reference Manual

Examples

Compare strings:

<?php
setlocale (LC_COLLATE, 'NL');
echo strcoll("Hello World!","Hello World!");
echo "<br>";

setlocale (LC_COLLATE, 'en_US');
echo strcoll("Hello World!","Hello World!");
?>

Run example »

Definition and Usage

The strcoll() function compares two strings.

The comparison of strings may vary depending on the locale settings (A<a or A>a).

Note:strcoll() is case-sensitive, but not binary-safe.

Note:If the current locale is C or POSIX, this function works the same asstrcmp()the same.

Syntax

strcoll(string1,string2)

Parameter Description
string1 Required. Specifies the first string to compare.
string2 Required. Specifies the second string to compare.

Technical Details

Return value: This function returns:
  • 0 - if the two strings are equal
  • <0 - if string1 is less than string2
  • >0 - if string1 is greater than string2
PHP Version: 4.0.5+
Changelog: As of PHP 4.2.3, this function works on win32.

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