/**
* UTF8::strrpos
*
* @package Kohana
* @author Kohana Team
* @copyright (c) 2007-2012 Kohana Team
* @copyright (c) 2005 Harry Fuecks
* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt
*/
function _strrpos($str, $search, $offset = 0)
{
$offset = (int) $offset;
if (UTF8::is_ascii($str) and UTF8::is_ascii($search)) {
return strrpos($str, $search, $offset);
}
if ($offset == 0) {
$array = explode($search, $str, -1);
return isset($array[0]) ? UTF8::strlen(implode($search, $array)) : FALSE;
}
$str = UTF8::substr($str, $offset);
$pos = UTF8::strrpos($str, $search);
return $pos === FALSE ? FALSE : $pos + $offset;
}
/**
* Tests UTF8::strrpos
*
* @test
* @dataProvider provider_strrpos
*/
public function test_strrpos($input, $str, $offset, $expected)
{
$this->assertSame($expected, UTF8::strrpos($input, $str, $offset));
UTF8::$server_utf8 = !UTF8::$server_utf8;
$this->assertSame($expected, UTF8::strrpos($input, $str, $offset));
UTF8::$server_utf8 = !UTF8::$server_utf8;
}
/**
* Finds position of last occurrence of a char in a UTF-8 string. This is
* a UTF8-aware version of [strrpos](http://php.net/strrpos).
*
* $position = UTF8::strrpos($str, $search);
*
* @author Harry Fuecks <*****@*****.**>
* @param string haystack
* @param string needle
* @param integer offset from which character in haystack to start searching
* @return integer position of needle
* @return boolean FALSE if the needle is not found
* @uses IS_MBSTRING
*/
public static function strrpos($str, $search, $offset = 0)
{
$offset = (int) $offset;
if (IS_MBSTRING) {
return mb_strrpos($str, $search, $offset, Core::$charset);
}
if (UTF8::is_ascii($str) and UTF8::is_ascii($search)) {
return strrpos($str, $search, $offset);
}
if ($offset == 0) {
$array = explode($search, $str, -1);
return isset($array[0]) ? UTF8::strlen(implode($search, $array)) : FALSE;
}
$str = UTF8::substr($str, $offset);
$pos = UTF8::strrpos($str, $search);
return $pos === FALSE ? FALSE : $pos + $offset;
}
/**
* Tests UTF8::strrpos
*
* @test
* @dataProvider provider_strrpos
*/
public function test_strrpos($input, $str, $offset, $expected)
{
$this->assertSame($expected, UTF8::strrpos($input, $str, $offset));
}
