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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\TextData;
use PhpOffice\PhpSpreadsheet\Calculation\Exception as CalcExp;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
use PhpOffice\PhpSpreadsheet\Shared\StringHelper;
class Search
{
/**
* FIND (case sensitive search).
*
* @param mixed $needle The string to look for
* @param mixed $haystack The string in which to look
* @param mixed $offset Integer offset within $haystack to start searching from
*
* @return int|string
*/
public static function sensitive($needle, $haystack, $offset = 1)
{
try {
$needle = Helpers::extractString($needle);
$haystack = Helpers::extractString($haystack);
$offset = Helpers::extractInt($offset, 1, 0, true);
} catch (CalcExp $e) {
return $e->getMessage();
}
if (StringHelper::countCharacters($haystack) >= $offset) {
if (StringHelper::countCharacters($needle) === 0) {
return $offset;
}
$pos = mb_strpos($haystack, $needle, --$offset, 'UTF-8');
if ($pos !== false) {
return ++$pos;
}
}
return Functions::VALUE();
}
/**
* SEARCH (case insensitive search).
*
* @param mixed $needle The string to look for
* @param mixed $haystack The string in which to look
* @param mixed $offset Integer offset within $haystack to start searching from
*
* @return int|string
*/
public static function insensitive($needle, $haystack, $offset = 1)
{
try {
$needle = Helpers::extractString($needle);
$haystack = Helpers::extractString($haystack);
$offset = Helpers::extractInt($offset, 1, 0, true);
} catch (CalcExp $e) {
return $e->getMessage();
}
if (StringHelper::countCharacters($haystack) >= $offset) {
if (StringHelper::countCharacters($needle) === 0) {
return $offset;
}
$pos = mb_stripos($haystack, $needle, --$offset, 'UTF-8');
if ($pos !== false) {
return ++$pos;
}
}
return Functions::VALUE();
}
}