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| <?php | |
| declare(strict_types = 1); | |
| namespace Siesta\Util; | |
| /** | |
| * @author Gregor Müller | |
| */ | |
| class StringUtil | |
| { | |
| /** | |
| * @param string $haystack | |
| * @param string $needle | |
| * | |
| * @return bool | |
| */ | |
| public static function startsWith($haystack, $needle) | |
| { | |
| return !strncmp($haystack, $needle, strlen($needle)); | |
| } | |
| /** | |
| * @param $haystack | |
| * @param $needle | |
| * | |
| * @return bool | |
| */ | |
| public static function endsWith($haystack, $needle) | |
| { | |
| return $needle === "" || substr($haystack, -strlen($needle)) === $needle; | |
| } | |
| /** | |
| * @param $value | |
| * @param int $maxLength | |
| * | |
| * @return bool|int|null|string | |
| */ | |
| public static function trimToNull($value, $maxLength = null) | |
| { | |
| if ($value === null) { | |
| return null; | |
| } | |
| // preserve 0 | |
| if ($value === 0 || $value === "0") { | |
| return "0"; | |
| } | |
| // trim it | |
| $value = trim($value); | |
| if ($value === "") { | |
| return null; | |
| } | |
| if ($maxLength === 0 || $maxLength === null) { | |
| return $value; | |
| } | |
| return substr($value, 0, $maxLength); | |
| } | |
| /** | |
| * @param string $haystack | |
| * @param string $needle | |
| * | |
| * @return string | |
| */ | |
| public static function getEndAfterLast(string $haystack, string $needle) : string | |
| { | |
| $lastOccurence = strrchr($haystack, $needle); | |
| if ($lastOccurence === false) { | |
| return $haystack; | |
| } | |
| return ltrim($lastOccurence, $needle); | |
| } | |
| /** | |
| * @param string $haystack | |
| * @param string $needle | |
| * | |
| * @return string | |
| */ | |
| public static function getStartBeforeLast($haystack, $needle) | |
| { | |
| $end = self::getEndAfterLast($haystack, $needle); | |
| return str_replace($needle . $end, "", $haystack); | |
| } | |
| } |