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| <?php | |
| /** | |
| * @param string $message | |
| * @param int $length | |
| * @param string $cap What to place at the end of the truncated message to indicate truncation. | |
| * @param string $delimiter | |
| * @param bool $removeLastDelimiter | |
| * @param bool $lengthInBytes | |
| * @param string|null $encoding | |
| * @return string | |
| */ | |
| function truncate(string $message, int $length, string $cap, string $delimiter = ' ', bool $removeLastDelimiter = true, bool $lengthInBytes = false, string $encoding = null): string | |
| { | |
| if ($encoding === null) { | |
| $encoding = mb_internal_encoding(); | |
| } | |
| if (($lengthInBytes ? strlen($message) : mb_strlen($message, $encoding)) <= $length) { | |
| return $message; | |
| } | |
| $firstCut = $lengthInBytes ? | |
| mb_strcut($message, 0, $length - strlen($cap), $encoding) : | |
| mb_substr($message, 0, $length - mb_strlen($cap, $encoding), $encoding); | |
| $lastDelimiter = mb_strrpos($firstCut, $delimiter, $encoding); | |
| return mb_substr($firstCut, 0, $removeLastDelimiter ? $lastDelimiter : $lastDelimiter + mb_strlen($delimiter, $encoding)) . $cap; | |
| } |
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