| 1: | <?php
|
| 2: |
|
| 3: | namespace ngatngay;
|
| 4: |
|
| 5: | class str
|
| 6: | {
|
| 7: | |
| 8: | |
| 9: | |
| 10: |
|
| 11: | public static function empty($string)
|
| 12: | {
|
| 13: | return strlen($string) === 0;
|
| 14: | }
|
| 15: |
|
| 16: |
|
| 17: | |
| 18: | |
| 19: | |
| 20: | |
| 21: | |
| 22: |
|
| 23: | public static function wordCut($string, $words = 35, $end = '...')
|
| 24: | {
|
| 25: | preg_match('/^\s*+(?:\S++\s*+){1,' . $words . '}/u', $string, $matches);
|
| 26: |
|
| 27: | if (!isset($matches[0]) || self::length($string) === self::length($matches[0])) {
|
| 28: | return $string;
|
| 29: | }
|
| 30: |
|
| 31: | return rtrim($matches[0]) . $end;
|
| 32: | }
|
| 33: |
|
| 34: | public static function br2nl(string $str): string
|
| 35: | {
|
| 36: | return preg_replace('#<br\s*/?>#i', PHP_EOL, $str);
|
| 37: | }
|
| 38: |
|
| 39: | public static function length(string $str): int
|
| 40: | {
|
| 41: | return mb_strlen($str);
|
| 42: | }
|
| 43: |
|
| 44: | |
| 45: | |
| 46: | |
| 47: | |
| 48: |
|
| 49: | public static function vn2en($str)
|
| 50: | {
|
| 51: | $unicode = [
|
| 52: | 'a' => '/á|à|ả|ã|ạ|ă|ắ|ặ|ằ|ẳ|ẵ|â|ấ|ầ|ẩ|ẫ|ậ/',
|
| 53: | 'd' => '/đ/',
|
| 54: | 'e' => '/é|è|ẻ|ẽ|ẹ|ê|ế|ề|ể|ễ|ệ/',
|
| 55: | 'i' => '/í|ì|ỉ|ĩ|ị/',
|
| 56: | 'o' => '/ó|ò|ỏ|õ|ọ|ô|ố|ồ|ổ|ỗ|ộ|ơ|ớ|ờ|ở|ỡ|ợ/',
|
| 57: | 'u' => '/ú|ù|ủ|ũ|ụ|ư|ứ|ừ|ử|ữ|ự/',
|
| 58: | 'y' => '/ý|ỳ|ỷ|ỹ|ỵ/',
|
| 59: | 'A' => '/Á|À|Ả|Ã|Ạ|Ă|Ắ|Ặ|Ằ|Ằ|Ẵ|Â|Ấ|Ầ|Ẩ|Ẫ|Ậ/',
|
| 60: | 'D' => '/Đ/',
|
| 61: | 'E' => '/É|È|Ẻ|Ẽ|Ẹ|Ê|Ế|Ề|Ể|Ễ|Ệ/',
|
| 62: | 'I' => '/Í|Ì|Ỉ|Ĩ|Ị/',
|
| 63: | 'O' => '/Ó|Ò|Ỏ|Õ|Ọ|Ô|Ố|Ồ|Ổ|Ỗ|Ộ|Ơ|Ớ|Ờ|Ở|Ỡ|Ợ/',
|
| 64: | 'U' => '/Ú|Ù|Ủ|Ũ|Ụ|Ư|Ứ|Ừ|Ử|Ữ|Ự/',
|
| 65: | 'Y' => '/Ý|Ỳ|Ỷ|Ỹ|Ỵ/'
|
| 66: | ];
|
| 67: |
|
| 68: | return preg_replace(array_values($unicode), array_keys($unicode), $str);
|
| 69: | }
|
| 70: |
|
| 71: | public static function replace_first($needle, $replace, $haystack)
|
| 72: | {
|
| 73: | $pos = strpos($haystack, $needle);
|
| 74: |
|
| 75: | if ($pos !== false) {
|
| 76: | return substr_replace($haystack, $replace, $pos, strlen($needle));
|
| 77: | }
|
| 78: |
|
| 79: | return $haystack;
|
| 80: | }
|
| 81: | }
|
| 82: | |