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