SHOW:
|
|
- or go back to the newest paste.
1 | - | function getWords(string $string, int $words): string |
1 | + | function getWords(string $string, int $words, int $offset = 0): string |
2 | { | |
3 | $ret = ''; | |
4 | ||
5 | $insideTag = FALSE; | |
6 | $wCount = 0; | |
7 | $lastChar = NULL; | |
8 | $offset = max($offset, 0); | |
9 | - | for ($i = 0; ($i < \mb_strlen($string)) && ($wCount < $words); $i++) |
9 | + | |
10 | for ($i = 0; ($i < \mb_strlen($string)) && ($wCount < ($words + $offset)); $i++) | |
11 | { | |
12 | $char = \mb_substr($string, $i, 1); | |
13 | ||
14 | if ($char === '<') | |
15 | { | |
16 | $insideTag = TRUE; | |
17 | ||
18 | if (\ctype_alnum($lastChar)) | |
19 | { | |
20 | $wCount++; | |
21 | } | |
22 | } | |
23 | else if ($char === '>') | |
24 | { | |
25 | $insideTag = FALSE; | |
26 | } | |
27 | else if (!\ctype_alnum($char)) | |
28 | { | |
29 | if (!$insideTag && \ctype_alnum($lastChar)) | |
30 | { | |
31 | $wCount++; | |
32 | } | |
33 | } | |
34 | ||
35 | $lastChar = $char; | |
36 | - | if (!$insideTag && ($char !== '>')) |
36 | + | |
37 | if (!$insideTag && ($char !== '>') && ($wCount >= $offset)) | |
38 | { | |
39 | $ret .= $char; | |
40 | } | |
41 | } | |
42 | ||
43 | $ret = trim($ret); | |
44 | ||
45 | while (!\ctype_alnum(\mb_substr($ret, 0, 1))) | |
46 | { | |
47 | $ret = \mb_substr($ret, 1); | |
48 | } | |
49 | ||
50 | return $ret; | |
51 | } |