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inhereinhere
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add new string helper method
1 parent 8d1a119 commit 115887c

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3 files changed

+359
-292
lines changed

3 files changed

+359
-292
lines changed

‎src/Str/StringHelper.php‎

Lines changed: 25 additions & 292 deletions
Original file line numberDiff line numberDiff line change
@@ -14,6 +14,7 @@
1414
use Toolkit\Stdlib\Str\Traits\StringCheckHelperTrait;
1515
use Toolkit\Stdlib\Str\Traits\StringLengthHelperTrait;
1616
use Toolkit\Stdlib\Str\Traits\StringSplitHelperTrait;
17+
use Toolkit\Stdlib\Str\Traits\StringTruncateHelperTrait;
1718
use Toolkit\Stdlib\Util\UUID;
1819
use function array_merge;
1920
use function array_slice;
@@ -62,6 +63,7 @@ abstract class StringHelper
6263
use StringCheckHelperTrait;
6364
use StringLengthHelperTrait;
6465
use StringSplitHelperTrait;
66+
use StringTruncateHelperTrait;
6567

6668
/**
6769
* @param string $str
@@ -192,302 +194,11 @@ public static function genUid(int $length = 7): string
192194
*
193195
* @return UUID
194196
*/
195-
public static function genUUID($version = 1, $node = null, $ns = null)
197+
public static function genUUID(int $version = 1, $node = null, $ns = null)
196198
{
197199
return UUID::generate($version, $node, $ns);
198200
}
199201

200-
////////////////////////////////////////////////////////////////////////
201-
/// Truncate
202-
////////////////////////////////////////////////////////////////////////
203-
204-
/**
205-
* @param string $str
206-
* @param int $start
207-
* @param int|null $length
208-
* @param string $encoding
209-
*
210-
* @return bool|string
211-
*/
212-
public static function substr(string $str, int $start, int $length = null, string $encoding = 'utf-8')
213-
{
214-
if (function_exists('mb_substr')) {
215-
return mb_substr($str, $start, ($length === null ? self::strlen($str) : (int)$length), $encoding);
216-
}
217-
218-
return substr($str, $start, ($length === null ? self::strlen($str) : (int)$length));
219-
}
220-
221-
/**
222-
* @from web
223-
* utf-8编码下截取中文字符串,参数可以参照substr函数
224-
*
225-
* @param string $str 要进行截取的字符串
226-
* @param int $start 要进行截取的开始位置，负数为反向截取
227-
* @param int $end 要进行截取的长度
228-
*
229-
* @return string
230-
*/
231-
public static function utf8SubStr(string $str, int $start = 0, int $end = null): string
232-
{
233-
if (empty($str)) {
234-
return '';
235-
}
236-
237-
if (function_exists('mb_substr')) {
238-
if (func_num_args() >= 3) {
239-
$end = func_get_arg(2);
240-
241-
return mb_substr($str, $start, $end, 'utf-8');
242-
}
243-
244-
mb_internal_encoding('UTF-8');
245-
246-
return mb_substr($str, $start);
247-
}
248-
249-
$null = '';
250-
preg_match_all('/./u', $str, $ar);
251-
252-
if (func_num_args() >= 3) {
253-
$end = func_get_arg(2);
254-
return implode($null, array_slice($ar[0], $start, $end));
255-
}
256-
257-
return implode($null, array_slice($ar[0], $start));
258-
}
259-
260-
/**
261-
* @from web
262-
* 中文截取，支持gb2312,gbk,utf-8,big5 *
263-
*
264-
* @param string $str 要截取的字串
265-
* @param int $start 截取起始位置
266-
* @param int $length 截取长度
267-
* @param string $charset utf-8|gb2312|gbk|big5 编码
268-
* @param bool $suffix 是否加尾缀
269-
*
270-
* @return string
271-
*/
272-
public static function zhSubStr($str, $start = 0, $length = 0, $charset = 'utf-8', $suffix = true): string
273-
{
274-
if (function_exists('mb_substr')) {
275-
if (mb_strlen($str, $charset) <= $length) {
276-
return $str;
277-
}
278-
279-
$slice = mb_substr($str, $start, $length, $charset);
280-
} else {
281-
$re['utf-8'] = "/[\x01-\x7f]|[\xc2-\xdf][\x80-\xbf]|[\xe0-\xef][\x80-\xbf]{2}|[\xf0-\xff][\x80-\xbf]{3}/";
282-
$re['gb2312'] = "/[\x01-\x7f]|[\xb0-\xf7][\xa0-\xfe]/";
283-
$re['gbk'] = "/[\x01-\x7f]|[\x81-\xfe][\x40-\xfe]/";
284-
$re['big5'] = "/[\x01-\x7f]|[\x81-\xfe]([\x40-\x7e]|\xa1-\xfe])/";
285-
286-
preg_match_all($re[$charset], $str, $match);
287-
if (count($match[0]) <= $length) {
288-
return $str;
289-
}
290-
291-
$slice = implode('', array_slice($match[0], $start, $length));
292-
}
293-
294-
return (bool)$suffix ? $slice . '…' : $slice;
295-
}
296-
297-
/**
298-
* Truncate strings
299-
*
300-
* @param string $str
301-
* @param int $maxLength Max length
302-
* @param string $suffix Suffix optional
303-
*
304-
* @return string $str truncated
305-
*/
306-
/* CAUTION : Use it only on module hookEvents.
307-
** For other purposes use the smarty function instead */
308-
public static function truncate(string $str, $maxLength, $suffix = '...'): string
309-
{
310-
if (self::strlen($str) <= $maxLength) {
311-
return $str;
312-
}
313-
314-
$str = utf8_decode($str);
315-
316-
return utf8_encode(substr($str, 0, $maxLength - self::strlen($suffix)) . $suffix);
317-
}
318-
319-
/**
320-
* 字符截断输出
321-
*
322-
* @param string $str
323-
* @param int $start
324-
* @param null|int $length
325-
*
326-
* @return string
327-
*/
328-
public static function truncate2(string $str, int $start, int $length = null): string
329-
{
330-
if (!$length) {
331-
$length = $start;
332-
$start = 0;
333-
}
334-
335-
if (strlen($str) <= $length) {
336-
return $str;
337-
}
338-
339-
if (function_exists('mb_substr')) {
340-
$str = mb_substr(strip_tags($str), $start, $length, 'utf-8');
341-
} else {
342-
$str = substr($str, $start, $length) . '...';
343-
}
344-
345-
return $str;
346-
}
347-
348-
/**
349-
* Copied from CakePHP String utility file
350-
*
351-
* @param string $text
352-
* @param int $length
353-
* @param array $options
354-
*
355-
* @return bool|string
356-
*/
357-
public static function truncate3(string $text, int $length = 120, array $options = [])
358-
{
359-
$default = [
360-
'ellipsis' => '...',
361-
'exact' => true,
362-
'html' => true
363-
];
364-
365-
$options = array_merge($default, $options);
366-
$ellipsis = $options['ellipsis'];
367-
$exact = $options['exact'];
368-
$html = $options['html'];
369-
370-
/**
371-
* @var string $ellipsis
372-
* @var bool $exact
373-
* @var bool $html
374-
*/
375-
if ($html) {
376-
if (self::strlen(\preg_replace('/<.*?>/', '', $text)) <= $length) {
377-
return $text;
378-
}
379-
380-
$total_length = self::strlen(strip_tags($ellipsis));
381-
$open_tags = $tags = [];
382-
$truncate = '';
383-
preg_match_all('/(<\/?([\w+]+)[^>]*>)?([^<>]*)/', $text, $tags, PREG_SET_ORDER);
384-
385-
foreach ($tags as $tag) {
386-
if (!preg_match('/img|br|input|hr|area|base|basefont|col|frame|isindex|link|meta|param/', $tag[2])) {
387-
if (preg_match('/<[\w]+[^>]*>/', $tag[0])) {
388-
array_unshift($open_tags, $tag[2]);
389-
} elseif (preg_match('/<\/([\w]+)[^>]*>/', $tag[0], $close_tag)) {
390-
$pos = array_search($close_tag[1], $open_tags, true);
391-
if ($pos !== false) {
392-
array_splice($open_tags, $pos, 1);
393-
}
394-
}
395-
}
396-
$truncate .= $tag[1];
397-
$content_length = self::strlen(preg_replace(
398-
'/&[0-9a-z]{2,8};|&#[\d]{1,7};|&#x[0-9a-f]{1,6};/i',
399-
' ',
400-
$tag[3]
401-
));
402-
403-
if ($content_length + $total_length > $length) {
404-
$left = $length - $total_length;
405-
$entities_length = 0;
406-
407-
if (preg_match_all(
408-
'/&[0-9a-z]{2,8};|&#[\d]{1,7};|&#x[0-9a-f]{1,6};/i',
409-
$tag[3],
410-
$entities,
411-
PREG_OFFSET_CAPTURE
412-
)
413-
) {
414-
foreach ((array)$entities[0] as $entity) {
415-
if ($entity[1] + 1 - $entities_length <= $left) {
416-
$left--;
417-
$entities_length += self::strlen($entity[0]);
418-
} else {
419-
break;
420-
}
421-
}
422-
}
423-
424-
$truncate .= self::substr($tag[3], 0, $left + $entities_length);
425-
break;
426-
}
427-
428-
$truncate .= $tag[3];
429-
$total_length += $content_length;
430-
431-
if ($total_length >= $length) {
432-
break;
433-
}
434-
}
435-
} else {
436-
if (self::strlen($text) <= $length) {
437-
return $text;
438-
}
439-
440-
$truncate = self::substr($text, 0, $length - self::strlen($ellipsis));
441-
}
442-
443-
$open_tags = null;
444-
445-
if (!$exact) {
446-
$spacepos = self::strrpos($truncate, ' ');
447-
if ($html) {
448-
$truncate_check = self::substr($truncate, 0, $spacepos);
449-
$last_open_tag = self::strrpos($truncate_check, '<');
450-
$last_close_tag = self::strrpos($truncate_check, '>');
451-
452-
if ($last_open_tag > $last_close_tag) {
453-
preg_match_all('/<[\w]+[^>]*>/', $truncate, $last_tag_matches);
454-
$last_tag = array_pop($last_tag_matches[0]);
455-
$spacepos = self::strrpos($truncate, $last_tag) + self::strlen($last_tag);
456-
}
457-
458-
$bits = self::substr($truncate, $spacepos);
459-
preg_match_all('/<\/([a-z]+)>/', $bits, $dropped_tags, PREG_SET_ORDER);
460-
461-
/** @var array $dropped_tags */
462-
if (!empty($dropped_tags)) {
463-
if (!empty($open_tags)) {
464-
foreach ($dropped_tags as $closing_tag) {
465-
if (!in_array($closing_tag[1], $open_tags, true)) {
466-
array_unshift($open_tags, $closing_tag[1]);
467-
}
468-
}
469-
} else {
470-
foreach ($dropped_tags as $closing_tag) {
471-
$open_tags[] = $closing_tag[1];
472-
}
473-
}
474-
}
475-
}
476-
477-
$truncate = self::substr($truncate, 0, $spacepos);
478-
}
479-
480-
$truncate .= $ellipsis;
481-
482-
if ($html && $open_tags) {
483-
foreach ((array)$open_tags as $tag) {
484-
$truncate .= '</' . $tag . '>';
485-
}
486-
}
487-
488-
return $truncate;
489-
}
490-
491202
////////////////////////////////////////////////////////////////////////
492203
/// Format
493204
////////////////////////////////////////////////////////////////////////
@@ -597,4 +308,26 @@ public static function deleteStripSpace($fileName, $type = 0)
597308

598309
return preg_replace($preg_arr, '', $data);
599310
}
311+
312+
////////////////////////////////////////////////////////////
313+
/// Other
314+
////////////////////////////////////////////////////////////
315+
316+
/**
317+
* @param string $arg
318+
*
319+
* @return string
320+
*/
321+
public static function shellQuote(string $arg): string
322+
{
323+
$quote = '';
324+
325+
if (strpos($arg, '"') !== false) {
326+
$quote = "'";
327+
} elseif ($arg === '' || strpos($arg, "'") !== false || strpos($arg, ' ') !== false) {
328+
$quote = '"';
329+
}
330+
331+
return $quote ? $arg : "$quote{$arg}$quote";
332+
}
600333
}

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