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PHP UTF8::wordwrap方法代码示例

本文整理汇总了PHP中UTF8::wordwrap方法的典型用法代码示例。如果您正苦于以下问题:PHP UTF8::wordwrap方法的具体用法?PHP UTF8::wordwrap怎么用?PHP UTF8::wordwrap使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在UTF8的用法示例。


在下文中一共展示了UTF8::wordwrap方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的PHP代码示例。

示例1: word_wrap

 /**
  * Word Wrap
  *
  * Wraps text at the specified character. Maintains the integrity of words.
  * Anything placed between {unwrap}{/unwrap} will not be word wrapped, nor
  * will URLs.
  *
  * @param       string      $str                the text string
  * @param       int         $charlim = 76       the number of characters to wrap at
  * @return      string
  */
 function word_wrap($str, $charlim = 76)
 {
     // Set the character limit
     is_numeric($charlim) or $charlim = 76;
     // Reduce multiple spaces
     $str = preg_replace('| +|' . (IS_UTF8_CHARSET && PCRE_UTF8_INSTALLED ? 'u' : ''), ' ', $str);
     // Standardize newlines
     if (strpos($str, "\r") !== FALSE) {
         $str = str_replace(array("\r\n", "\r"), "\n", $str);
     }
     // If the current word is surrounded by {unwrap} tags we'll
     // strip the entire chunk and replace it with a marker.
     $unwrap = array();
     if (preg_match_all('|\\{unwrap\\}(.+?)\\{/unwrap\\}|s' . (IS_UTF8_CHARSET && PCRE_UTF8_INSTALLED ? 'u' : ''), $str, $matches)) {
         for ($i = 0, $c = count($matches[0]); $i < $c; $i++) {
             $unwrap[] = $matches[1][$i];
             $str = str_replace($matches[0][$i], '{{unwrapped' . $i . '}}', $str);
         }
     }
     // Use PHP's native function to do the initial wordwrap.
     // We set the cut flag to FALSE so that any individual words that are
     // too long get left alone. In the next step we'll deal with them.
     $str = UTF8::wordwrap($str, $charlim, "\n", FALSE);
     // Split the string into individual lines of text and cycle through them
     $output = '';
     foreach (explode("\n", $str) as $line) {
         // Is the line within the allowed character count?
         // If so we'll join it to the output and continue
         if (UTF8::strlen($line) <= $charlim) {
             $output .= $line . "\n";
             continue;
         }
         $temp = '';
         while (UTF8::strlen($line) > $charlim) {
             // If the over-length word is a URL we won't wrap it
             if (preg_match('!\\[url.+\\]|://|www\\.!' . (IS_UTF8_CHARSET && PCRE_UTF8_INSTALLED ? 'u' : ''), $line)) {
                 break;
             }
             // Trim the word down
             $temp .= UTF8::substr($line, 0, $charlim - 1);
             $line = UTF8::substr($line, $charlim - 1);
         }
         // If $temp contains data it means we had to split up an over-length
         // word into smaller chunks so we'll add it back to our current line
         if ($temp !== '') {
             $output .= $temp . "\n" . $line . "\n";
         } else {
             $output .= $line . "\n";
         }
     }
     // Put our markers back
     if (count($unwrap) > 0) {
         foreach ($unwrap as $key => $val) {
             $output = str_replace('{{unwrapped' . $key . '}}', $val, $output);
         }
     }
     return $output;
 }
开发者ID:roniwahyu,项目名称:starter-public-edition-3,代码行数:69,代码来源:MY_text_helper.php


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