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ctype_digit() replacement
work in progress
This commit is contained in:
marj
@ -9,9 +9,9 @@
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* Text processing and parsing functions
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* Text processing and parsing functions
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*
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*
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* $Source: /cvs_backup/e107_0.8/e107_handlers/e_parse_class.php,v $
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* $Source: /cvs_backup/e107_0.8/e107_handlers/e_parse_class.php,v $
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* $Revision: 1.55 $
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* $Revision: 1.56 $
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* $Date: 2009-07-23 15:29:07 $
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* $Date: 2009-08-08 14:14:39 $
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* $Author: secretr $
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* $Author: marj_nl_fr $
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*
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*
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*/
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*/
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if (!defined('e107_INIT')) { exit; }
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if (!defined('e107_INIT')) { exit; }
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@ -387,10 +387,14 @@ class e_parse
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$nobreak is a list of tags within which word wrap is to be inactive
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$nobreak is a list of tags within which word wrap is to be inactive
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*/
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*/
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//TODO handle htmlwrap somehow
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return $str;
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return $str;
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if (!ctype_digit($width)) return $str; // Don't wrap if non-numeric width
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// Don't wrap if non-numeric width
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if ($width < 6) return $str; // Trap stupid wrap counts, as well
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$width = intval($width);
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// And trap stupid wrap counts
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if ($width < 6)
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return $str;
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// Transform protected element lists into arrays
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// Transform protected element lists into arrays
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$nobreak = explode(" ", strtolower($nobreak));
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$nobreak = explode(" ", strtolower($nobreak));
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@ -406,7 +410,8 @@ class e_parse
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// Is $str a UTF8 string?
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// Is $str a UTF8 string?
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if ($utf || strtolower(CHARSET) == 'utf-8')
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if ($utf || strtolower(CHARSET) == 'utf-8')
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{ // 0x1680, 0x180e, 0x2000-0x200a, 0x2028, 0x205f, 0x3000 are 'non-ASCII' Unicode UCS-4 codepoints - see http://www.unicode.org/Public/UNIDATA/UnicodeData.txt
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{
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// 0x1680, 0x180e, 0x2000-0x200a, 0x2028, 0x205f, 0x3000 are 'non-ASCII' Unicode UCS-4 codepoints - see http://www.unicode.org/Public/UNIDATA/UnicodeData.txt
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// All convert to 3-byte utf-8 sequences:
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// All convert to 3-byte utf-8 sequences:
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// 0x1680 0xe1 0x9a 0x80
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// 0x1680 0xe1 0x9a 0x80
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// 0x180e 0xe1 0xa0 0x8e
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// 0x180e 0xe1 0xa0 0x8e
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@ -423,23 +428,26 @@ class e_parse
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else
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else
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{
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{
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$utf8 = '';
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$utf8 = '';
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$whiteSpace = '#(\s+)#'; // For non-utf-8, can use a simple match string
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// For non-utf-8, can use a simple match string
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$whiteSpace = '#(\s+)#';
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}
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}
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// Start of the serious stuff - split into HTML tags and text between
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// Start of the serious stuff - split into HTML tags and text between
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$content = preg_split('#(<.*?>)#mis', $str, -1, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE );
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$content = preg_split('#(<.*?'.'>)#mis', $str, -1, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE );
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foreach($content as $value)
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foreach($content as $value)
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{
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{
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if ($value[0] == "<")
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if ($value[0] == "<")
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{ // We are within an HTML tag
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{
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// We are within an HTML tag
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// Create a lowercase copy of this tag's contents
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// Create a lowercase copy of this tag's contents
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$lvalue = strtolower(substr($value,1,-1));
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$lvalue = strtolower(substr($value,1,-1));
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if ($lvalue)
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if ($lvalue)
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{ // Tag of non-zero length
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{ // Tag of non-zero length
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// If the first character is not a / then this is an opening tag
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// If the first character is not a / then this is an opening tag
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if ($lvalue[0] != "/")
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if ($lvalue[0] != "/")
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{ // Collect the tag name
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{
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// Collect the tag name
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preg_match("/^(\w*?)(\s|$)/", $lvalue, $t);
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preg_match("/^(\w*?)(\s|$)/", $lvalue, $t);
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// If this is a protected element, activate the associated protection flag
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// If this is a protected element, activate the associated protection flag
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@ -465,12 +473,14 @@ class e_parse
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}
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}
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else
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else
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{
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{
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$value = ''; // Eliminate any empty tags altogether
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// Eliminate any empty tags altogether
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$value = '';
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}
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}
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// Else if we're outside any tags, and with non-zero length string...
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// Else if we're outside any tags, and with non-zero length string...
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}
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}
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elseif ($value)
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elseif ($value)
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{ // If unprotected...
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{
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// If unprotected...
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if (!count($innbk))
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if (!count($innbk))
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{
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{
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// Use the ACK (006) ASCII symbol to replace all HTML entities temporarily
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// Use the ACK (006) ASCII symbol to replace all HTML entities temporarily
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@ -487,14 +497,16 @@ class e_parse
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// echo "Split length ".strlen($sp).': '.substr($sp,20).'<br />';
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// echo "Split length ".strlen($sp).': '.substr($sp,20).'<br />';
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$loopCount = 0;
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$loopCount = 0;
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while (strlen($sp) > $width)
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while (strlen($sp) > $width)
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{ // Enough characters that we may need to do something.
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{
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// Enough characters that we may need to do something.
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$pulled = '';
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$pulled = '';
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if ($utf8)
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if ($utf8)
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{
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{
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// Pull out a piece of the maximum permissible length
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// Pull out a piece of the maximum permissible length
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if (preg_match('#^((?:[\x00-\x7F]|[\xC0-\xFF][\x80-\xBF]+){0,'.$width.'})(.{0,1}).*#s',$sp,$matches) == 0)
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if (preg_match('#^((?:[\x00-\x7F]|[\xC0-\xFF][\x80-\xBF]+){0,'.$width.'})(.{0,1}).*#s',$sp,$matches) == 0)
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{
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{
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$value .= '[!<b>invalid utf-8: '.$sp.'<b>!]'; // Make any problems obvious for now
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// Make any problems obvious for now
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$value .= '[!<b>invalid utf-8: '.$sp.'<b>!]';
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$sp = '';
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$sp = '';
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}
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}
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elseif (empty($matches[2]))
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elseif (empty($matches[2]))
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@ -520,7 +532,8 @@ class e_parse
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$loopCount++;
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$loopCount++;
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if ($loopCount > 20)
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if ($loopCount > 20)
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{
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{
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$value .= '[!<b>loop count exceeded: '.$sp.'</b>!]'; // Make any problems obvious for now
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// Make any problems obvious for now
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$value .= '[!<b>loop count exceeded: '.$sp.'</b>!]';
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$sp = '';
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$sp = '';
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}
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}
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}
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}
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@ -528,10 +541,13 @@ class e_parse
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{
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{
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for ($i = min($width,strlen($sp)); $i > 0; $i--)
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for ($i = min($width,strlen($sp)); $i > 0; $i--)
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{
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{
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if (strpos($lbrks,$sp[$i-1]) !== FALSE) break; // No speed advantage to defining match character
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// No speed advantage to defining match character
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if (strpos($lbrks,$sp[$i-1]) !== FALSE)
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break;
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}
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}
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if ($i == 0)
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if ($i == 0)
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{ // No 'special' break boundary character found - break at the word boundary
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{
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// No 'special' break boundary character found - break at the word boundary
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$pulled = substr($sp,0,$width);
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$pulled = substr($sp,0,$width);
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}
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}
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else
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else
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@ -542,10 +558,12 @@ class e_parse
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if ($pulled)
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if ($pulled)
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{
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{
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$value .= $pulled.$break;
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$value .= $pulled.$break;
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$sp = substr($sp,strlen($pulled)); // Shorten $sp by whatever we've processed (will work even for utf-8)
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// Shorten $sp by whatever we've processed (will work even for utf-8)
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$sp = substr($sp,strlen($pulled));
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}
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}
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}
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}
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$value .= $sp; // Add in any residue
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// Add in any residue
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$value .= $sp;
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}
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}
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// Put captured HTML entities back into the string
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// Put captured HTML entities back into the string
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foreach ($ents[0] as $ent) $value = preg_replace("/\x06/", $ent, $value, 1);
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foreach ($ents[0] as $ent) $value = preg_replace("/\x06/", $ent, $value, 1);
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