From 1a274a0c5971086ed1690094790ad12858a73fd4 Mon Sep 17 00:00:00 2001 From: Derek Allard Date: Fri, 30 Nov 2007 01:34:12 +0000 Subject: Fixed a bug in word_wrap() of the Text Helper that incorrectly referenced an object. --- system/helpers/text_helper.php | 422 +---------------------------------------- 1 file changed, 1 insertion(+), 421 deletions(-) (limited to 'system') diff --git a/system/helpers/text_helper.php b/system/helpers/text_helper.php index d315db0ff..fb50ba9d7 100644 --- a/system/helpers/text_helper.php +++ b/system/helpers/text_helper.php @@ -1,421 +1 @@ -= $n) - { - return trim($out).$end_char; - } - } -} - -// ------------------------------------------------------------------------ - -/** - * High ASCII to Entities - * - * Converts High ascii text and MS Word special characters to character entities - * - * @access public - * @param string - * @return string - */ -function ascii_to_entities($str) -{ - $count = 1; - $out = ''; - $temp = array(); - - for ($i = 0, $s = strlen($str); $i < $s; $i++) - { - $ordinal = ord($str[$i]); - - if ($ordinal < 128) - { - $out .= $str[$i]; - } - else - { - if (count($temp) == 0) - { - $count = ($ordinal < 224) ? 2 : 3; - } - - $temp[] = $ordinal; - - if (count($temp) == $count) - { - $number = ($count == 3) ? (($temp['0'] % 16) * 4096) + (($temp['1'] % 64) * 64) + ($temp['2'] % 64) : (($temp['0'] % 32) * 64) + ($temp['1'] % 64); - - $out .= '&#'.$number.';'; - $count = 1; - $temp = array(); - } - } - } - - return $out; -} - -// ------------------------------------------------------------------------ - -/** - * Entities to ASCII - * - * Converts character entities back to ASCII - * - * @access public - * @param string - * @param bool - * @return string - */ -function entities_to_ascii($str, $all = TRUE) -{ - if (preg_match_all('/\&#(\d+)\;/', $str, $matches)) - { - for ($i = 0, $s = count($matches['0']); $i < $s; $i++) - { - $digits = $matches['1'][$i]; - - $out = ''; - - if ($digits < 128) - { - $out .= chr($digits); - - } - elseif ($digits < 2048) - { - $out .= chr(192 + (($digits - ($digits % 64)) / 64)); - $out .= chr(128 + ($digits % 64)); - } - else - { - $out .= chr(224 + (($digits - ($digits % 4096)) / 4096)); - $out .= chr(128 + ((($digits % 4096) - ($digits % 64)) / 64)); - $out .= chr(128 + ($digits % 64)); - } - - $str = str_replace($matches['0'][$i], $out, $str); - } - } - - if ($all) - { - $str = str_replace(array("&", "<", ">", """, "'", "-"), - array("&","<",">","\"", "'", "-"), - $str); - } - - return $str; -} - -// ------------------------------------------------------------------------ - -/** - * Word Censoring Function - * - * Supply a string and an array of disallowed words and any - * matched words will be converted to #### or to the replacement - * word you've submitted. - * - * @access public - * @param string the text string - * @param string the array of censoered words - * @param string the optional replacement value - * @return string - */ -function word_censor($str, $censored, $replacement = '') -{ - if ( ! is_array($censored)) - { - return $str; - } - - $str = ' '.$str.' '; - foreach ($censored as $badword) - { - if ($replacement != '') - { - $str = preg_replace("/\b(".str_replace('\*', '\w*?', preg_quote($badword)).")\b/i", $replacement, $str); - } - else - { - $str = preg_replace("/\b(".str_replace('\*', '\w*?', preg_quote($badword)).")\b/ie", "str_repeat('#', strlen('\\1'))", $str); - } - } - - return trim($str); -} - -// ------------------------------------------------------------------------ - -/** - * Code Highlighter - * - * Colorizes code strings - * - * @access public - * @param string the text string - * @return string - */ -function highlight_code($str) -{ - // The highlight string function encodes and highlights - // brackets so we need them to start raw - $str = str_replace(array('<', '>'), array('<', '>'), $str); - - // Replace any existing PHP tags to temporary markers so they don't accidentally - // break the string out of PHP, and thus, thwart the highlighting. - - $str = str_replace(array('<?php', '?>', '\\'), array('phptagopen', 'phptagclose', 'backslashtmp'), $str); - - // The highlight_string function requires that the text be surrounded - // by PHP tags. Since we don't know if A) the submitted text has PHP tags, - // or B) whether the PHP tags enclose the entire string, we will add our - // own PHP tags around the string along with some markers to make replacement easier later - - $str = ''; - - // All the magic happens here, baby! - $str = highlight_string($str, TRUE); - - // Prior to PHP 5, the highlight function used icky font tags - // so we'll replace them with span tags. - if (abs(phpversion()) < 5) - { - $str = str_replace(array(''), array(''), $str); - $str = preg_replace('#color="(.*?)"#', 'style="color: \\1"', $str); - } - - // Remove our artificially added PHP - $str = preg_replace("#\.+?//tempstart\
\#is", "\n", $str); - $str = preg_replace("#\.+?//tempstart\
#is", "\n", $str); - $str = preg_replace("#//tempend.+#is", "\n", $str); - - // Replace our markers back to PHP tags. - $str = str_replace(array('phptagopen', 'phptagclose', 'backslashtmp'), array('<?php', '?>', '\\'), $str); //', $tag_close = '') -{ - if ($str == '') - { - return ''; - } - - if ($phrase != '') - { - return preg_replace('/('.preg_quote($phrase).')/i', $tag_open."\\1".$tag_close, $str); - } - - return $str; -} - -// ------------------------------------------------------------------------ - -/** - * Word Wrap - * - * Wraps text at the specified character. Maintains the integrity of words. - * Anything placed between {unwrap}{/unwrap} will not be word wrapped, nor - * will URLs. - * - * @access public - * @param string the text string - * @param integer the number of characters to wrap at - * @return string - */ -function word_wrap($str, $charlim = '76') -{ - // Se the character limit - if ( ! is_numeric($charlim)) - $charlim = 76; - - // Reduce multiple spaces - $str = preg_replace("| +|", " ", $str); - - // Standardize newlines - $str = preg_replace("/\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", $str, $matches)) - { - for ($i = 0; $i < count($matches['0']); $i++) - { - $unwrap[] = $matches['1'][$i]; - $str = str_replace($matches['1'][$i], "{{unwrapped".$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. - $str = wordwrap($str, $charlim, "\n", FALSE); - - // Split the string into individual lines of text and cycle through them - $output = ""; - foreach (explode("\n", $str) as $line) - { - // Is the line within the allowed character count? - // If so we'll join it to the output and continue - if (strlen($line) <= $charlim) - { - $output .= $line."\n"; - continue; - } - - $temp = ''; - while((strlen($line)) > $charlim) - { - // If the over-length word is a URL we won't wrap it - if (preg_match("!\[url.+\]|://|wwww.!", $line)) - { - break; - } - - // Trim the word down - $temp .= substr($line, 0, $charlim-1); - $line = substr($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 .= $temp.$this->newline.$line; - } - else - { - $output .= $line; - } - - $output .= "\n"; - } - - // Put our markers back - if (count($unwrap) > 0) - { - foreach ($unwrap as $key => $val) - { - $output = str_replace("{{unwrapped".$key."}}", $val, $output); - } - } - - // Remove the unwrap tags - $output = str_replace(array('{unwrap}', '{/unwrap}'), '', $output); - - return $output; -} - - -?> \ No newline at end of file += $n) { return trim($out).$end_char; } } } // ------------------------------------------------------------------------ /** * High ASCII to Entities * * Converts High ascii text and MS Word special characters to character entities * * @access public * @param string * @return string */ function ascii_to_entities($str) { $count = 1; $out = ''; $temp = array(); for ($i = 0, $s = strlen($str); $i < $s; $i++) { $ordinal = ord($str[$i]); if ($ordinal < 128) { $out .= $str[$i]; } else { if (count($temp) == 0) { $count = ($ordinal < 224) ? 2 : 3; } $temp[] = $ordinal; if (count($temp) == $count) { $number = ($count == 3) ? (($temp['0'] % 16) * 4096) + (($temp['1'] % 64) * 64) + ($temp['2'] % 64) : (($temp['0'] % 32) * 64) + ($temp['1'] % 64); $out .= '&#'.$number.';'; $count = 1; $temp = array(); } } } return $out; } // ------------------------------------------------------------------------ /** * Entities to ASCII * * Converts character entities back to ASCII * * @access public * @param string * @param bool * @return string */ function entities_to_ascii($str, $all = TRUE) { if (preg_match_all('/\&#(\d+)\;/', $str, $matches)) { for ($i = 0, $s = count($matches['0']); $i < $s; $i++) { $digits = $matches['1'][$i]; $out = ''; if ($digits < 128) { $out .= chr($digits); } elseif ($digits < 2048) { $out .= chr(192 + (($digits - ($digits % 64)) / 64)); $out .= chr(128 + ($digits % 64)); } else { $out .= chr(224 + (($digits - ($digits % 4096)) / 4096)); $out .= chr(128 + ((($digits % 4096) - ($digits % 64)) / 64)); $out .= chr(128 + ($digits % 64)); } $str = str_replace($matches['0'][$i], $out, $str); } } if ($all) { $str = str_replace(array("&", "<", ">", """, "'", "-"), array("&","<",">","\"", "'", "-"), $str); } return $str; } // ------------------------------------------------------------------------ /** * Word Censoring Function * * Supply a string and an array of disallowed words and any * matched words will be converted to #### or to the replacement * word you've submitted. * * @access public * @param string the text string * @param string the array of censoered words * @param string the optional replacement value * @return string */ function word_censor($str, $censored, $replacement = '') { if ( ! is_array($censored)) { return $str; } $str = ' '.$str.' '; foreach ($censored as $badword) { if ($replacement != '') { $str = preg_replace("/\b(".str_replace('\*', '\w*?', preg_quote($badword)).")\b/i", $replacement, $str); } else { $str = preg_replace("/\b(".str_replace('\*', '\w*?', preg_quote($badword)).")\b/ie", "str_repeat('#', strlen('\\1'))", $str); } } return trim($str); } // ------------------------------------------------------------------------ /** * Code Highlighter * * Colorizes code strings * * @access public * @param string the text string * @return string */ function highlight_code($str) { // The highlight string function encodes and highlights // brackets so we need them to start raw $str = str_replace(array('<', '>'), array('<', '>'), $str); // Replace any existing PHP tags to temporary markers so they don't accidentally // break the string out of PHP, and thus, thwart the highlighting. $str = str_replace(array('<?php', '?>', '\\'), array('phptagopen', 'phptagclose', 'backslashtmp'), $str); // The highlight_string function requires that the text be surrounded // by PHP tags. Since we don't know if A) the submitted text has PHP tags, // or B) whether the PHP tags enclose the entire string, we will add our // own PHP tags around the string along with some markers to make replacement easier later $str = ''; // All the magic happens here, baby! $str = highlight_string($str, TRUE); // Prior to PHP 5, the highlight function used icky font tags // so we'll replace them with span tags. if (abs(phpversion()) < 5) { $str = str_replace(array(''), array(''), $str); $str = preg_replace('#color="(.*?)"#', 'style="color: \\1"', $str); } // Remove our artificially added PHP $str = preg_replace("#\.+?//tempstart\
\#is", "\n", $str); $str = preg_replace("#\.+?//tempstart\
#is", "\n", $str); $str = preg_replace("#//tempend.+#is", "\n", $str); // Replace our markers back to PHP tags. $str = str_replace(array('phptagopen', 'phptagclose', 'backslashtmp'), array('<?php', '?>', '\\'), $str); //', $tag_close = '') { if ($str == '') { return ''; } if ($phrase != '') { return preg_replace('/('.preg_quote($phrase).')/i', $tag_open."\\1".$tag_close, $str); } return $str; } // ------------------------------------------------------------------------ /** * Word Wrap * * Wraps text at the specified character. Maintains the integrity of words. * Anything placed between {unwrap}{/unwrap} will not be word wrapped, nor * will URLs. * * @access public * @param string the text string * @param integer the number of characters to wrap at * @return string */ function word_wrap($str, $charlim = '76') { // Se the character limit if ( ! is_numeric($charlim)) $charlim = 76; // Reduce multiple spaces $str = preg_replace("| +|", " ", $str); // Standardize newlines $str = preg_replace("/\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", $str, $matches)) { for ($i = 0; $i < count($matches['0']); $i++) { $unwrap[] = $matches['1'][$i]; $str = str_replace($matches['1'][$i], "{{unwrapped".$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. $str = wordwrap($str, $charlim, "\n", FALSE); // Split the string into individual lines of text and cycle through them $output = ""; foreach (explode("\n", $str) as $line) { // Is the line within the allowed character count? // If so we'll join it to the output and continue if (strlen($line) <= $charlim) { $output .= $line."\n"; continue; } $temp = ''; while((strlen($line)) > $charlim) { // If the over-length word is a URL we won't wrap it if (preg_match("!\[url.+\]|://|wwww.!", $line)) { break; } // Trim the word down $temp .= substr($line, 0, $charlim-1); $line = substr($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; } else { $output .= $line; } $output .= "\n"; } // Put our markers back if (count($unwrap) > 0) { foreach ($unwrap as $key => $val) { $output = str_replace("{{unwrapped".$key."}}", $val, $output); } } // Remove the unwrap tags $output = str_replace(array('{unwrap}', '{/unwrap}'), '', $output); return $output; } ?> \ No newline at end of file -- cgit v1.2.3-24-g4f1b