From d2df9bc7cc9d4b3e53818470c5d0977c9a36677c Mon Sep 17 00:00:00 2001 From: Derek Allard Date: Sun, 15 Apr 2007 17:41:17 +0000 Subject: update pMachine to EllisLab update copyright year update Code Igniter to CodeIgniter --- system/helpers/text_helper.php | 840 ++++++++++++++++++++--------------------- 1 file changed, 420 insertions(+), 420 deletions(-) (limited to 'system/helpers/text_helper.php') diff --git a/system/helpers/text_helper.php b/system/helpers/text_helper.php index 655d6e531..3c7270b9b 100644 --- a/system/helpers/text_helper.php +++ b/system/helpers/text_helper.php @@ -1,421 +1,421 @@ -= $n) - { - return trim($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; -} - - += $n) + { + return trim($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 -- cgit v1.2.3-24-g4f1b