diff options
Diffstat (limited to 'system/helpers/text_helper.php')
| -rw-r--r-- | system/helpers/text_helper.php | 185 |
1 files changed, 93 insertions, 92 deletions
diff --git a/system/helpers/text_helper.php b/system/helpers/text_helper.php index c1c0eb947..b592f3cc0 100644 --- a/system/helpers/text_helper.php +++ b/system/helpers/text_helper.php @@ -37,21 +37,21 @@ // ------------------------------------------------------------------------ -/** - * Word Limiter - * - * Limits a string to X number of words. - * - * @param string - * @param int - * @param string the end character. Usually an ellipsis - * @return string - */ if ( ! function_exists('word_limiter')) { + /** + * Word Limiter + * + * Limits a string to X number of words. + * + * @param string + * @param int + * @param string the end character. Usually an ellipsis + * @return string + */ function word_limiter($str, $limit = 100, $end_char = '…') { - if (trim($str) == '') + if (trim($str) === '') { return $str; } @@ -69,19 +69,19 @@ if ( ! function_exists('word_limiter')) // ------------------------------------------------------------------------ -/** - * Character Limiter - * - * Limits the string based on the character count. Preserves complete words - * so the character count may not be exactly as specified. - * - * @param string - * @param int - * @param string the end character. Usually an ellipsis - * @return string - */ if ( ! function_exists('character_limiter')) { + /** + * Character Limiter + * + * Limits the string based on the character count. Preserves complete words + * so the character count may not be exactly as specified. + * + * @param string + * @param int + * @param string the end character. Usually an ellipsis + * @return string + */ function character_limiter($str, $n = 500, $end_char = '…') { if (strlen($str) < $n) @@ -89,7 +89,8 @@ if ( ! function_exists('character_limiter')) return $str; } - $str = preg_replace('/\s+/', ' ', str_replace(array("\r\n", "\r", "\n"), ' ', $str)); + // a bit complicated, but faster than preg_replace with \s+ + $str = preg_replace('/ {2,}/', ' ', str_replace(array("\r", "\n", "\t", "\x0B", "\x0C"), ' ', $str)); if (strlen($str) <= $n) { @@ -112,16 +113,16 @@ if ( ! function_exists('character_limiter')) // ------------------------------------------------------------------------ -/** - * High ASCII to Entities - * - * Converts High ascii text and MS Word special characters to character entities - * - * @param string - * @return string - */ if ( ! function_exists('ascii_to_entities')) { + /** + * High ASCII to Entities + * + * Converts High ascii text and MS Word special characters to character entities + * + * @param string + * @return string + */ function ascii_to_entities($str) { $count = 1; @@ -174,17 +175,17 @@ if ( ! function_exists('ascii_to_entities')) // ------------------------------------------------------------------------ -/** - * Entities to ASCII - * - * Converts character entities back to ASCII - * - * @param string - * @param bool - * @return string - */ if ( ! function_exists('entities_to_ascii')) { + /** + * Entities to ASCII + * + * Converts character entities back to ASCII + * + * @param string + * @param bool + * @return string + */ function entities_to_ascii($str, $all = TRUE) { if (preg_match_all('/\&#(\d+)\;/', $str, $matches)) @@ -227,20 +228,20 @@ if ( ! function_exists('entities_to_ascii')) // ------------------------------------------------------------------------ -/** - * Word Censoring Function - * - * Supply a string and an array of disallowed words and any - * matched words will be converted to #### or to the replacement - * word you've submitted. - * - * @param string the text string - * @param string the array of censoered words - * @param string the optional replacement value - * @return string - */ if ( ! function_exists('word_censor')) { + /** + * Word Censoring Function + * + * Supply a string and an array of disallowed words and any + * matched words will be converted to #### or to the replacement + * word you've submitted. + * + * @param string the text string + * @param string the array of censoered words + * @param string the optional replacement value + * @return string + */ function word_censor($str, $censored, $replacement = '') { if ( ! is_array($censored)) @@ -258,7 +259,7 @@ if ( ! function_exists('word_censor')) foreach ($censored as $badword) { - if ($replacement != '') + if ($replacement !== '') { $str = preg_replace("/({$delim})(".str_replace('\*', '\w*?', preg_quote($badword, '/')).")({$delim})/i", "\\1{$replacement}\\3", $str); } @@ -274,16 +275,16 @@ if ( ! function_exists('word_censor')) // ------------------------------------------------------------------------ -/** - * Code Highlighter - * - * Colorizes code strings - * - * @param string the text string - * @return string - */ if ( ! function_exists('highlight_code')) { + /** + * Code Highlighter + * + * Colorizes code strings + * + * @param string the text string + * @return string + */ function highlight_code($str) { /* The highlight string function encodes and highlights @@ -323,27 +324,27 @@ if ( ! function_exists('highlight_code')) // ------------------------------------------------------------------------ -/** - * Phrase Highlighter - * - * Highlights a phrase within a text string - * - * @param string the text string - * @param string the phrase you'd like to highlight - * @param string the openging tag to precede the phrase with - * @param string the closing tag to end the phrase with - * @return string - */ if ( ! function_exists('highlight_phrase')) { + /** + * Phrase Highlighter + * + * Highlights a phrase within a text string + * + * @param string the text string + * @param string the phrase you'd like to highlight + * @param string the openging tag to precede the phrase with + * @param string the closing tag to end the phrase with + * @return string + */ function highlight_phrase($str, $phrase, $tag_open = '<strong>', $tag_close = '</strong>') { - if ($str == '') + if ($str === '') { return ''; } - if ($phrase != '') + if ($phrase !== '') { return preg_replace('/('.preg_quote($phrase, '/').')/i', $tag_open.'\\1'.$tag_close, $str); } @@ -354,14 +355,14 @@ if ( ! function_exists('highlight_phrase')) // ------------------------------------------------------------------------ -/** - * Convert Accented Foreign Characters to ASCII - * - * @param string the text string - * @return string - */ if ( ! function_exists('convert_accented_characters')) { + /** + * Convert Accented Foreign Characters to ASCII + * + * @param string the text string + * @return string + */ function convert_accented_characters($str) { global $foreign_characters; @@ -464,7 +465,7 @@ if ( ! function_exists('word_wrap')) // 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 != '') + if ($temp !== '') { $output .= $temp."\n".$line."\n"; } @@ -490,19 +491,19 @@ if ( ! function_exists('word_wrap')) // ------------------------------------------------------------------------ -/** - * Ellipsize String - * - * This function will strip tags from a string, split it at its max_length and ellipsize - * - * @param string string to ellipsize - * @param int max length of string - * @param mixed int (1|0) or float, .5, .2, etc for position to split - * @param string ellipsis ; Default '...' - * @return string ellipsized string - */ if ( ! function_exists('ellipsize')) { + /** + * Ellipsize String + * + * This function will strip tags from a string, split it at its max_length and ellipsize + * + * @param string string to ellipsize + * @param int max length of string + * @param mixed int (1|0) or float, .5, .2, etc for position to split + * @param string ellipsis ; Default '...' + * @return string ellipsized string + */ function ellipsize($str, $max_length, $position = 1, $ellipsis = '…') { // Strip tags |