diff options
Diffstat (limited to 'system/helpers/text_helper.php')
| -rw-r--r-- | system/helpers/text_helper.php | 166 |
1 files changed, 87 insertions, 79 deletions
diff --git a/system/helpers/text_helper.php b/system/helpers/text_helper.php index f53b06b93..e4451ae81 100644 --- a/system/helpers/text_helper.php +++ b/system/helpers/text_helper.php @@ -58,7 +58,7 @@ if ( ! function_exists('word_limiter')) preg_match('/^\s*+(?:\S++\s*+){1,'.(int) $limit.'}/', $str, $matches); - if (strlen($str) == strlen($matches[0])) + if (strlen($str) === strlen($matches[0])) { $end_char = ''; } @@ -89,14 +89,14 @@ if ( ! function_exists('character_limiter')) return $str; } - $str = preg_replace("/\s+/", ' ', str_replace(array("\r\n", "\r", "\n"), ' ', $str)); + $str = preg_replace('/\s+/', ' ', str_replace(array("\r\n", "\r", "\n"), ' ', $str)); if (strlen($str) <= $n) { return $str; } - $out = ""; + $out = ''; foreach (explode(' ', trim($str)) as $val) { $out .= $val.' '; @@ -104,7 +104,7 @@ if ( ! function_exists('character_limiter')) if (strlen($out) >= $n) { $out = trim($out); - return (strlen($out) == strlen($str)) ? $out : $out.$end_char; + return (strlen($out) === strlen($str)) ? $out : $out.$end_char; } } } @@ -138,7 +138,7 @@ if ( ! function_exists('ascii_to_entities')) If the $temp array has a value but we have moved on, then it seems only fair that we output that entity and restart $temp before continuing. -Paul */ - if (count($temp) == 1) + if (count($temp) === 1) { $out .= '&#'.array_shift($temp).';'; $count = 1; @@ -148,16 +148,18 @@ if ( ! function_exists('ascii_to_entities')) } else { - if (count($temp) == 0) + if (count($temp) === 0) { $count = ($ordinal < 224) ? 2 : 3; } $temp[] = $ordinal; - if (count($temp) == $count) + if (count($temp) === $count) { - $number = ($count == 3) ? (($temp['0'] % 16) * 4096) + (($temp['1'] % 64) * 64) + ($temp['2'] % 64) : (($temp['0'] % 32) * 64) + ($temp['1'] % 64); + $number = ($count === 3) + ? (($temp[0] % 16) * 4096) + (($temp[1] % 64) * 64) + ($temp[2] % 64) + : (($temp[0] % 32) * 64) + ($temp[1] % 64); $out .= '&#'.$number.';'; $count = 1; @@ -187,10 +189,9 @@ if ( ! function_exists('entities_to_ascii')) { if (preg_match_all('/\&#(\d+)\;/', $str, $matches)) { - for ($i = 0, $s = count($matches['0']); $i < $s; $i++) + for ($i = 0, $s = count($matches[0]); $i < $s; $i++) { - $digits = $matches['1'][$i]; - + $digits = $matches[1][$i]; $out = ''; if ($digits < 128) @@ -200,25 +201,24 @@ if ( ! function_exists('entities_to_ascii')) } elseif ($digits < 2048) { - $out .= chr(192 + (($digits - ($digits % 64)) / 64)); - $out .= chr(128 + ($digits % 64)); + $out .= chr(192 + (($digits - ($digits % 64)) / 64)).chr(128 + ($digits % 64)); } else { - $out .= chr(224 + (($digits - ($digits % 4096)) / 4096)); - $out .= chr(128 + ((($digits % 4096) - ($digits % 64)) / 64)); - $out .= chr(128 + ($digits % 64)); + $out .= chr(224 + (($digits - ($digits % 4096)) / 4096)) + .chr(128 + ((($digits % 4096) - ($digits % 64)) / 64)) + .chr(128 + ($digits % 64)); } - $str = str_replace($matches['0'][$i], $out, $str); + $str = str_replace($matches[0][$i], $out, $str); } } if ($all) { - $str = str_replace(array("&", "<", ">", """, "'", "-"), - array("&","<",">","\"", "'", "-"), - $str); + return str_replace(array('&', '<', '>', '"', ''', '-'), + array('&', '<', '>', '"', "'", '-'), + $str); } return $str; @@ -286,27 +286,33 @@ if ( ! function_exists('highlight_code')) */ function highlight_code($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('<?', '?>', '<%', '%>', '\\', '</script>'), - array('phptagopen', 'phptagclose', 'asptagopen', 'asptagclose', 'backslashtmp', 'scriptclose'), + /* The highlight string function encodes and highlights + * brackets so we need them to start raw. + * + * Also 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('<', '>', '<?', '?>', '<%', '%>', '\\', '</script>'), + array('<', '>', 'phptagopen', 'phptagclose', 'asptagopen', 'asptagclose', 'backslashtmp', 'scriptclose'), $str); // The highlight_string function requires that the text be surrounded // by PHP tags, which we will remove later - $str = '<?php '.$str.' ?>'; // <? - - // All the magic happens here, baby! - $str = highlight_string($str, TRUE); + $str = highlight_string('<?php '.$str.' ?>', TRUE); // Remove our artificially added PHP, and the syntax highlighting that came with it - $str = preg_replace('/<span style="color: #([A-Z0-9]+)"><\?php( | )/i', '<span style="color: #$1">', $str); - $str = preg_replace('/(<span style="color: #[A-Z0-9]+">.*?)\?><\/span>\n<\/span>\n<\/code>/is', "$1</span>\n</span>\n</code>", $str); - $str = preg_replace('/<span style="color: #[A-Z0-9]+"\><\/span>/i', '', $str); + $str = preg_replace(array( + '/<span style="color: #([A-Z0-9]+)"><\?php( | )/i', + '/(<span style="color: #[A-Z0-9]+">.*?)\?><\/span>\n<\/span>\n<\/code>/is', + '/<span style="color: #[A-Z0-9]+"\><\/span>/i' + ), + array( + '<span style="color: #$1">', + "$1</span>\n</span>\n</code>", + '' + ), + $str); // Replace our markers back to PHP tags. return str_replace(array('phptagopen', 'phptagclose', 'asptagopen', 'asptagclose', 'backslashtmp', 'scriptclose'), @@ -339,7 +345,7 @@ if ( ! function_exists('highlight_phrase')) if ($phrase != '') { - return preg_replace('/('.preg_quote($phrase, '/').')/i', $tag_open."\\1".$tag_close, $str); + return preg_replace('/('.preg_quote($phrase, '/').')/i', $tag_open.'\\1'.$tag_close, $str); } return $str; @@ -358,18 +364,23 @@ if ( ! function_exists('convert_accented_characters')) */ function convert_accented_characters($str) { - if (defined('ENVIRONMENT') && is_file(APPPATH.'config/'.ENVIRONMENT.'/foreign_chars.php')) - { - include(APPPATH.'config/'.ENVIRONMENT.'/foreign_chars.php'); - } - elseif (is_file(APPPATH.'config/foreign_chars.php')) - { - include(APPPATH.'config/foreign_chars.php'); - } + global $foreign_characters; - if ( ! isset($foreign_characters)) + if ( ! isset($foreign_characters) OR ! is_array($foreign_characters)) { - return $str; + if (defined('ENVIRONMENT') && is_file(APPPATH.'config/'.ENVIRONMENT.'/foreign_chars.php')) + { + include(APPPATH.'config/'.ENVIRONMENT.'/foreign_chars.php'); + } + elseif (is_file(APPPATH.'config/foreign_chars.php')) + { + include(APPPATH.'config/foreign_chars.php'); + } + + if ( ! isset($foreign_characters) OR ! is_array($foreign_characters)) + { + return $str; + } } return preg_replace(array_keys($foreign_characters), array_values($foreign_characters), $str); @@ -378,27 +389,29 @@ if ( ! function_exists('convert_accented_characters')) // ------------------------------------------------------------------------ +/** + * Word Wrap + * + * Wraps text at the specified character. Maintains the integrity of words. + * Anything placed between {unwrap}{/unwrap} will not be word wrapped, nor + * will URLs. + * + * @param string the text string + * @param int the number of characters to wrap at + * @return string + */ if ( ! function_exists('word_wrap')) { - /** - * Word Wrap - * - * Wraps text at the specified character. Maintains the integrity of words. - * Anything placed between {unwrap}{/unwrap} will not be word wrapped, nor - * will URLs. - * - * @param string the text string - * @param int the number of characters to wrap at - * @return string - */ - function word_wrap($str, $charlim = '76') + function word_wrap($str, $charlim = 76) { - // Se the character limit + // Set the character limit if ( ! is_numeric($charlim)) + { $charlim = 76; + } // Reduce multiple spaces - $str = preg_replace("| +|", " ", $str); + $str = preg_replace('| +|', ' ', $str); // Standardize newlines if (strpos($str, "\r") !== FALSE) @@ -409,22 +422,22 @@ if ( ! function_exists('word_wrap')) // 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)) + if (preg_match_all('|(\{unwrap\}.+?\{/unwrap\})|s', $str, $matches)) { - for ($i = 0; $i < count($matches['0']); $i++) + for ($i = 0, $c = count($matches[0]); $i < $c; $i++) { - $unwrap[] = $matches['1'][$i]; - $str = str_replace($matches['1'][$i], "{{unwrapped".$i."}}", $str); + $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. + // 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 = ""; + $output = ''; foreach (explode("\n", $str) as $line) { // Is the line within the allowed character count? @@ -439,28 +452,26 @@ if ( ! function_exists('word_wrap')) while ((strlen($line)) > $charlim) { // If the over-length word is a URL we won't wrap it - if (preg_match("!\[url.+\]|://|wwww.!", $line)) + if (preg_match('!\[url.+\]|://|wwww.!', $line)) { break; } // Trim the word down - $temp .= substr($line, 0, $charlim-1); - $line = substr($line, $charlim-1); + $temp .= substr($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; + $output .= $temp."\n".$line."\n"; } else { - $output .= $line; + $output .= $line."\n"; } - - $output .= "\n"; } // Put our markers back @@ -468,14 +479,12 @@ if ( ! function_exists('word_wrap')) { foreach ($unwrap as $key => $val) { - $output = str_replace("{{unwrapped".$key."}}", $val, $output); + $output = str_replace('{{unwrapped'.$key.'}}', $val, $output); } } - // Remove the unwrap tags - $output = str_replace(array('{unwrap}', '{/unwrap}'), '', $output); - - return $output; + // Remove the unwrap tags and return + return str_replace(array('{unwrap}', '{/unwrap}'), '', $output); } } @@ -506,7 +515,6 @@ if ( ! function_exists('ellipsize')) } $beg = substr($str, 0, floor($max_length * $position)); - $position = ($position > 1) ? 1 : $position; if ($position === 1) |