diff options
Diffstat (limited to 'system/helpers')
-rw-r--r-- | system/helpers/captcha_helper.php | 3 | ||||
-rw-r--r-- | system/helpers/date_helper.php | 148 | ||||
-rw-r--r-- | system/helpers/directory_helper.php | 2 | ||||
-rw-r--r-- | system/helpers/download_helper.php | 5 | ||||
-rw-r--r-- | system/helpers/file_helper.php | 2 | ||||
-rw-r--r-- | system/helpers/html_helper.php | 30 | ||||
-rw-r--r-- | system/helpers/text_helper.php | 3 | ||||
-rw-r--r-- | system/helpers/typography_helper.php | 4 | ||||
-rw-r--r-- | system/helpers/url_helper.php | 52 |
9 files changed, 156 insertions, 93 deletions
diff --git a/system/helpers/captcha_helper.php b/system/helpers/captcha_helper.php index a4383c9d3..3aac14db8 100644 --- a/system/helpers/captcha_helper.php +++ b/system/helpers/captcha_helper.php @@ -80,8 +80,7 @@ if ( ! function_exists('create_captcha')) $current_dir = @opendir($img_path); while ($filename = @readdir($current_dir)) { - if ($filename !== '.' && $filename !== '..' && $filename !== 'index.html' - && (str_replace('.jpg', '', $filename) + $expiration) < $now) + if (substr($filename, -4) === '.jpg' && (str_replace('.jpg', '', $filename) + $expiration) < $now) { @unlink($img_path.$filename); } diff --git a/system/helpers/date_helper.php b/system/helpers/date_helper.php index a45b3d7ac..955d74542 100644 --- a/system/helpers/date_helper.php +++ b/system/helpers/date_helper.php @@ -575,22 +575,7 @@ if ( ! function_exists('timezone_menu')) $menu .= ' class="'.$class.'"'; } - // Generate a string from the attributes submitted, if any - if (is_array($attributes)) - { - $atts = ''; - foreach ($attributes as $key => $val) - { - $atts .= ' '.$key.'="'.$val.'"'; - } - $attributes = $atts; - } - elseif (is_string($attributes) && strlen($attributes) > 0) - { - $attributes = ' '.$attributes; - } - - $menu .= $attributes.">\n"; + $menu .= _stringify_attributes($attributes).">\n"; foreach (timezones() as $key => $val) { @@ -672,5 +657,136 @@ if ( ! function_exists('timezones')) } } +// ------------------------------------------------------------------------ + +if ( ! function_exists('date_range')) +{ + /** + * Date range + * + * Returns a list of dates within a specified period. + * + * @param int unix_start UNIX timestamp of period start date + * @param int unix_end|days UNIX timestamp of period end date + * or interval in days. + * @param mixed is_unix Specifies wether the second parameter + * is a UNIX timestamp or a day interval + * - TRUE or 'unix' for a timestamp + * - FALSE or 'days' for an interval + * @param string date_format Output date format, same as in date() + * @return array + */ + function date_range($unix_start = '', $mixed = '', $is_unix = TRUE, $format = 'Y-m-d') + { + if ($unix_start == '' OR $mixed == '' OR $format == '') + { + return FALSE; + } + + $is_unix = ! ( ! $is_unix OR $is_unix === 'days'); + + // Validate input and try strtotime() on invalid timestamps/intervals, just in case + if ( ( ! preg_match('/^[0-9]+$/', $unix_start) && ($unix_start = @strtotime($unix_time)) === FALSE) + OR ( ! preg_match('/^[0-9]+$/', $mixed) && ($is_unix === FALSE OR ($mixed = @strtotime($mixed)) === FALSE)) + OR ($is_unix === TRUE && $mixed < $unix_start)) + { + return FALSE; + } + + if ($is_unix && ($unix_start == $mixed OR date($format, $unix_start) === date($format, $mixed))) + { + return array($start_date); + } + + $range = array(); + + /* NOTE: Even though the DateTime object has many useful features, it appears that + * it doesn't always handle properly timezones, when timestamps are passed + * directly to its constructor. Neither of the following gave proper results: + * + * new DateTime('<timestamp>') + * new DateTime('<timestamp>', '<timezone>') + * + * --- available in PHP 5.3: + * + * DateTime::createFromFormat('<format>', '<timestamp>') + * DateTime::createFromFormat('<format>', '<timestamp>', '<timezone') + * + * ... so we'll have to set the timestamp after the object is instantiated. + * Furthermore, in PHP 5.3 we can use DateTime::setTimestamp() to do that and + * given that we have UNIX timestamps - we should use it. + */ + $from = new DateTime(); + + if (is_php('5.3')) + { + $from->setTimestamp($unix_start); + if ($is_unix) + { + $arg = new DateTime(); + $arg->setTimestamp($mixed); + } + else + { + $arg = (int) $mixed; + } + + $period = new DatePeriod($from, new DateInterval('P1D'), $arg); + foreach ($period as $date) + { + $range[] = $date->format($format); + } + + /* If a period end date was passed to the DatePeriod constructor, it might not + * be in our results. Not sure if this is a bug or it's just possible because + * the end date might actually be less than 24 hours away from the previously + * generated DateTime object, but either way - we have to append it manually. + */ + if ( ! is_int($arg) && $range[count($range) - 1] !== $arg->format($format)) + { + $range[] = $arg->format($format); + } + + return $range; + } + + $from->setDate(date('Y', $unix_start), date('n', $unix_start), date('j', $unix_start)); + $from->setTime(date('G', $unix_start), date('i', $unix_start), date('s', $unix_start)); + if ($is_unix) + { + $arg = new DateTime(); + $arg->setDate(date('Y', $mixed), date('n', $mixed), date('j', $mixed)); + $arg->setTime(date('G', $mixed), date('i', $mixed), date('s', $mixed)); + } + else + { + $arg = (int) $mixed; + } + $range[] = $from->format($format); + + if (is_int($arg)) // Day intervals + { + do + { + $from->modify('+1 day'); + $range[] = $from->format($format); + } + while (--$arg > 0); + } + else // end date UNIX timestamp + { + for ($from->modify('+1 day'), $end_check = $arg->format('Ymd'); $from->format('Ymd') < $end_check; $from->modify('+1 day')) + { + $range[] = $from->format($format); + } + + // Our loop only appended dates prior to our end date + $range[] = $arg->format($format); + } + + return $range; + } +} + /* End of file date_helper.php */ /* Location: ./system/helpers/date_helper.php */
\ No newline at end of file diff --git a/system/helpers/directory_helper.php b/system/helpers/directory_helper.php index e7d3b5e8a..7d6b6770e 100644 --- a/system/helpers/directory_helper.php +++ b/system/helpers/directory_helper.php @@ -62,7 +62,7 @@ if ( ! function_exists('directory_map')) while (FALSE !== ($file = readdir($fp))) { // Remove '.', '..', and hidden files [optional] - if ( ! trim($file, '.') OR ($hidden === FALSE && $file[0] === '.')) + if ($file === '.' OR $file === '..' OR ($hidden === FALSE && $file[0] === '.')) { continue; } diff --git a/system/helpers/download_helper.php b/system/helpers/download_helper.php index 09c4de578..0232adfe4 100644 --- a/system/helpers/download_helper.php +++ b/system/helpers/download_helper.php @@ -95,7 +95,10 @@ if ( ! function_exists('force_download')) } // Clean output buffer - ob_clean(); + if (ob_get_level() !== 0) + { + ob_clean(); + } // Generate the server headers header('Content-Type: '.$mime); diff --git a/system/helpers/file_helper.php b/system/helpers/file_helper.php index 3834d4895..e68bb7f7a 100644 --- a/system/helpers/file_helper.php +++ b/system/helpers/file_helper.php @@ -124,7 +124,7 @@ if ( ! function_exists('delete_files')) { delete_files($path.DIRECTORY_SEPARATOR.$filename, $del_dir, $level + 1, $htdocs); } - elseif ($htdocs === TRUE && ! preg_match('/^(\.htaccess|index\.(html|htm|php)|web\.config)$/i', $filename)) + elseif ($htdocs !== TRUE OR ! preg_match('/^(\.htaccess|index\.(html|htm|php)|web\.config)$/i', $filename)) { @unlink($path.DIRECTORY_SEPARATOR.$filename); } diff --git a/system/helpers/html_helper.php b/system/helpers/html_helper.php index 68ce70248..2372e8174 100644 --- a/system/helpers/html_helper.php +++ b/system/helpers/html_helper.php @@ -51,7 +51,7 @@ if ( ! function_exists('heading')) */ function heading($data = '', $h = '1', $attributes = '') { - return '<h'.$h.($attributes !== '' ? ' ' : '').$attributes.'>'.$data.'</h'.$h.'>'; + return '<h'.$h._stringify_attributes($attributes).'>'.$data.'</h'.$h.'>'; } } @@ -119,23 +119,8 @@ if ( ! function_exists('_list')) // Set the indentation based on the depth $out = str_repeat(' ', $depth); - // Were any attributes submitted? If so generate a string - if (is_array($attributes)) - { - $atts = ''; - foreach ($attributes as $key => $val) - { - $atts .= ' '.$key.'="'.$val.'"'; - } - $attributes = $atts; - } - elseif (is_string($attributes) && strlen($attributes) > 0) - { - $attributes = ' '.$attributes; - } - // Write the opening list tag - $out .= '<'.$type.$attributes.">\n"; + $out .= '<'.$type._stringify_attributes($attributes).">\n"; // Cycle through the list elements. If an array is // encountered we will recursively call _list() @@ -191,9 +176,10 @@ if ( ! function_exists('img')) * * @param mixed * @param bool + * @param mixed * @return string */ - function img($src = '', $index_page = FALSE) + function img($src = '', $index_page = FALSE, $attributes = '') { if ( ! is_array($src) ) { @@ -229,7 +215,7 @@ if ( ! function_exists('img')) } } - return $img.'/>'; + return $img._stringify_attributes($attributes).' />'; } } @@ -242,9 +228,9 @@ if ( ! function_exists('doctype')) * * Generates a page document type declaration * - * Valid options are xhtml-11, xhtml-strict, xhtml-trans, xhtml-frame, - * html4-strict, html4-trans, and html4-frame. Values are saved in the - * doctypes config file. + * Examples of valid options: html5, xhtml-11, xhtml-strict, xhtml-trans, + * xhtml-frame, html4-strict, html4-trans, and html4-frame. + * All values are saved in the doctypes config file. * * @param string type The doctype to be generated * @return string diff --git a/system/helpers/text_helper.php b/system/helpers/text_helper.php index 8a1f01b51..b592f3cc0 100644 --- a/system/helpers/text_helper.php +++ b/system/helpers/text_helper.php @@ -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) <= $n) { diff --git a/system/helpers/typography_helper.php b/system/helpers/typography_helper.php index af9d16a89..9dbba0679 100644 --- a/system/helpers/typography_helper.php +++ b/system/helpers/typography_helper.php @@ -65,11 +65,11 @@ if ( ! function_exists('auto_typography')) * @param bool whether to reduce multiple instances of double newlines to two * @return string */ - function auto_typography($str, $strip_js_event_handlers = TRUE, $reduce_linebreaks = FALSE) + function auto_typography($str, $reduce_linebreaks = FALSE) { $CI =& get_instance(); $CI->load->library('typography'); - return $CI->typography->auto_typography($str, $strip_js_event_handlers, $reduce_linebreaks); + return $CI->typography->auto_typography($str, $reduce_linebreaks); } } diff --git a/system/helpers/url_helper.php b/system/helpers/url_helper.php index 39e6343a6..b1f5eccf1 100644 --- a/system/helpers/url_helper.php +++ b/system/helpers/url_helper.php @@ -165,7 +165,7 @@ if ( ! function_exists('anchor')) if ($attributes !== '') { - $attributes = _parse_attributes($attributes); + $attributes = _stringify_attributes($attributes); } return '<a href="'.$site_url.'"'.$attributes.'>'.$title.'</a>'; @@ -221,10 +221,10 @@ if ( ! function_exists('anchor_popup')) unset($attributes[$key]); } - $attributes = empty($attributes) ? '' : _parse_attributes($attributes); + $attributes = _stringify_attributes($attributes); return '<a href="'.$site_url - .'" onclick="window.open(\''.$site_url."', '".$window_name."', '"._parse_attributes($atts, TRUE)."'); return false;\"" + .'" onclick="window.open(\''.$site_url."', '".$window_name."', '"._stringify_attributes($atts, TRUE)."'); return false;\"" .$attributes.'>'.$title.'</a>'; } } @@ -250,7 +250,7 @@ if ( ! function_exists('mailto')) $title = $email; } - return '<a href="mailto:'.$email.'"'._parse_attributes($attributes).'>'.$title.'</a>'; + return '<a href="mailto:'.$email.'"'._stringify_attributes($attributes).'>'.$title.'</a>'; } } @@ -534,7 +534,7 @@ if ( ! function_exists('redirect')) } // IIS environment likely? Use 'refresh' for better compatibility - if (DIRECTORY_SEPARATOR !== '/' && $method === 'auto') + if ($method === 'auto' && isset($_SERVER['SERVER_SOFTWARE']) && strpos($_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS') !== FALSE) { $method = 'refresh'; } @@ -560,47 +560,5 @@ if ( ! function_exists('redirect')) } } -// ------------------------------------------------------------------------ - -if ( ! function_exists('_parse_attributes')) -{ - /** - * Parse out the attributes - * - * Some of the functions use this - * - * @param array - * @param bool - * @return string - */ - function _parse_attributes($attributes, $javascript = FALSE) - { - if (is_string($attributes)) - { - return ($attributes !== '') ? ' '.$attributes : ''; - } - - $att = ''; - foreach ($attributes as $key => $val) - { - if ($javascript === TRUE) - { - $att .= $key.'='.$val.','; - } - else - { - $att .= ' '.$key.'="'.$val.'"'; - } - } - - if ($javascript === TRUE && $att !== '') - { - return substr($att, 0, -1); - } - - return $att; - } -} - /* End of file url_helper.php */ /* Location: ./system/helpers/url_helper.php */
\ No newline at end of file |