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-rw-r--r--system/helpers/captcha_helper.php3
-rw-r--r--system/helpers/date_helper.php148
-rw-r--r--system/helpers/directory_helper.php2
-rw-r--r--system/helpers/download_helper.php5
-rw-r--r--system/helpers/file_helper.php2
-rw-r--r--system/helpers/html_helper.php30
-rw-r--r--system/helpers/text_helper.php3
-rw-r--r--system/helpers/typography_helper.php4
-rw-r--r--system/helpers/url_helper.php52
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
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-07-01 17:01:11 +0200