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added new arrayFilterRecursive

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This commit is contained in:
Andy Miller
2015-08-03 16:11:02 -06:00
parent 75feea3e75
commit bfc9efea92
1 changed files with 66 additions and 29 deletions
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95
system/src/Grav/Common/Utils.php
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@@ -13,8 +13,9 @@ abstract class Utils
use GravTrait;
/**
* @param string $haystack
* @param string $needle
* @param string $haystack
* @param string $needle
*
* @return bool
*/
public static function startsWith($haystack, $needle)
@@ -27,14 +28,17 @@ abstract class Utils
return $status;
}
}
return $status;
}
return $needle === '' || strpos($haystack, $needle) === 0;
}
/**
* @param string $haystack
* @param string $needle
* @param string $haystack
* @param string $needle
*
* @return bool
*/
public static function endsWith($haystack, $needle)
@@ -47,14 +51,17 @@ abstract class Utils
return $status;
}
}
return $status;
}
return $needle === '' || substr($haystack, -strlen($needle)) === $needle;
}
/**
* @param string $haystack
* @param string $needle
* @param string $haystack
* @param string $needle
*
* @return bool
*/
public static function contains($haystack, $needle)
@@ -67,11 +74,12 @@ abstract class Utils
*
* @param object $obj1
* @param object $obj2
*
* @return object
*/
public static function mergeObjects($obj1, $obj2)
{
return (object) array_merge((array) $obj1, (array) $obj2);
return (object)array_merge((array)$obj1, (array)$obj2);
}
/**
@@ -82,6 +90,7 @@ abstract class Utils
* @param string $ending
* @param bool $exact
* @param bool $considerHtml
*
* @return string
*/
public static function truncateHtml($text, $length = 100, $ending = '...', $exact = false, $considerHtml = true)
@@ -100,34 +109,41 @@ abstract class Utils
// if there is any html-tag in this line, handle it and add it (uncounted) to the output
if (!empty($line_matchings[1])) {
// if it's an "empty element" with or without xhtml-conform closing slash
if (preg_match('/^<(\s*.+?\/\s*|\s*(img|br|input|hr|area|base|basefont|col|frame|isindex|link|meta|param)(\s.+?)?)>$/is', $line_matchings[1])) {
if (preg_match('/^<(\s*.+?\/\s*|\s*(img|br|input|hr|area|base|basefont|col|frame|isindex|link|meta|param)(\s.+?)?)>$/is',
$line_matchings[1])) {
// do nothing
// if tag is a closing tag
} else if (preg_match('/^<\s*\/([^\s]+?)\s*>$/s', $line_matchings[1], $tag_matchings)) {
// delete tag from $open_tags list
$pos = array_search($tag_matchings[1], $open_tags);
if ($pos !== false) {
unset($open_tags[$pos]);
// if tag is a closing tag
} else {
if (preg_match('/^<\s*\/([^\s]+?)\s*>$/s', $line_matchings[1], $tag_matchings)) {
// delete tag from $open_tags list
$pos = array_search($tag_matchings[1], $open_tags);
if ($pos !== false) {
unset($open_tags[$pos]);
}
// if tag is an opening tag
} else {
if (preg_match('/^<\s*([^\s>!]+).*?>$/s', $line_matchings[1], $tag_matchings)) {
// add tag to the beginning of $open_tags list
array_unshift($open_tags, strtolower($tag_matchings[1]));
}
}
// if tag is an opening tag
} else if (preg_match('/^<\s*([^\s>!]+).*?>$/s', $line_matchings[1], $tag_matchings)) {
// add tag to the beginning of $open_tags list
array_unshift($open_tags, strtolower($tag_matchings[1]));
}
// add html-tag to $truncate'd text
$truncate .= $line_matchings[1];
}
// calculate the length of the plain text part of the line; handle entities as one character
$content_length = strlen(preg_replace('/&[0-9a-z]{2,8};|&#[0-9]{1,7};|[0-9a-f]{1,6};/i', ' ', $line_matchings[2]));
if ($total_length+$content_length> $length) {
$content_length = strlen(preg_replace('/&[0-9a-z]{2,8};|&#[0-9]{1,7};|[0-9a-f]{1,6};/i', ' ',
$line_matchings[2]));
if ($total_length + $content_length > $length) {
// the number of characters which are left
$left = $length - $total_length;
$entities_length = 0;
// search for html entities
if (preg_match_all('/&[0-9a-z]{2,8};|&#[0-9]{1,7};|[0-9a-f]{1,6};/i', $line_matchings[2], $entities, PREG_OFFSET_CAPTURE)) {
if (preg_match_all('/&[0-9a-z]{2,8};|&#[0-9]{1,7};|[0-9a-f]{1,6};/i', $line_matchings[2], $entities,
PREG_OFFSET_CAPTURE)) {
// calculate the real length of all entities in the legal range
foreach ($entities[0] as $entity) {
if ($entity[1]+1-$entities_length <= $left) {
if ($entity[1] + 1 - $entities_length <= $left) {
$left--;
$entities_length += strlen($entity[0]);
} else {
@@ -136,7 +152,7 @@ abstract class Utils
}
}
}
$truncate .= substr($line_matchings[2], 0, $left+$entities_length);
$truncate .= substr($line_matchings[2], 0, $left + $entities_length);
// maximum length is reached, so get off the loop
break;
} else {
@@ -172,6 +188,7 @@ abstract class Utils
$truncate .= '</' . $tag . '>';
}
}
return $truncate;
}
@@ -208,7 +225,7 @@ abstract class Utils
if ($force_download) {
header('Content-Description: File Transfer');
header('Content-Type: application/octet-stream');
header('Content-Disposition: attachment; filename='.$file_parts['basename']);
header('Content-Disposition: attachment; filename=' . $file_parts['basename']);
header('Content-Transfer-Encoding: binary');
header('Expires: 0');
header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
@@ -243,14 +260,14 @@ abstract class Utils
* Return the mimetype based on filename
*
* @param $extension Extension of file (eg .txt)
*
* @return string
*/
public static function getMimeType($extension)
{
$extension = strtolower($extension);
switch($extension)
{
switch ($extension) {
case "js":
return "application/x-javascript";
@@ -348,6 +365,7 @@ abstract class Utils
* Normalize path by processing relative `.` and `..` syntax and merging path
*
* @param $path
*
* @return string
*/
public static function normalizePath($path)
@@ -366,6 +384,7 @@ abstract class Utils
array_push($ret, $segment);
}
}
return $root . implode('/', $ret);
}
@@ -383,10 +402,9 @@ abstract class Utils
asort($offsets);
$timezone_list = array();
foreach( $offsets as $timezone => $offset )
{
foreach ($offsets as $timezone => $offset) {
$offset_prefix = $offset < 0 ? '-' : '+';
$offset_formatted = gmdate( 'H:i', abs($offset) );
$offset_formatted = gmdate('H:i', abs($offset));
$pretty_offset = "UTC${offset_prefix}${offset_formatted}";
@@ -396,4 +414,23 @@ abstract class Utils
return $timezone_list;
}
public static function arrayFilterRecursive(Array $source, $fn)
{
$result = array();
foreach ($source as $key => $value)
{
if (is_array($value))
{
$result[$key] = static::arrayFilterRecursive($value, $fn);
continue;
}
if ($fn($key, $value))
{
$result[$key] = $value; // KEEP
continue;
}
}
return $result;
}
}