StringParser_BBCode class documentation
Author: Christian Seiler

# `StringParser_BBCode` class documentation

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## 10. Miscellaneous

### 10.1 Frequently asked questions

How can I get the class to be case insensitive?

  The global flag `caseSensitive` dictates the behaviour of the whole class. If you set it to `false` the case will be ignored for all codes:

  `$bbcode->setGlobalCaseSensitive (false);`

  If you just want to make a single code case insensitive, you can set the code flag `'case_sensitive'` to `false`. Example for the code `[b]`:

  `$bbcode->setCodeFlag ('b', 'case_sensitive', false);`

In a callback function, how can I determine if an element is direct descendant of the root element?

  The best possibility is to use this condition:

  `if ($node_object->_parent->type() == STRINGPARSER_NODE_ROOT) {
  // direkt descendant of the root element
  } else {
  // indirekt descendant of the root element
  }`

What meaning does the `_id` attribute of a node have?
  The attribute is only used to check if a node is identical with another node. Every node object posesses the function`equals`. `$node1->equals ($node2);` is `true` only if both nodes are identical. In no case you may draw any other conclusions from this attribute, especially does the root element not always have the `_id` `0`.

### 10.1 Useful internals

In this chapter useful things about internals of the class are to be documented. At the moment it is still a very large construction site.

One can cause the class to not reconvert the tree structure but instead return a reference to the root element. To achieve this set the `_noOutput` variable of the class:

`$bbcode->_noOutput = true;`

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