Can someone please point me to the php documentation where it explains
$this - >
1. It must be "$this->" and not "$this - >".
2. Documentation can be found here:
http://de.php.net/manual/en/language.oop.php
What is the symbol "- >" and is $this something only used in classes?
Yes. Inside a method you can use "$this" to reference the current object in which the method was called. The "->" operator is not specific to "$this". It is generelly used to call methods or access properties of an object.
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