What does <<< mean?

Me again,

I puchased PHP Blible 2nd Edition on Page 195 it makes reference to the following code:

$Page_str = <<< EOPAGE

some code/html

EOPAGE

The book does not make any explenation of what the <<< EOPAGE mean. What can I do with this tag?

Were can I get more info?

Thanks

Rafael
rcleonAsked:
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buflexxCommented:
rcleon,
your question is an example how to define variables in PHP using Heredoc notation..
click here

 http://www.php.net/manual/en/language.types.string.php#language.types.string.syntax.heredoc

 to get more info about heredoc understanding and syntax in php manual

// buflexx
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