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Make note of how to properly implement a Traversable interface.

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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@327726 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Karoly Negyesi 2012-09-21 08:14:03 +00:00
parent 966013e33d
commit 5180de5d11
1 changed files with 4 additions and 0 deletions
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4
language/predefined/traversable.xml
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@ -32,6 +32,10 @@
This is an internal engine interface which cannot be implemented in PHP
scripts. Either <classname>IteratorAggregate</classname> or
<classname>Iterator</classname> must be used instead.
When implementing an interface which extends Traversable, make sure to
list <classname>IteratorAggregate</classname> or
<className>Iterator</className> before its name in the implements
clause.
</para>
</note>
</section>