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Fix/improve wording

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To detect whether the array pointer points beyond the end,
we have to check whether key() returns NULL (not the opposite).
We also reword to match reset() (r343965).

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@344002 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Christoph Michael Becker 2018-01-28 12:31:16 +00:00
parent eccca2de38
commit 8b3858be3e
2 changed files with 3 additions and 4 deletions
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3
reference/array/functions/next.xml
View file

@ -76,8 +76,7 @@ $mode = end($transport); // $mode = 'plane';
</simpara>
<simpara>
To still use <function>next</function> and properly check if the end of the array
has been reached, the <function>key</function> of the <function>next</function>
element should be checked to be strictly different from &null;.
has been reached, verify that the <function>key</function> is &null;.
</simpara>
</note>
</refsect1>

4
reference/array/functions/prev.xml
View file

@ -69,8 +69,8 @@ $mode = end($transport); // $mode = 'plane';
<simpara>
The beginning of an array is indistinguishable from a
<type>boolean</type> &false; element. To make the distinction, check that
the <function>key</function> of the <function>prev</function> element is
strictly different from <type>null</type>.
the <function>key</function> of the <function>prev</function> element is not
&null;.
</simpara>
</note>
</refsect1>