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Added note about 5.2.10 '0' padding change, and added a bunch of gotcha-like examples as expressed in several user notes

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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@299436 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Philip Olson 2010-05-18 01:43:37 +00:00
parent 2886be7bf6
commit 08e2e3465c
1 changed files with 134 additions and 1 deletions
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135
reference/array/functions/natsort.xml
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@ -40,11 +40,34 @@
&return.success;
</para>
</refsect1>
<refsect1 role="changelog">
&reftitle.changelog;
<informaltable>
<tgroup cols="2">
<thead>
<row>
<entry>&Version;</entry>
<entry>&Description;</entry>
</row>
</thead>
<tbody>
<row>
<entry>5.2.10</entry>
<entry>
Zero padded numeric strings (e.g., '00005') now essentially ignore the 0 padding.
</entry>
</row>
</tbody>
</tgroup>
</informaltable>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title><function>natsort</function> example</title>
<title><function>natsort</function> examples demonstrating basic usage</title>
<programlisting role="php">
<![CDATA[
<?php
@ -88,6 +111,116 @@ Array
page.
</para>
</example>
<example>
<title><function>natsort</function> examples demonstrating potential gotchas</title>
<programlisting role="php">
<![CDATA[
<?php
echo "Negative numbers\n";
$negative = array('-5','3','-2','0','-1000','9','1');
print_r($negative);
natsort($negative);
print_r($negative);
echo "Zero padding\n";
$zeros = array('09', '8', '10', '009', '011', '0');
print_r($zeros);
natsort($zeros);
print_r($zeros);
echo "Other characters interfering\n";
$images_oops = array('image_1.jpg','image_12.jpg', 'image_21.jpg', 'image_4.jpg');
print_r($images_oops);
natsort($images_oops);
print_r($images_oops);
echo "Sort by keys\n";
$smoothie = array('orange' => 1, 'apple' => 1, 'yogurt' => 4, 'banana' => 4);
print_r($smoothie);
uksort( $smoothie, 'strnatcmp');
print_r($smoothie);
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
Negative numbers
Array
(
[0] => -5
[1] => 3
[2] => -2
[3] => 0
[4] => -1000
[5] => 9
[6] => 1
)
Array
(
[2] => -2
[0] => -5
[4] => -1000
[3] => 0
[6] => 1
[1] => 3
[5] => 9
)
Zero padding
Array
(
[0] => 09
[1] => 8
[2] => 10
[3] => 009
[4] => 011
[5] => 0
)
Array
(
[5] => 0
[1] => 8
[3] => 009
[0] => 09
[2] => 10
[4] => 011
)
Other characters interfering
Array
(
[0] => image_1.jpg
[1] => image_12.jpg
[2] => image_21.jpg
[3] => image_4.jpg
)
Array
(
[0] => image_1.jpg
[3] => image_4.jpg
[1] => image_12.jpg
[2] => image_21.jpg
)
Sort by keys
Array
(
[orange] => 1
[apple] => 1
[yogurt] => 4
[banana] => 4
)
Array
(
[apple] => 1
[banana] => 4
[orange] => 1
[yogurt] => 4
)
]]>
</screen>
</example>
</para>
</refsect1>
<refsect1 role="seealso">