php-doc-en/reference/spl/arrayobject/asort.xml
2021-10-08 15:29:02 +01:00

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XML

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="arrayobject.asort" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>ArrayObject::asort</refname>
<refpurpose>Sort the entries by value</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<modifier>public</modifier> <type>bool</type><methodname>ArrayObject::asort</methodname>
<methodparam choice="opt"><type>int</type><parameter>flags</parameter><initializer><constant>SORT_REGULAR</constant></initializer></methodparam>
</methodsynopsis>
<para>
Sorts the entries in ascending order,
such that its keys maintain their correlation with the values they
are associated with.
</para>
<para>
This is used mainly when sorting associative arrays where the actual
element order is significant.
</para>
&note.sort-unstable;
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<variablelist>
&sort.flags.parameter;
</variablelist>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
&return.true.always;
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title><function>ArrayObject::asort</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
$fruits = array("d" => "lemon", "a" => "orange", "b" => "banana", "c" => "apple");
$fruitArrayObject = new ArrayObject($fruits);
$fruitArrayObject->asort();
foreach ($fruitArrayObject as $key => $val) {
echo "$key = $val\n";
}
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
c = apple
b = banana
d = lemon
a = orange
]]>
</screen>
<para>
The fruits have been sorted in alphabetical order, and the key
associated with each entry has been maintained.
</para>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><methodname>ArrayObject::ksort</methodname></member>
<member><methodname>ArrayObject::natsort</methodname></member>
<member><methodname>ArrayObject::natcasesort</methodname></member>
<member><methodname>ArrayObject::uasort</methodname></member>
<member><methodname>ArrayObject::uksort</methodname></member>
<member><function>asort</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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