php-doc-en/reference/pht/queue/pop.xml
2018-02-24 11:12:03 +00:00

83 lines
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XML

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="pht-queue.pop" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>pht\Queue::pop</refname>
<refpurpose>Pops a value off of the front of a queue</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<modifier>public</modifier> <type>mixed</type><methodname>pht\Queue::pop</methodname>
<void />
</methodsynopsis>
<para>
This method will remove a value from the front of the queue (in constant
time). Attempting to pop a value from an empty queue will result in an
<classname>Error</classname> exception.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
&no.function.parameters;
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
The value removed from the queue.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>Popping a value from a queue</title>
<programlisting role="php">
<![CDATA[
<?php
use pht\Queue;
$queue = new Queue();
$queue->push(1);
var_dump($queue->pop());
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
int(1)
]]>
</screen>
</example>
</para>
</refsect1>
</refentry>
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