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<!-- $Revision$ -->
<chapter xml:id="language.control-structures" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<title>Control Structures</title>
<sect1 xml:id="control-structures.intro">
<title>Introduction</title>
<simpara>
Any PHP script is built out of a series of statements. A statement
can be an assignment, a function call, a loop, a conditional
statement or even a statement that does nothing (an empty
statement). Statements usually end with a semicolon. In addition,
statements can be grouped into a statement-group by encapsulating a
group of statements with curly braces. A statement-group is a
statement by itself as well. The various statement types are
described in this chapter.
</simpara>
<sect2 role="seealso">
&reftitle.seealso;
<para>
The following are also considered language constructs even though they are
referenced under functions in the manual.
</para>
<para>
<simplelist>
<member><function>list</function></member>
<member><function>array</function></member>
<member><function>echo</function></member>
<member><function>eval</function></member>
<member><function>print</function></member>
</simplelist>
</para>
</sect2>
</sect1>
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&language.control-structures.elseif;
&language.control-structures.alternative-syntax;
&language.control-structures.while;
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&language.control-structures.for;
&language.control-structures.foreach;
&language.control-structures.break;
&language.control-structures.continue;
&language.control-structures.switch;
&language.control-structures.match;
&language.control-structures.declare;
&language.control-structures.return;
&language.control-structures.require;
&language.control-structures.include;
&language.control-structures.require-once;
&language.control-structures.include-once;
&language.control-structures.goto;
</chapter>
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