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include(): Show how to "include a file into a variable",

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and see also the auto_(prepend|append)_file directives.


git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@183691 c90b9560-bf6c-de11-be94-00142212c4b1
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Philip Olson 2005-04-05 22:04:02 +00:00
parent 7daa4b26fe
commit 2a432a960e
1 changed files with 34 additions and 5 deletions
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39
language/control-structures.xml
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@ -1,5 +1,5 @@
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.114 $ -->
<!-- $Revision: 1.115 $ -->
<chapter id="language.control-structures">
<title>Control Structures</title>
@ -1549,11 +1549,40 @@ echo $bar; // prints 1
the included file.
</para>
<simpara>
A few other ways to "include" files into variables are with
<function>fopen</function>, <function>file</function> or by using
<function>include</function> along with
<link linkend="ref.outcontrol">Output Control Functions</link>.
Another way to "include" a PHP file into a variable is to capture the
output by using the <link linkend="ref.outcontrol">Output Control
Functions</link> with <function>include</function>. For example:
</simpara>
<para>
<example>
<title>Using output buffering to include a PHP file into a string</title>
<programlisting role="php">
<![CDATA[
<?php
$string = get_include_contents('somefile.php');
function get_include_contents($filename) {
if (is_file($filename)) {
ob_start();
include $filename;
$contents = ob_get_contents();
ob_end_clean();
return $contents;
}
return false;
}
?>
]]>
</programlisting>
</example>
</para>
<para>
In order to automatically include files within scripts, see also the
<link linkend="ini.auto-prepend-file">auto_prepend_file</link> and
<link linkend="ini.auto-append-file">auto_append_file</link>
configuration options in &php.ini;.
</para>
&note.language-construct;