php-doc-en/reference/filesystem/functions/is-writable.xml
2003-11-29 16:39:55 +00:00

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<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- splitted from ./en/functions/filesystem.xml, last change in rev 1.2 -->
<refentry id="function.is-writable">
<refnamediv>
<refname>is_writable</refname>
<refpurpose>Tells whether the filename is writable</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<methodsynopsis>
<type>bool</type><methodname>is_writable</methodname>
<methodparam><type>string</type><parameter>filename</parameter></methodparam>
</methodsynopsis>
<para>
Returns &true; if the <parameter>filename</parameter> exists and is
writable. The filename argument may be a directory name allowing you
to check if a directory is writeable.
</para>
<para>
Keep in mind that PHP may be accessing the file as the user id
that the web server runs as (often 'nobody'). Safe mode
limitations are not taken into account.
</para>
&note.clearstatcache;
&tip.fopen-wrapper.stat;
<para>
See also <function>is_readable</function>,
<function>file_exists</function>, and
<function>fwrite</function>.
</para>
</refsect1>
</refentry>
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