<HTML ><HEAD ><TITLE >is_dir</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.44"><LINK REL="HOME" TITLE="PHP Manual" HREF="manual.html"><LINK REL="UP" TITLE="Filesystem functions" HREF="ref.filesystem.html"><LINK REL="PREVIOUS" TITLE="set_file_buffer" HREF="function.set-file-buffer.html"><LINK REL="NEXT" TITLE="is_executable" HREF="function.is-executable.html"></HEAD ><BODY BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >PHP Manual</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.set-file-buffer.html" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.is-executable.html" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.is-dir" >is_dir</A ></H1 ><DIV CLASS="refnamediv" ><A NAME="AEN9012" ></A >is_dir -- Tells whether the filename is a directory</DIV ><DIV CLASS="refsect1" ><A NAME="AEN9015" ></A ><H2 >Description</H2 ><DIV CLASS="funcsynopsis" ><P ></P ><CODE CLASS="FUNCDEF" >bool is_dir</CODE >(string filename);<P ></P ></DIV ><P > Returns true if the filename exists and is a directory. </P ><P > The results of this function are cached. See <A HREF="function.clearstatcache.html" ><B CLASS="function" >clearstatcache()</B ></A > for more details. </P ><P > See also <A HREF="function.is-file.html" ><B CLASS="function" >is_file()</B ></A > and <A HREF="function.is-link.html" ><B CLASS="function" >is_link()</B ></A >. </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="function.set-file-buffer.html" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="manual.html" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.is-executable.html" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >set_file_buffer</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.filesystem.html" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >is_executable</TD ></TR ></TABLE ></DIV ></BODY ></HTML >