<HTML ><HEAD ><TITLE >base64_encode</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="URL Functions" HREF="ref.url.html"><LINK REL="PREVIOUS" TITLE="base64_decode" HREF="function.base64-decode.html"><LINK REL="NEXT" TITLE="parse_url" HREF="function.parse-url.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.base64-decode.html" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.parse-url.html" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.base64-encode" >base64_encode</A ></H1 ><DIV CLASS="refnamediv" ><A NAME="AEN27252" ></A >base64_encode -- Encodes data with MIME base64</DIV ><DIV CLASS="refsect1" ><A NAME="AEN27255" ></A ><H2 >Description</H2 ><DIV CLASS="funcsynopsis" ><P ></P ><CODE CLASS="FUNCDEF" >string base64_encode</CODE >(string data);<P ></P ></DIV ><P > <B CLASS="function" >Base64_encode()</B > returns <TT CLASS="parameter" ><I >data</I ></TT > encoded with base64. This encoding is designed to make binary data survive transport through transport layers that are not 8-bit clean, such as mail bodies. </P ><P > Base64-encoded data takes about 33% more space than the original data.</P ><P > See also: <A HREF="function.base64-decode.html" ><B CLASS="function" >base64_decode()</B ></A >, <A HREF="function.chunk-split.html" ><B CLASS="function" >chunk_split()</B ></A >, RFC-2045 section 6.8. </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.base64-decode.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.parse-url.html" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >base64_decode</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.url.html" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >parse_url</TD ></TR ></TABLE ></DIV ></BODY ></HTML >