<HTML ><HEAD ><TITLE >mcrypt_enc_self_test</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK REL="HOME" TITLE="PHP Manual" HREF="index.html"><LINK REL="UP" TITLE="Mcrypt Encryption Functions" HREF="ref.mcrypt.html"><LINK REL="PREVIOUS" TITLE="mcrypt_enc_is_block_mode" HREF="function.mcrypt-enc-is-block-mode.html"><LINK REL="NEXT" TITLE="mcrypt_encrypt" HREF="function.mcrypt-encrypt.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=ISO-8859-1"></HEAD ><BODY CLASS="refentry" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation 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.mcrypt-enc-is-block-mode.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.mcrypt-encrypt.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.mcrypt-enc-self-test" ></A >mcrypt_enc_self_test</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN49070" ></A ><P > (PHP 4 >= 4.0.2)</P >mcrypt_enc_self_test -- This function runs a self test on the opened module</DIV ><DIV CLASS="refsect1" ><A NAME="AEN49073" ></A ><H2 >Description</H2 >bool <B CLASS="methodname" >mcrypt_enc_self_test</B > ( resource td)<BR ></BR ><P > This function runs the self test on the algorithm specified by the descriptor <TT CLASS="parameter" ><I >td</I ></TT >. If the self test succeeds it returns <TT CLASS="constant" ><B >FALSE</B ></TT >. In case of an error, it returns <TT CLASS="constant" ><B >TRUE</B ></TT >. </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="function.mcrypt-enc-is-block-mode.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.mcrypt-encrypt.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >mcrypt_enc_is_block_mode</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.mcrypt.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >mcrypt_encrypt</TD ></TR ></TABLE ></DIV ></BODY ></HTML >