<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >mcrypt_module_self_test</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REL="HOME" TITLE="Manual do PHP" HREF="index.html"><LINK REL="UP" TITLE="Mcrypt Encryption Functions" HREF="ref.mcrypt.html"><LINK REL="PREVIOUS" TITLE="mcrypt_module_open" HREF="function.mcrypt-module-open.html"><LINK REL="NEXT" TITLE="mcrypt_ofb" HREF="function.mcrypt-ofb.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=UTF-8"></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" >Manual do PHP</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.mcrypt-module-open.html" ACCESSKEY="P" >Anterior</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.mcrypt-ofb.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.mcrypt-module-self-test" ></A >mcrypt_module_self_test</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN112358" ></A ><P > (PHP 4 >= 4.0.2, PHP 5)</P >mcrypt_module_self_test -- This function runs a self test on the specified module</DIV ><DIV CLASS="refsect1" ><A NAME="AEN112361" ></A ><H2 >Description</H2 >bool <B CLASS="methodname" >mcrypt_module_self_test</B > ( string algorithm [, string lib_dir] )<BR ></BR ><P > This function runs the self test on the algorithm specified. The optional <CODE CLASS="parameter" >lib_dir</CODE > parameter can contain the location of where the algorithm module is on the system. </P ><P > The function returns <TT CLASS="constant" ><B >TRUE</B ></TT > if the self test succeeds, or <TT CLASS="constant" ><B >FALSE</B ></TT > when if fails. </P ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN112378" ></A ><P ><B >Exemplo 1. <B CLASS="function" >mcrypt_module_self_test()</B > example</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br />var_dump</font><font color="#007700">(</font><font color="#0000BB">mcrypt_module_self_test</font><font color="#007700">(</font><font color="#0000BB">MCRYPT_RIJNDAEL_128</font><font color="#007700">)) . </font><font color="#DD0000">"\n"</font><font color="#007700">;<br /></font><font color="#0000BB">var_dump</font><font color="#007700">(</font><font color="#0000BB">mcrypt_module_self_test</font><font color="#007700">(</font><font color="#0000BB">MCRYPT_BOGUS_CYPHER</font><font color="#007700">));<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ><P >O exemplo acima irá imprimir:</P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><PRE CLASS="screen" >bool(true) bool(false)</PRE ></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </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-module-open.html" ACCESSKEY="P" >Anterior</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Principal</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.mcrypt-ofb.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >mcrypt_module_open</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.mcrypt.html" ACCESSKEY="U" >Acima</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >mcrypt_ofb</TD ></TR ></TABLE ></DIV ></BODY ></HTML >