<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >escapeshellarg</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="Programas, Funções de Execução" HREF="ref.exec.html"><LINK REL="PREVIOUS" TITLE="Programas, Funções de Execução" HREF="ref.exec.html"><LINK REL="NEXT" TITLE="escapeshellcmd" HREF="function.escapeshellcmd.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="ref.exec.html" ACCESSKEY="P" >Anterior</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.escapeshellcmd.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.escapeshellarg" ></A >escapeshellarg</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN184476" ></A ><P > (PHP 4 >= 4.0.3, PHP 5)</P >escapeshellarg -- Escapa uma string para usar como um argumento shell</DIV ><DIV CLASS="refsect1" ><A NAME="AEN184479" ></A ><H2 >Descrição</H2 >string <B CLASS="methodname" >escapeshellarg</B > ( string arg )<BR ></BR ><P > <B CLASS="function" >escapeshellarg()</B > adiciona aspas simples em torno de uma string e escapa qualquer as aspas simples existentes permitindo a você passar uma string diretamente para uma função shell e tendo ela tradata como um argumento seguro. Esta função deve ser usado para escapar argumentos para funções shell vindos de dados de usuários. As funções shell incluem <A HREF="function.exec.html" ><B CLASS="function" >exec()</B ></A >, <A HREF="function.system.html" ><B CLASS="function" >system()</B ></A > e <A HREF="language.operators.execution.html" >backtick operator</A >. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN184492" ></A ><H2 >Parâmetros</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" >arg</CODE ></DT ><DD ><P > O argumento que será escapado. </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN184501" ></A ><H2 >Valores de retornado</H2 ><P > A string escapada. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN184504" ></A ><H2 >Exemplos</H2 ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN184507" ></A ><P ><B >Exemplo 1. Exemplo <B CLASS="function" >escapeshellarg()</B ></B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br />system</font><font color="#007700">(</font><font color="#DD0000">'ls '</font><font color="#007700">.</font><font color="#0000BB">escapeshellarg</font><font color="#007700">(</font><font color="#0000BB">$dir</font><font color="#007700">));<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN184511" ></A ><H2 >Veja também</H2 ><P > <P ></P ><TABLE BORDER="0" ><TBODY ><TR ><TD ><A HREF="function.escapeshellcmd.html" ><B CLASS="function" >escapeshellcmd()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.exec.html" ><B CLASS="function" >exec()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.popen.html" ><B CLASS="function" >popen()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.system.html" ><B CLASS="function" >system()</B ></A ></TD ></TR ><TR ><TD ><A HREF="language.operators.execution.html" >backtick operator</A ></TD ></TR ></TBODY ></TABLE ><P ></P > </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="ref.exec.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.escapeshellcmd.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Programas, Funções de Execução</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.exec.html" ACCESSKEY="U" >Acima</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >escapeshellcmd</TD ></TR ></TABLE ></DIV ></BODY ></HTML >