Sophie: php-manual-ro-0:20051028-1 noarch

php-manual-ro-20051028-1.noarch.rpm

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><H1
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>addslashes</H1
><DIV
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><A
NAME="AEN112642"
></A
><P
>    (PHP 3, PHP 4 , PHP 5)</P
>addslashes&nbsp;--&nbsp;Quote string with slashes</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN112645"
></A
><H2
>Description</H2
>string <B
CLASS="methodname"
>addslashes</B
> ( string str)<BR
></BR
><P
>&#13;     Returns a string with backslashes before characters that need
     to be quoted in database queries etc.  These characters are
     single quote (<VAR
CLASS="literal"
>'</VAR
>), double quote
     (<VAR
CLASS="literal"
>"</VAR
>), backslash (<VAR
CLASS="literal"
>\</VAR
>)
     and NUL (the <TT
CLASS="constant"
><B
>NULL</B
></TT
> byte).
    </P
><P
>&#13;     An example use of <B
CLASS="function"
>addslashes()</B
> is when you're
     entering data into a database.  For example, to insert the name 
     <VAR
CLASS="literal"
>O'reilly</VAR
> into a database, you will need to escape
     it.  Most databases do this with a <VAR
CLASS="literal"
>\</VAR
> which would
     mean <VAR
CLASS="literal"
>O\'reilly</VAR
>.  This would only be to get the data
     into the database, the extra <VAR
CLASS="literal"
>\</VAR
> will not be inserted.
     Having the PHP directive <A
HREF="ref.sybase.html#ini.magic-quotes-sybase"
>&#13;     magic_quotes_sybase</A
> set to <VAR
CLASS="literal"
>on</VAR
> will mean 
     <VAR
CLASS="literal"
>'</VAR
> is instead escaped with another 
     <VAR
CLASS="literal"
>'</VAR
>.
    </P
><P
>&#13;     The PHP directive <A
HREF="ref.info.html#ini.magic-quotes-gpc"
>&#13;     magic_quotes_gpc</A
> is <VAR
CLASS="literal"
>on</VAR
> by default, and it 
     essentially runs <B
CLASS="function"
>addslashes()</B
> on all GET, POST,
     and COOKIE data.  Do not use <B
CLASS="function"
>addslashes()</B
> on
     strings that have already been escaped with 
     <A
HREF="ref.info.html#ini.magic-quotes-gpc"
>magic_quotes_gpc</A
> as you'll
     then do double escaping.  The function
     <A
HREF="function.get-magic-quotes-gpc.html"
><B
CLASS="function"
>get_magic_quotes_gpc()</B
></A
> may come in handy for 
     checking this.
    </P
><P
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><DIV
CLASS="example"
><A
NAME="AEN112676"
></A
><P
><B
>Exemplu 1. An <B
CLASS="function"
>addslashes()</B
> example</B
></P
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><TD
><code><font color="#000000">
<font color="#0000BB">&lt;?php<br />$str </font><font color="#007700">= </font><font color="#DD0000">"Is your name O'reilly?"</font><font color="#007700">;<br /><br /></font><font color="#FF8000">// Outputs: Is your name O\'reilly?<br /></font><font color="#007700">echo </font><font color="#0000BB">addslashes</font><font color="#007700">(</font><font color="#0000BB">$str</font><font color="#007700">);<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
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>
    </P
><P
>&#13;     See also <A
HREF="function.stripslashes.html"
><B
CLASS="function"
>stripslashes()</B
></A
>, 
     <A
HREF="function.htmlspecialchars.html"
><B
CLASS="function"
>htmlspecialchars()</B
></A
>,
     <A
HREF="function.quotemeta.html"
><B
CLASS="function"
>quotemeta()</B
></A
>, and 
     <A
HREF="function.get-magic-quotes-gpc.html"
><B
CLASS="function"
>get_magic_quotes_gpc()</B
></A
>.
    </P
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