Sophie: php-manual-en-4.3.0-2mdk noarch

php-manual-en-4.3.0-2mdk.noarch.rpm

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><H1
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>addcslashes</H1
><DIV
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><A
NAME="AEN88999"
></A
><P
>    (PHP 4 )</P
>addcslashes&nbsp;--&nbsp;Quote string with slashes in a C style</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN89002"
></A
><H2
>Description</H2
>string <B
CLASS="methodname"
>addcslashes</B
> ( string str, string charlist)<BR
></BR
><P
>&#13;     Returns a string with backslashes before characters that are
     listed in <TT
CLASS="parameter"
><I
>charlist</I
></TT
> parameter. It escapes
     <TT
CLASS="literal"
>\n</TT
>, <TT
CLASS="literal"
>\r</TT
> etc. in C-like
     style, characters with ASCII code lower than 32 and higher than
     126 are converted to octal representation. 
    </P
><P
>&#13;     Be careful if you choose to escape characters 0, a, b, f, n, r, 
     t and v. They will be converted to \0, \a, \b, \f, \n, \r, \t 
     and \v. 
     In PHP \0 (<TT
CLASS="constant"
><B
>NULL</B
></TT
>), \r (carriage return), \n (newline) and \t (tab) 
     are predefined escape sequences, while in C all of these are 
     predefined escape sequences.
    </P
><P
>&#13;     <TT
CLASS="parameter"
><I
>charlist</I
></TT
> like "\0..\37", which would
     escape all characters with ASCII code between 0 and 31.
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><A
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><P
><B
>Example 1. <B
CLASS="function"
>addcslashes()</B
> example</B
></P
><TABLE
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><PRE
CLASS="php"
>$escaped = addcslashes($not_escaped, "\0..\37!@\177..\377");</PRE
></TD
></TR
></TABLE
></DIV
></TD
></TR
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>
    </P
><P
>&#13;     When you define a sequence of characters in the charlist argument
     make sure that you know what characters come between the
     characters that you set as the start and end of the range.
     <DIV
CLASS="informalexample"
><A
NAME="AEN89026"
></A
><P
></P
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><PRE
CLASS="php"
>echo addcslashes('foo[ ]', 'A..z');
// output:  \f\o\o\[ \]
// All upper and lower-case letters will be escaped
// ... but so will the [\]^_` and any tabs, line
// feeds, carriage returns, etc.</PRE
></TD
></TR
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><P
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></DIV
>
     Also, if the first character in a range has a lower ASCII value
     than the second character in the range, no range will be
     constructed.  Only the start, end and period characters will be
     escaped. Use the <A
HREF="function.ord.html"
><B
CLASS="function"
>ord()</B
></A
> function to find the
     ASCII value for a character.
     <DIV
CLASS="informalexample"
><A
NAME="AEN89029"
></A
><P
></P
><TABLE
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><TD
><PRE
CLASS="php"
>echo addcslashes("zoo['.']", 'z..A');
// output:  \zoo['\.']</PRE
></TD
></TR
></TABLE
><P
></P
></DIV
>
    </P
><P
>&#13;     See also <A
HREF="function.stripcslashes.html"
><B
CLASS="function"
>stripcslashes()</B
></A
>, 
     <A
HREF="function.stripslashes.html"
><B
CLASS="function"
>stripslashes()</B
></A
>, 
     <A
HREF="function.htmlspecialchars.html"
><B
CLASS="function"
>htmlspecialchars()</B
></A
>, and 
     <A
HREF="function.quotemeta.html"
><B
CLASS="function"
>quotemeta()</B
></A
>.
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