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>dio_open</H1
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><P
> (PHP 4 >= 4.2.0)</P
>dio_open --
Opens a new filename with specified permissions of flags and
creation permissions of mode
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><H2
>Description</H2
>resource <B
CLASS="methodname"
>dio_open</B
> ( string filename, int flags [, int mode])<BR
></BR
><P
> <B
CLASS="function"
>dio_open()</B
> opens a file and returns a new file
descriptor for it, or <TT
CLASS="constant"
><B
>FALSE</B
></TT
> if any error occurred. If
<TT
CLASS="parameter"
><I
>flags</I
></TT
> is O_CREAT, optional third parameter
<TT
CLASS="parameter"
><I
>mode</I
></TT
> will set the mode of the file
(creation permissions). The <TT
CLASS="parameter"
><I
>flags</I
></TT
>
parameter can be one of the following options:
<P
></P
><UL
><LI
><P
>O_RDONLY - opens the file for read access</P
></LI
><LI
><P
>O_WRONLY - opens the file for write access</P
></LI
><LI
><P
> O_RDWR - opens the file for both reading and
writing
</P
></LI
></UL
>
The <TT
CLASS="parameter"
><I
>flags</I
></TT
> parameter can also include any
combination of the following flags:
<P
></P
><UL
><LI
><P
> O_CREAT - creates the file, if it doesn't already exist
</P
></LI
><LI
><P
> O_EXCL - if both, O_CREAT and O_EXCL are set,
<B
CLASS="function"
>dio_open()</B
> fails, if file already exists
</P
></LI
><LI
><P
> O_TRUNC - if file exists, and its opened for write access,
file will be truncated to zero length.
</P
></LI
><LI
><P
> O_APPEND - write operations write data at the
end of file</P
></LI
><LI
><P
>O_NONBLOCK -
sets non blocking mode
</P
></LI
></UL
>
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