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

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

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CLASS="sect1"
><H1
CLASS="sect1"
><A
NAME="features.safe-mode.functions"
></A
>Functions restricted/disabled by safe mode</H1
><P
>&#13;    This is a still probably incomplete and possibly incorrect listing
    of the functions limited by 
    <A
HREF="features.safe-mode.html"
>safe mode</A
>.
    
    <DIV
CLASS="table"
><A
NAME="AEN6254"
></A
><P
><B
>Table 22-2. Safe mode limited functions</B
></P
><TABLE
BORDER="1"
CLASS="CALSTABLE"
><THEAD
><TR
><TH
ALIGN="LEFT"
VALIGN="MIDDLE"
>Function</TH
><TH
ALIGN="LEFT"
VALIGN="MIDDLE"
>Limitations</TH
></TR
></THEAD
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><A
HREF="function.dbmopen.html"
><B
CLASS="function"
>dbmopen()</B
></A
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Checks whether the files or directories you are 
about to operate on have the same UID (owner) as the script that is being
executed.</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><A
HREF="function.dbase-open.html"
><B
CLASS="function"
>dbase_open()</B
></A
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Checks whether the files or directories you are 
about to operate on have the same UID (owner) as the script that is being
executed.</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><A
HREF="function.filepro.html"
><B
CLASS="function"
>filepro()</B
></A
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Checks whether the files or directories you are 
about to operate on have the same UID (owner) as the script that is being
executed.</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><A
HREF="function.filepro-rowcount.html"
><B
CLASS="function"
>filepro_rowcount()</B
></A
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Checks whether the files or directories you are 
about to operate on have the same UID (owner) as the script that is being
executed.</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><A
HREF="function.filepro-retrieve.html"
><B
CLASS="function"
>filepro_retrieve()</B
></A
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Checks whether the files or directories you are 
about to operate on have the same UID (owner) as the script that is being
executed.</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><B
CLASS="function"
>ifx_*()</B
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>sql_safe_mode restrictions, (!= safe mode)</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><B
CLASS="function"
>ingres_*()</B
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>sql_safe_mode restrictions, (!= safe mode)</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><B
CLASS="function"
>mysql_*()</B
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>sql_safe_mode restrictions, (!= safe mode)</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><B
CLASS="function"
>pg_loimport()</B
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Checks whether the files or directories you are 
about to operate on have the same UID (owner) as the script that is being
executed.</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><A
HREF="function.posix-mkfifo.html"
><B
CLASS="function"
>posix_mkfifo()</B
></A
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Checks whether the directory in which
you are about to operate has the same UID (owner) as the script that is being
executed.</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><A
HREF="function.putenv.html"
><B
CLASS="function"
>putenv()</B
></A
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Obeys the safe_mode_protected_env_vars and 
        safe_mode_allowed_env_vars ini-directives. See also the documentation
        on <A
HREF="function.putenv.html"
><B
CLASS="function"
>putenv()</B
></A
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><A
HREF="function.move-uploaded-file.html"
><B
CLASS="function"
>move_uploaded_file()</B
></A
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Checks whether the files or directories you are 
about to operate on have the same UID (owner) as the script that is being
executed. </TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><A
HREF="function.chdir.html"
><B
CLASS="function"
>chdir()</B
></A
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Checks whether the directory in which
you are about to operate has the same UID (owner) as the script that is being
executed.</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><A
HREF="function.dl.html"
><B
CLASS="function"
>dl()</B
></A
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>This function is disabled in <A
HREF="features.safe-mode.html"
>safe mode</A
>.</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><A
HREF="language.operators.execution.html"
>backtick operator</A
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>This function is disabled in <A
HREF="features.safe-mode.html"
>safe mode</A
>.</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><A
HREF="function.shell-exec.html"
><B
CLASS="function"
>shell_exec()</B
></A
> (functional equivalent 
        of backticks)</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>This function is disabled in <A
HREF="features.safe-mode.html"
>safe mode</A
>.</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><A
HREF="function.exec.html"
><B
CLASS="function"
>exec()</B
></A
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>You can only execute executables within the <A
HREF="features.safe-mode.html#ini.safe-mode-exec-dir"
>safe_mode_exec_dir</A
>.
        For practical reasons it's currently not allowed to have
        <TT
CLASS="literal"
>..</TT
> components in the path to the executable.</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><A
HREF="function.system.html"
><B
CLASS="function"
>system()</B
></A
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>You can only execute executables within the <A
HREF="features.safe-mode.html#ini.safe-mode-exec-dir"
>safe_mode_exec_dir</A
>.
        For practical reasons it's currently not allowed to have
        <TT
CLASS="literal"
>..</TT
> components in the path to the executable.</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><A
HREF="function.passthru.html"
><B
CLASS="function"
>passthru()</B
></A
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>You can only execute executables within the <A
HREF="features.safe-mode.html#ini.safe-mode-exec-dir"
>safe_mode_exec_dir</A
>.
        For practical reasons it's currently not allowed to have
        <TT
CLASS="literal"
>..</TT
> components in the path to the executable.</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><A
HREF="function.popen.html"
><B
CLASS="function"
>popen()</B
></A
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>You can only execute executables within the <A
HREF="features.safe-mode.html#ini.safe-mode-exec-dir"
>safe_mode_exec_dir</A
>.
        For practical reasons it's currently not allowed to have
        <TT
CLASS="literal"
>..</TT
> components in the path to the executable.</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><A
HREF="function.mkdir.html"
><B
CLASS="function"
>mkdir()</B
></A
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Checks whether the directory in which
you are about to operate has the same UID (owner) as the script that is being
executed.</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><A
HREF="function.rmdir.html"
><B
CLASS="function"
>rmdir()</B
></A
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Checks whether the files or directories you are 
about to operate on have the same UID (owner) as the script that is being
executed.</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><A
HREF="function.rename.html"
><B
CLASS="function"
>rename()</B
></A
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Checks whether the files or directories you are 
about to operate on have the same UID (owner) as the script that is being
executed. Checks whether the directory in which
you are about to operate has the same UID (owner) as the script that is being
executed.</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><A
HREF="function.unlink.html"
><B
CLASS="function"
>unlink()</B
></A
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Checks whether the files or directories you are 
about to operate on have the same UID (owner) as the script that is being
executed. Checks whether the directory in which
you are about to operate has the same UID (owner) as the script that is being
executed.</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><A
HREF="function.copy.html"
><B
CLASS="function"
>copy()</B
></A
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Checks whether the files or directories you are 
about to operate on have the same UID (owner) as the script that is being
executed. Checks whether the directory in which
you are about to operate has the same UID (owner) as the script that is being
executed. (on 
        <TT
CLASS="parameter"
><I
>source</I
></TT
> and 
        <TT
CLASS="parameter"
><I
>target</I
></TT
>) </TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><A
HREF="function.chgrp.html"
><B
CLASS="function"
>chgrp()</B
></A
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Checks whether the files or directories you are 
about to operate on have the same UID (owner) as the script that is being
executed.</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><A
HREF="function.chown.html"
><B
CLASS="function"
>chown()</B
></A
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Checks whether the files or directories you are 
about to operate on have the same UID (owner) as the script that is being
executed.</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><A
HREF="function.chmod.html"
><B
CLASS="function"
>chmod()</B
></A
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Checks whether the files or directories you are 
about to operate on have the same UID (owner) as the script that is being
executed. In addition, you cannot  
        set the SUID, SGID and sticky bits</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><A
HREF="function.touch.html"
><B
CLASS="function"
>touch()</B
></A
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Checks whether the files or directories you are 
about to operate on have the same UID (owner) as the script that is being
executed. Checks whether the directory in which
you are about to operate has the same UID (owner) as the script that is being
executed.</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><A
HREF="function.symlink.html"
><B
CLASS="function"
>symlink()</B
></A
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Checks whether the files or directories you are 
about to operate on have the same UID (owner) as the script that is being
executed. Checks whether the directory in which
you are about to operate has the same UID (owner) as the script that is being
executed. (note: only the target is 
        checked)</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><A
HREF="function.link.html"
><B
CLASS="function"
>link()</B
></A
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Checks whether the files or directories you are 
about to operate on have the same UID (owner) as the script that is being
executed. Checks whether the directory in which
you are about to operate has the same UID (owner) as the script that is being
executed. (note: only the target is 
        checked)</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><A
HREF="function.getallheaders.html"
><B
CLASS="function"
>getallheaders()</B
></A
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>In safe mode, headers beginning with 'authorization' 
        (case-insensitive)
        will not be returned. Warning: this is broken with the aol-server
        implementation of <A
HREF="function.getallheaders.html"
><B
CLASS="function"
>getallheaders()</B
></A
>!</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><A
HREF="function.header.html"
><B
CLASS="function"
>header()</B
></A
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>In safe mode, the uid of the script is added to the
        <TT
CLASS="literal"
>realm</TT
> part of the
        <TT
CLASS="literal"
>WWW-Authenticate</TT
> header if you set this
        header (used for HTTP Authentication).</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
><A
HREF="features.http-auth.html"
>PHP_AUTH variables</A
></TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>&#13;         In safe mode, the variables <TT
CLASS="varname"
>PHP_AUTH_USER</TT
>,
         <TT
CLASS="varname"
>PHP_AUTH_PW</TT
>, and <TT
CLASS="varname"
>PHP_AUTH_TYPE</TT
>
         are not available in <TT
CLASS="varname"
>$_SERVER</TT
>. Regardless, you
         can still use <TT
CLASS="varname"
>REMOTE_USER</TT
> for the USER.
         (note: only affected since PHP 4.3.0)
        </TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>&#13;         <A
HREF="function.highlight-file.html"
><B
CLASS="function"
>highlight_file()</B
></A
>,
         <A
HREF="function.show-source.html"
><B
CLASS="function"
>show_source()</B
></A
>
        </TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>&#13;         Checks whether the files or directories you are 
about to operate on have the same UID (owner) as the script that is being
executed. Checks whether the directory in which
you are about to operate has the same UID (owner) as the script that is being
executed. (note: only affected since PHP 4.2.1)
        </TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>&#13;         <A
HREF="function.parse-ini-file.html"
><B
CLASS="function"
>parse_ini_file()</B
></A
>
        </TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>&#13;         Checks whether the files or directories you are 
about to operate on have the same UID (owner) as the script that is being
executed. Checks whether the directory in which
you are about to operate has the same UID (owner) as the script that is being
executed. (note: only affected since PHP 4.2.1)
        </TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>Any function that uses 
         <TT
CLASS="filename"
>php4/main/fopen_wrappers.c</TT
>
        </TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>??</TD
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