<?php/* $Id: text_plain__external.inc.php 8340 2006-01-19 15:39:29Z cybot_tm $ */// vim: expandtab sw=4 ts=4 sts=4:function PMA_transformation_text_plain__external_nowrap($options = array()) {    if (!isset($options[3]) || $options[3] == '') {        $nowrap = true;    } elseif ($options[3] == '1' || $options[3] == 1) {        $nowrap = true;    } else {        $nowrap = false;    }    return $nowrap;}function PMA_transformation_text_plain__external($buffer, $options = array(), $meta = '') {    // possibly use a global transform and feed it with special options:    // include('./libraries/transformations/global.inc.php');    // further operations on $buffer using the $options[] array.    $allowed_programs = array();    //    // WARNING:    //    // It's up to administrator to allow anything here. Note that users may    // specify any parameters, so when programs allow output redirection or    // any other possibly dangerous operations, you should write wrapper    // script that will publish only functions you really want.    //    // Add here program definitions like (note that these are NOT safe    // programs):    //    //$allowed_programs[0] = '/usr/local/bin/tidy';    //$allowed_programs[1] = '/usr/local/bin/validate';    // no-op when no allowed programs    if (count($allowed_programs) == 0) {        return $buffer;    }    if (!isset($options[0]) ||  $options[0] == '' || !isset($allowed_programs[$options[0]])) {        $program = $allowed_programs[0];    } else {        $program = $allowed_programs[$options[0]];    }    if (!isset($options[1]) || $options[1] == '') {        $poptions = '-f /dev/null -i -wrap -q';    } else {        $poptions = $options[1];    }    if (!isset($options[2]) || $options[2] == '') {        $options[2] = 1;    }    if (!isset($options[3]) || $options[3] == '') {        $options[3] = 1;    }    // needs PHP >= 4.3.0    $newstring = '';    $descriptorspec = array(        0 => array("pipe", "r"),        1 => array("pipe", "w")    );    $process = proc_open($program . ' ' . $poptions, $descriptorspec, $pipes);    if (is_resource($process)) {        fwrite($pipes[0], $buffer);        fclose($pipes[0]);        while (!feof($pipes[1])) {            $newstring .= fgets($pipes[1], 1024);        }        fclose($pipes[1]);        // we don't currently use the return value         $return_value = proc_close($process);    }    if ($options[2] == 1 || $options[2] == '2') {        $retstring = htmlspecialchars($newstring);    } else {        $retstring = $newstring;    }    return $retstring;}?>