<?php
/* $Id: text_plain__substr.inc.php,v 1.1.2.1 2004/04/05 07:30:49 kirilt Exp $ */
// vim: expandtab sw=4 ts=4 sts=4:

function PMA_transformation_text_plain__substr($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 $options[] array.
    if (!isset($options[0]) ||  $options[0] == '') {
        $options[0] = 0;
    }

    if (!isset($options[1]) ||  $options[1] == '') {
        $options[1] = 'all';
    }

    if (!isset($options[2]) || $options[2] == '') {
        $options[2] = '...';
    }

    $newtext = '';
    if ($options[1] != 'all') {
        $newtext = substr($buffer, $options[0], $options[1]);
    } else {
        $newtext = substr($buffer, $options[0]);
    }

    $length = strlen($newtext);
    $baselength = strlen($buffer);
    if ($length != $baselength) {
        if ($options[0] != 0) {
            $newtext = $options[2] . $newtext;
        }

        if (($length + $options[0]) != $baselength) {
            $newtext .= $options[2];
        }
    }

    return $newtext;
}

?>
