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hotspot_ynh/sources/lib/unix_func.php

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<?php
/**
* YunoHost - Self-hosting for all
* Copyright (C) 2012 Kload <kload@kload.fr>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
function read_file($file, $lines = 20) {
if (!$handle = fopen($file, "r"))
return false;
$linecounter = $lines;
$pos = -2;
$beginning = false;
$text = array();
while ($linecounter > 0) {
$t = " ";
while ($t != "\n") {
if(fseek($handle, $pos, SEEK_END) == -1) {
$beginning = true;
break;
}
$t = fgetc($handle);
$pos --;
}
$linecounter --;
if ($beginning) {
rewind($handle);
}
$text[$lines-$linecounter-1] = fgets($handle);
if ($beginning) break;
}
fclose ($handle);
return array_reverse($text);
}