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<?php
// Copyright (C) 2015 Remy van Elst
// 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 pre_dump($var) {
//this function is amazing whilst debugging.
echo "<pre>";
var_dump($var);
echo "</pre>";
}
function utf8encodeNestedArray($arr) {
// json_encode fails with binary data. utf-8 encode that first, some ca's like to encode images in their OID's (verisign, 1.3.6.1.5.5.7.1.12)...
$encoded_arr = array();
foreach ($arr as $key => $value) {
if (is_array($value)) {
$encoded_arr[utf8_encode($key)] = utf8encodeNestedArray($value);
} else {
$encoded_arr[utf8_encode($key)] = utf8_encode($value);
}
}
return $encoded_arr;
}
//two helper functions to check if string starts or end with, from stack overflow.
function startsWith($haystack, $needle) {
// search backwards starting from haystack length characters from the end
return $needle === "" || strrpos($haystack, $needle, -strlen($haystack)) !== FALSE;
}
function endsWith($haystack, $needle) {
// search forward starting from end minus needle length characters
if(!empty($haystack)) {
return $needle === "" || strpos($haystack, $needle, strlen($haystack) - strlen($needle)) !== FALSE;
}
}
function get_current_folder(){
//not current OS folder, but current web folder.
//used for relative links and css/js files
$url = $_SERVER['REQUEST_URI'];
$parts = explode('/',$url);
$folder = '';
for ($i = 0; $i < count($parts) - 1; $i++) {
$folder .= $parts[$i] . "/";
}
return $folder;
}
$current_folder = get_current_folder();
function gen_uuid() {
//from stack overflow.
return sprintf( '%04x%04x-%04x-%04x-%04x-%04x%04x%04x',
// 32 bits for "time_low"
mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff ),
// 16 bits for "time_mid"
mt_rand( 0, 0xffff ),
// 16 bits for "time_hi_and_version",
// four most significant bits holds version number 4
mt_rand( 0, 0x0fff ) | 0x4000,
// 16 bits, 8 bits for "clk_seq_hi_res",
// 8 bits for "clk_seq_low",
// two most significant bits holds zero and one for variant DCE1.1
mt_rand( 0, 0x3fff ) | 0x8000,
// 48 bits for "node"
mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff )
);
}
?>
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