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<?php
/*
** Zabbix
** Copyright (C) 2001-2020 Zabbix SIA
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 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 General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
**/
function sdb($return = false) {
$backtrace = debug_backtrace();
array_shift($backtrace);
$result = 'DEBUG BACKTRACE: <br/>';
foreach ($backtrace as $n => $bt) {
$result .= ' --['.$n.']-- '.$bt['file'].' : '.$bt['line'].'<br/>';
$result .= " <b>".(isset($bt['class']) ? $bt['class'].$bt['type'].$bt['function'] : $bt['function']).'</b>';
$args = [];
foreach ($bt['args'] as $arg) {
$args[] = is_array($arg) ? print_r($arg, true) : $arg;
}
$result .= '( '.implode(', ', $args).' ) <br/>';
}
if ($return) {
return $result;
}
else {
echo $result;
}
}
function sdi($msg = 'SDI') {
echo 'DEBUG INFO: ';
var_dump($msg);
echo BR();
}
function sdii($msg = 'SDII', $for = '', $showInvisible = true) {
if ($showInvisible) {
if ($msg === null) {
$msg = 'NULL';
}
elseif ($msg === false) {
$msg = 'FALSE';
}
elseif ($msg === TRUE) {
$msg = 'TRUE';
}
}
echo 'DEBUG INFO: '.$for;
echo '<pre>'.print_r($msg, true).'</pre>';
echo BR();
}
function vdp($var, $msg = null) {
echo 'DEBUG DUMP: ';
if (isset($msg)) {
echo '"'.$msg.'"'.SPACE;
}
var_dump($var);
echo BR();
}
function todo($msg) {
echo 'TODO: '.$msg.BR();
}
/**
* Writes data in given file. Rewrites file on each PHP execution.
*
* @staticvar resource $fileStream resource of opened file
* @param mixed $data data to write in file
* @param boolean $persist persist file content on multiple script runs
* @param string $fileName file where output will be stored
*/
function sdFile($data, $persist = false, $fileName = 'debug.txt') {
static $fileStream;
if ($persist || $fileStream) {
$fileStream = fopen($fileName, 'a');
}
else {
$fileStream = fopen($fileName, 'w');
}
fwrite($fileStream, var_export($data, true)."\n\n");
fclose($fileStream);
}
function sdff($msg, $fileName = '/tmp/zabbix.log') {
$fileStreem = @fopen($fileName, 'a');
if (is_array($msg)) {
$toImplode = [];
foreach ($msg as $key => $value) {
$toImplode[] = var_export($key, true).'=>'.var_export($value, true);
}
@fwrite($fileStreem, 'array('.implode(',', $toImplode).')'."\n\n");
} else {
@fwrite($fileStreem, var_export($msg, true)."\n\n");
}
@fclose($fileStreem);
}
function sdf(&$var) {
$value = $var;
$var = $new = null;
$varname = false;
foreach ($GLOBALS as $key => $val) {
if ($val === $new) {
$varname = $key;
}
}
echo '$'.$varname.'=';
if (is_array($value) || is_object($value)) {
echo '<pre>'.print_r($value, true).'</pre>';
}
else {
echo $value;
}
echo BR();
}
/**
* Infinite loop breaker, can be called inside loop that can be infinite. If number of
* calls exceeds defined limit then backtrace is printed and script is terminated.
*
* @param $limit number of function calls after which script should be terminated.
*/
function ilb($limit = 100) {
static $counter = 0;
$counter++;
if ($counter == $limit) {
// just calling sdb is forbidden by pre-commit hook :/
call_user_func('sdb');
exit;
}
}
function timer($timer = null) {
static $timers = [];
if ($timer === null) {
$timer = '_general_';
}
$mtime = microtime(true);
if (isset($timers[$timer])) {
echo $timer.': '.round($mtime - $timers[$timer]['start'], 4).' ('.round($mtime - $timers[$timer]['last'], 4).')'.'<br>';
$timers[$timer]['last'] = $mtime;
}
else {
echo $timer.' started.'.'<br>';
$timers[$timer]['start'] = $mtime;
$timers[$timer]['last'] = $mtime;
}
}
/**
* Shorthand for throwing exception
*
* @param string $ex exception text
*/
function sdex($ex = 'My exception') {
throw new APIException(ZBX_API_ERROR_INTERNAL, $ex);
}
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