<?php
/**
* This file contains all common functions which can not (really) be part of complete any class in this package
*
* @package PHPMySVNAdmin
* @author Jaswinder Rattanpal (www.rattanpal.com)
* @version 1.0
*/
/**
* Wrapper around print_r() function
* @param Mixed $var Variable to output in print_r()
*/
function printr($var){
echo '<pre>';
print_r($var);
echo '</echo>';
}
/**
* Run command using system() command
* @param String $cmd Command to run
*/
function runCommand($cmd){
system($cmd);
}
/**
* use ob function to reuiq_once() a file
* @repo String $file File to be included
*/
function obRequireOnce($file,&$data = array()){
ob_start();
require_once($file);
$contents = ob_get_contents();
ob_end_clean();
return $contents;
}
/**
* Generate HTML Select field
*/
function genHtmlSelectTag($name,$options,$userKeyAsValue=false){
$str = '<select name="'.$name.'" id="'.$name.'">';
foreach($options as $key=>$value){
$str .= "<option value='$key'>".($userKeyAsValue?$key:$value).'</option>';
}
$str .= '</select>';
return $str;
}
/**
* Function to read ini file
* Cannot use par_ini_file becuase SVN permissions file include # as comments and thos ehave been deprecated in parse_ini_file
*/
function read_ini_file($f, &$r)
{
$null = "";
//$r=$null;
$first_char = "";
$sec=$null;
$comment_chars=";#";
$num_comments = "0";
$num_newline = "0";
//Read to end of file with the newlines still attached into $f
$f = @file($f);
if ($f === false) {
return -2;
}
// Process all lines from 0 to count($f)
for ($i=0; $i<@count($f); $i++)
{
$w=@trim($f[$i]);
$first_char = @substr($w,0,1);
if ($w)
{
if ((@substr($w,0,1)=="[") and (@substr($w,-1,1))=="]") {
$sec=@substr($w,1,@strlen($w)-2);
$num_comments = 0;
$num_newline = 0;
}
else if ((stristr($comment_chars, $first_char) == true)) {
//$r[$sec]["Comment_".$num_comments]=$w;
//$num_comments = $num_comments +1;
}
else {
// Look for the = char to allow us to split the section into key and value
$w=@explode("=",$w);
$k=@trim($w[0]);
unset($w[0]);
$v=@trim(@implode("=",$w));
// look for the new lines
if ((@substr($v,0,1)=="\"") and (@substr($v,-1,1)=="\"")) {
$v=@substr($v,1,@strlen($v)-2);
}
$r[$sec][$k]=$v;
}
}
//else {
//$r[$sec]["Newline_".$num_newline]=$w;
//$num_newline = $num_newline +1;
//}
}
return true;
}
/**
* Add INI file back in proper format (SVN Permissions file in this case)
*/
function write_php_ini($array, $file)
{
$res = array();
foreach($array as $key => $val)
{
if(is_array($val))
{
$res[] = "[$key]";
foreach($val as $skey => $sval) $res[] = "$skey = ".(is_numeric($sval) ? $sval : $sval);
$res[] = "\r\n";
}
else $res[] = "$key = ".(is_numeric($val) ? $val : $val);
}
safefilerewrite($file, implode("\r\n", $res));
}
//////
function safefilerewrite($fileName, $dataToSave)
{ if ($fp = fopen($fileName, 'w'))
{
$startTime = microtime();
do
{ $canWrite = flock($fp, LOCK_EX);
// If lock not obtained sleep for 0 - 100 milliseconds, to avoid collision and CPU load
if(!$canWrite) usleep(round(rand(0, 100)*1000));
} while ((!$canWrite)and((microtime()-$startTime) < 1000));
//file was locked so now we can store information
if ($canWrite)
{ fwrite($fp, $dataToSave);
flock($fp, LOCK_UN);
}
fclose($fp);
}
}
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