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Viewing / Editing File: ParseIni.php

<?php
/**
 * @package   awf
 * @copyright Copyright (c)2014-2026 Nicholas K. Dionysopoulos / Akeeba Ltd
 * @license   GNU GPL version 3 or later
 */

namespace Awf\Utils;

/**
 * PHP will, by default, parse INI files and INI strings in the default mode, i.e. allowing variable interpolation and
 * requiring wrapping the value in double quotes.
 *
 * For example, ${foo} will be replaced with the contents of the variable $foo in the current context.
 *
 * This is problematic when you have passwords where such special characters are very likely to occur.
 *
 * Since ANGIE will only parse a small amount of INI data and is used infrequently we bypass the problem by using a much
 * slower, but safe, parser written entirely in PHP instead of the native functions.
 */
abstract class ParseIni
{
	/**
	 * Parse an INI file and return an associative array.
	 *
	 * @param    string  $file              The file to process
	 * @param    bool    $process_sections  True to also process INI sections
	 *
	 * @return   array    An associative array of sections, keys and values
	 */
	public static function parse_ini_file($file, $process_sections, $rawdata = false)
	{
		if ($rawdata)
		{
			return self::parse_ini_file_php($file, $process_sections, $rawdata);
		}
		else
		{
			return self::parse_ini_file_php($file, $process_sections);
		}
	}

/**
	 * A PHP based INI file parser.
	 *
	 * Thanks to asohn ~at~ aircanopy ~dot~ net for posting this handy function on
	 * the parse_ini_file page on http://gr.php.net/parse_ini_file
	 *
	 * @param    string $file             Filename to process
	 * @param    bool   $process_sections True to also process INI sections
	 * @param    bool   $rawdata          If true, the $file contains raw INI data, not a filename
	 *
	 * @return    array    An associative array of sections, keys and values
	 */
	static function parse_ini_file_php($file, $process_sections = false, $rawdata = false)
	{
		$process_sections = (bool)$process_sections;

if (!$rawdata)
		{
			$ini = file($file);
		}
		else
		{
			$file = str_replace("\r", "", $file);
			$ini = explode("\n", $file);
		}

if (!is_array($ini))
		{
			return array();
		}

if (count($ini) == 0)
		{
			return array();
		}

$sections = array();
		$values = array();
		$result = array();
		$globals = array();
		$i = 0;
		foreach ($ini as $line)
		{
			$line = trim($line);
			$line = str_replace("\t", " ", $line);

// Comments
			if (!preg_match('/^[a-zA-Z0-9[]/', $line))
			{
				continue;
			}

// Sections
			if ($line[0] == '[')
			{
				$tmp = explode(']', $line);
				$sections[] = trim(substr($tmp[0], 1));
				$i++;
				continue;
			}

// Key-value pair
			$lineParts = explode('=', $line, 2);
			if (count($lineParts) != 2)
			{
				continue;
			}
			$key = trim($lineParts[0]);
			$value = trim($lineParts[1]);
			unset($lineParts);

if (strstr($value, ";"))
			{
				$tmp = explode(';', $value);
				if (count($tmp) == 2)
				{
					if ((($value[0] != '"') && ($value[0] != "'")) ||
						preg_match('/^".*"\s*;/', $value) || preg_match('/^".*;[^"]*$/', $value) ||
						preg_match("/^'.*'\s*;/", $value) || preg_match("/^'.*;[^']*$/", $value)
					)
					{
						$value = $tmp[0];
					}
				}
				else
				{
					if ($value[0] == '"')
					{
						$value = preg_replace('/^"(.*)".*/', '$1', $value);
					}
					elseif ($value[0] == "'")
					{
						$value = preg_replace("/^'(.*)'.*/", '$1', $value);
					}
					else
					{
						$value = $tmp[0];
					}
				}
			}
			$value = trim($value);
			$value = trim($value, "'\"");

if ($i == 0)
			{
				if (substr($line, -1, 2) == '[]')
				{
					$globals[$key][] = $value;
				}
				else
				{
					$globals[$key] = $value;
				}
			}
			else
			{
				if (substr($line, -1, 2) == '[]')
				{
					$values[$i - 1][$key][] = $value;
				}
				else
				{
					$values[$i - 1][$key] = $value;
				}
			}
		}

if ($process_sections)
		{
			for ($j = 0; $j < $i; $j++)
			{
				if (isset($sections[$j]) && isset($values[$j]))
				{
					$result[$sections[$j]] = $values[$j];
				}
			}

return $result + $globals;
		}

foreach ($values as $chunk)
		{
			$globals = array_merge($globals, $chunk);
		}

return $globals;
	}
}

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