Joomla\Registry\Format\Ini::stringToObject()

Complexity

Conditions	33
Paths	296

Size

Total Lines	191
Code Lines	76

Duplication

Lines	16
Ratio	8.38 %

Importance

Changes

0

<?php
	public function stringToObject($data, array $options = array())
	{
		$options = array_merge(self::$options, $options);

		// Check the memory cache for already processed strings.
		$hash = md5($data . ':' . (int) $options['processSections']);

		if (isset(self::$cache[$hash]))
		{
			return self::$cache[$hash];
		}

		// If no lines present just return the object.
		if (empty($data))
		{
			return new stdClass;
		}

		$obj = new stdClass;
		$section = false;
		$array = false;
		$lines = explode("\n", $data);

		// Process the lines.
		foreach ($lines as $line)
		{
			// Trim any unnecessary whitespace.
			$line = trim($line);

			// Ignore empty lines and comments.
			if (empty($line) || ($line{0} == ';'))
			{
				continue;
			}

			if ($options['processSections'])
			{
				$length = strlen($line);

				// If we are processing sections and the line is a section add the object and continue.
				if (($line[0] == '[') && ($line[$length - 1] == ']'))
				{
					$section = substr($line, 1, $length - 2);
					$obj->$section = new stdClass;
					continue;
				}
			}
			elseif ($line{0} == '[')
			{
				continue;
			}

			// Check that an equal sign exists and is not the first character of the line.
			if (!strpos($line, '='))
			{
				// Maybe throw exception?
				continue;
			}

			// Get the key and value for the line.
			list ($key, $value) = explode('=', $line, 2);

			// If we have an array item
			if (substr($key, -1) == ']' && ($open_brace = strpos($key, '[', 1)) !== false)
			{
				if ($options['supportArrayValues'])
				{
					$array = true;
					$array_key = substr($key, $open_brace + 1, -1);

					// If we have a multi-dimensional array or malformed key
					if (strpos($array_key, '[') !== false || strpos($array_key, ']') !== false)
					{
						// Maybe throw exception?
						continue;
					}

					$key = substr($key, 0, $open_brace);
				}
				else
				{
					continue;
				}
			}

			// Validate the key.
			if (preg_match('/[^A-Z0-9_]/i', $key))
			{
				// Maybe throw exception?
				continue;
			}

			// If the value is quoted then we assume it is a string.
			$length = strlen($value);

			if ($length && ($value[0] == '"') && ($value[$length - 1] == '"'))
			{
				// Strip the quotes and Convert the new line characters.
				$value = stripcslashes(substr($value, 1, ($length - 2)));
				$value = str_replace('\n', "\n", $value);
			}
			else
			{
				// If the value is not quoted, we assume it is not a string.

				// If the value is 'false' assume boolean false.
				if ($value == 'false')
				{
					$value = false;
				}
				elseif ($value == 'true')
				// If the value is 'true' assume boolean true.
				{
					$value = true;
				}
				elseif ($options['parseBooleanWords'] && in_array(strtolower($value), array('yes', 'no')))
				// If the value is 'yes' or 'no' and option is enabled assume appropriate boolean
				{
					$value = (strtolower($value) == 'yes');
				}
				elseif (is_numeric($value))
				// If the value is numeric than it is either a float or int.
				{
					// If there is a period then we assume a float.
					if (strpos($value, '.') !== false)
					{
						$value = (float) $value;
					}
					else
					{
						$value = (int) $value;
					}
				}
			}

			// If a section is set add the key/value to the section, otherwise top level.
			if ($section)

The expression $section of type false|string is loosely compared to true; this is ambiguous if the string can be empty. You might want to explicitly use !== false instead.

			{
				if ($array)
				{
					if (!isset($obj->$section->$key))
					{
						$obj->$section->$key = array();
					}

					if (!empty($array_key))

This code seems to be duplicated across your project.

					{
						$obj->$section->{$key}[$array_key] = $value;
					}
					else
					{
						$obj->$section->{$key}[] = $value;
					}
				}
				else
				{
					$obj->$section->$key = $value;
				}
			}
			else
			{
				if ($array)
				{
					if (!isset($obj->$key))
					{
						$obj->$key = array();
					}

					if (!empty($array_key))

This code seems to be duplicated across your project.

					{
						$obj->{$key}[$array_key] = $value;
					}
					else
					{
						$obj->{$key}[] = $value;
					}
				}
				else
				{
					$obj->$key = $value;
				}
			}

			$array = false;
		}

		// Cache the string to save cpu cycles -- thus the world :)
		self::$cache[$hash] = clone $obj;

		return $obj;
	}