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array.php 0000644 00000030761 15235151437 0006410 0 ustar 00 <?php
/**
* @package FrameworkOnFramework
* @subpackage utils
* @copyright Copyright (C) 2010-2016 Nicholas K. Dionysopoulos / Akeeba Ltd. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
defined('FOF_INCLUDED') or die;
/**
* A utility class to handle array manipulation.
*
* Based on the JArrayHelper class as found in Joomla! 3.2.0
*/
abstract class FOFUtilsArray
{
/**
* Option to perform case-sensitive sorts.
*
* @var mixed Boolean or array of booleans.
*/
protected static $sortCase;
/**
* Option to set the sort direction.
*
* @var mixed Integer or array of integers.
*/
protected static $sortDirection;
/**
* Option to set the object key to sort on.
*
* @var string
*/
protected static $sortKey;
/**
* Option to perform a language aware sort.
*
* @var mixed Boolean or array of booleans.
*/
protected static $sortLocale;
/**
* Function to convert array to integer values
*
* @param array &$array The source array to convert
* @param mixed $default A default value (int|array) to assign if $array is not an array
*
* @return void
*/
public static function toInteger(&$array, $default = null)
{
if (is_array($array))
{
foreach ($array as $i => $v)
{
$array[$i] = (int) $v;
}
}
else
{
if ($default === null)
{
$array = array();
}
elseif (is_array($default))
{
self::toInteger($default, null);
$array = $default;
}
else
{
$array = array((int) $default);
}
}
}
/**
* Utility function to map an array to a stdClass object.
*
* @param array &$array The array to map.
* @param string $class Name of the class to create
*
* @return object The object mapped from the given array
*/
public static function toObject(&$array, $class = 'stdClass')
{
$obj = null;
if (is_array($array))
{
$obj = new $class;
foreach ($array as $k => $v)
{
if (is_array($v))
{
$obj->$k = self::toObject($v, $class);
}
else
{
$obj->$k = $v;
}
}
}
return $obj;
}
/**
* Utility function to map an array to a string.
*
* @param array $array The array to map.
* @param string $inner_glue The glue (optional, defaults to '=') between the key and the value.
* @param string $outer_glue The glue (optional, defaults to ' ') between array elements.
* @param boolean $keepOuterKey True if final key should be kept.
*
* @return string The string mapped from the given array
*/
public static function toString($array = null, $inner_glue = '=', $outer_glue = ' ', $keepOuterKey = false)
{
$output = array();
if (is_array($array))
{
foreach ($array as $key => $item)
{
if (is_array($item))
{
if ($keepOuterKey)
{
$output[] = $key;
}
// This is value is an array, go and do it again!
$output[] = self::toString($item, $inner_glue, $outer_glue, $keepOuterKey);
}
else
{
$output[] = $key . $inner_glue . '"' . $item . '"';
}
}
}
return implode($outer_glue, $output);
}
/**
* Utility function to map an object to an array
*
* @param object $p_obj The source object
* @param boolean $recurse True to recurse through multi-level objects
* @param string $regex An optional regular expression to match on field names
*
* @return array The array mapped from the given object
*/
public static function fromObject($p_obj, $recurse = true, $regex = null)
{
if (is_object($p_obj))
{
return self::_fromObject($p_obj, $recurse, $regex);
}
else
{
return null;
}
}
/**
* Utility function to map an object or array to an array
*
* @param mixed $item The source object or array
* @param boolean $recurse True to recurse through multi-level objects
* @param string $regex An optional regular expression to match on field names
*
* @return array The array mapped from the given object
*/
protected static function _fromObject($item, $recurse, $regex)
{
if (is_object($item))
{
$result = array();
foreach (get_object_vars($item) as $k => $v)
{
if (!$regex || preg_match($regex, $k))
{
if ($recurse)
{
$result[$k] = self::_fromObject($v, $recurse, $regex);
}
else
{
$result[$k] = $v;
}
}
}
}
elseif (is_array($item))
{
$result = array();
foreach ($item as $k => $v)
{
$result[$k] = self::_fromObject($v, $recurse, $regex);
}
}
else
{
$result = $item;
}
return $result;
}
/**
* Extracts a column from an array of arrays or objects
*
* @param array &$array The source array
* @param string $index The index of the column or name of object property
*
* @return array Column of values from the source array
*/
public static function getColumn(&$array, $index)
{
$result = array();
if (is_array($array))
{
foreach ($array as &$item)
{
if (is_array($item) && isset($item[$index]))
{
$result[] = $item[$index];
}
elseif (is_object($item) && isset($item->$index))
{
$result[] = $item->$index;
}
// Else ignore the entry
}
}
return $result;
}
/**
* Utility function to return a value from a named array or a specified default
*
* @param array &$array A named array
* @param string $name The key to search for
* @param mixed $default The default value to give if no key found
* @param string $type Return type for the variable (INT, FLOAT, STRING, WORD, BOOLEAN, ARRAY)
*
* @return mixed The value from the source array
*/
public static function getValue(&$array, $name, $default = null, $type = '')
{
$result = null;
if (isset($array[$name]))
{
$result = $array[$name];
}
// Handle the default case
if (is_null($result))
{
$result = $default;
}
// Handle the type constraint
switch (strtoupper($type))
{
case 'INT':
case 'INTEGER':
// Only use the first integer value
@preg_match('/-?[0-9]+/', $result, $matches);
$result = @(int) $matches[0];
break;
case 'FLOAT':
case 'DOUBLE':
// Only use the first floating point value
@preg_match('/-?[0-9]+(\.[0-9]+)?/', $result, $matches);
$result = @(float) $matches[0];
break;
case 'BOOL':
case 'BOOLEAN':
$result = (bool) $result;
break;
case 'ARRAY':
if (!is_array($result))
{
$result = array($result);
}
break;
case 'STRING':
$result = (string) $result;
break;
case 'WORD':
$result = (string) preg_replace('#\W#', '', $result);
break;
case 'NONE':
default:
// No casting necessary
break;
}
return $result;
}
/**
* Takes an associative array of arrays and inverts the array keys to values using the array values as keys.
*
* Example:
* $input = array(
* 'New' => array('1000', '1500', '1750'),
* 'Used' => array('3000', '4000', '5000', '6000')
* );
* $output = FOFUtilsArray::invert($input);
*
* Output would be equal to:
* $output = array(
* '1000' => 'New',
* '1500' => 'New',
* '1750' => 'New',
* '3000' => 'Used',
* '4000' => 'Used',
* '5000' => 'Used',
* '6000' => 'Used'
* );
*
* @param array $array The source array.
*
* @return array The inverted array.
*/
public static function invert($array)
{
$return = array();
foreach ($array as $base => $values)
{
if (!is_array($values))
{
continue;
}
foreach ($values as $key)
{
// If the key isn't scalar then ignore it.
if (is_scalar($key))
{
$return[$key] = $base;
}
}
}
return $return;
}
/**
* Method to determine if an array is an associative array.
*
* @param array $array An array to test.
*
* @return boolean True if the array is an associative array.
*/
public static function isAssociative($array)
{
if (is_array($array))
{
foreach (array_keys($array) as $k => $v)
{
if ($k !== $v)
{
return true;
}