<?php
/**
 * PHP 4.2.x Compatibility functions
 */

// no direct access
defined( '_VALID_MOS' ) or die( 'Restricted access' );

/**
 * Replace file_get_contents()
 *
 * @category	PHP
 * @package	 PHP_Compat
 * @link		http://php.net/function.file_get_contents
 * @author	  Aidan Lister <aidan@php.net>
 * @version	 $Revision: 51 $
 * @internal	resource_context is not supported
 * @since		PHP 5
 * @require	 PHP 4.0.1 (trigger_error)
 */
if (!function_exists('file_get_contents')) {
	function file_get_contents($filename, $incpath = false, $resource_context = null)
	{
		if (false === $fh = fopen($filename, 'rb', $incpath)) {
			trigger_error('file_get_contents() failed to open stream: No such file or directory', E_USER_WARNING);
			return false;
		}

		clearstatcache();
		if ($fsize = @filesize($filename)) {
			$data = fread($fh, $fsize);
		} else {
			$data = '';
			while (!feof($fh)) {
				$data .= fread($fh, 8192);
			}
		}

		fclose($fh);
		return $data;
	}
}
if (!defined('FILE_USE_INCLUDE_PATH')) {
	define('FILE_USE_INCLUDE_PATH', 1);
}

if (!defined('FILE_APPEND')) {
	define('FILE_APPEND', 8);
}


/**
 * Replace file_put_contents()
 *
 * @category	PHP
 * @package	 PHP_Compat
 * @link		http://php.net/function.file_put_contents
 * @author	  Aidan Lister <aidan@php.net>
 * @version	 $Revision: 51 $
 * @internal	resource_context is not supported
 * @since		PHP 5
 * @require	 PHP 4.0.1 (trigger_error)
 */
if (!function_exists('file_put_contents')) {
	function file_put_contents($filename, $content, $flags = null, $resource_context = null)
	{
		// If $content is an array, convert it to a string
		if (is_array($content)) {
			$content = implode('', $content);
		}

		// If we don't have a string, throw an error
		if (!is_scalar($content)) {
			trigger_error('file_put_contents() The 2nd parameter should be either a string or an array', E_USER_WARNING);
			return false;
		}

		// Get the length of date to write
		$length = strlen($content);

		// Check what mode we are using
		$mode = ($flags & FILE_APPEND) ?
					$mode = 'a' :
					$mode = 'w';

		// Check if we're using the include path
		$use_inc_path = ($flags & FILE_USE_INCLUDE_PATH) ?
					true :
					false;

		// Open the file for writing
		if (($fh = @fopen($filename, $mode, $use_inc_path)) === false) {
			trigger_error('file_put_contents() failed to open stream: Permission denied', E_USER_WARNING);
			return false;
		}

		// Write to the file
		$bytes = 0;
		if (($bytes = @fwrite($fh, $content)) === false) {
			$errormsg = sprintf('file_put_contents() Failed to write %d bytes to %s',
							$length,
							$filename);
			trigger_error($errormsg, E_USER_WARNING);
			return false;
		}

		// Close the handle
		@fclose($fh);

		// Check all the data was written
		if ($bytes != $length) {
			$errormsg = sprintf('file_put_contents() Only %d of %d bytes written, possibly out of free disk space.',
							$bytes,
							$length);
			trigger_error($errormsg, E_USER_WARNING);
			return false;
		}

		// Return length
		return $bytes;
	}
}
/**
 * Add functionanlity of html_entity_decode() to PHP under 4.3
 *
 * @category	PHP
 * @package	 PHP_Compat
 * @link		http://php.net/function.html_entity_decode
 * @since		PHP 4.3
 * @require	 PHP 4.0.1 
 */
if (!function_exists('html_entity_decode')) {
	function html_entity_decode($string)
	{
   		// Replace numeric
   		$string = preg_replace('~&#x([0-9a-f]+);~ei', 'chr(hexdec("\\1"))', $string);
   		$string = preg_replace('~&#([0-9]+);~e', 'chr(\\1)', $string);
   		
   		$trans_tbl = get_html_translation_table(HTML_ENTITIES);
   		$trans_tbl = array_flip($trans_tbl);
   		return strtr($string, $trans_tbl);
	}
}
?>