<?php
/**
* Functions.
*
* @author Marco Cesarato <[email protected]>
* @license http://opensource.org/licenses/gpl-3.0.html GNU Public License
*
* @see https://github.com/marcocesarato/Database-Web-API
*/
namespace marcocesarato\DatabaseAPI;
use DOMDocument;
use stdClass;
/**
* If an array contain others arrays.
*
* @param $a
*
* @return bool
*/
function is_multi_array($a)
{
foreach ($a as $v) {
if (is_array($v)) {
return true;
}
}
return false;
}
/**
* Convert array to object.
*
* @param $array
*
* @return stdClass
*/
function array_to_object($array)
{
$obj = new stdClass();
foreach ($array as $k => $v) {
if (strlen($k)) {
if (is_array($v)) {
$obj->{$k} = array_to_object($v); //RECURSION
} else {
$obj->{$k} = $v;
}
}
}
return $obj;
}
/**
* Check if site run over https.
*
* @return bool
*/
function is_https()
{
if (isset($_SERVER['HTTP_HOST'])) {
if (((!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off') || $_SERVER['SERVER_PORT'] == 443)
|| !empty($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https' || !empty($_SERVER['HTTP_X_FORWARDED_SSL']) && $_SERVER['HTTP_X_FORWARDED_SSL'] == 'on') {
return true;
}
return false;
}
return false;
}
/**
* Site base url.
*
* @param $url
*
* @return string
*/
function base_url($url)
{
$hostname = $_SERVER['HTTP_HOST'];
if (is_https()) {
$protocol = 'https://';
} else {
$protocol = 'http://';
}
$base = '';
$doc_root = realpath(preg_replace('/' . preg_quote($_SERVER['SCRIPT_NAME'], '/') . '$/', '', $_SERVER['SCRIPT_FILENAME']));
if (realpath(__API_ROOT__) != realpath($_SERVER['DOCUMENT_ROOT'])) {
$base = str_replace(realpath($_SERVER['DOCUMENT_ROOT']), '', __API_ROOT__) . '/';
} elseif (realpath(__API_ROOT__) != $doc_root) {
$base = str_replace($doc_root, '', __API_ROOT__) . '/';
}
$base = str_replace('\\', '/', $base);
return $protocol . preg_replace('#/+#', '/', $hostname . '/' . $base . '/' . $url);
}
/**
* Build site base url.
*
* @param $url
*
* @return string
*/
function build_base_url($url)
{
if (!empty($_GET['db'])) {
$url = '/' . $_GET['db'] . '/' . $url;
}
if (!empty($_GET['token'])) {
$url = '/' . $_GET['token'] . '/' . $url;
}
return base_url($url);
}
/**
* Trim recursive.
*
* @param $input
*
* @return array|string
*/
function trim_all($arr, $charlist = ' ')
{
if (is_string($arr)) {
return trim($arr, $charlist);
} elseif (is_array($arr)) {
foreach ($arr as $key => $value) {
if (is_array($value)) {
$result[$key] = trim_all($value, $charlist);
} else {
$result[$key] = trim($value, $charlist);
}
}
return $result;
} else {
return $arr;
}
}
/**
* Recusively travserses through an array to propegate SimpleXML objects.
*
* @param array $array the array to parse
* @param object $xml the Simple XML object (must be at least a single empty node)
*
* @return object the Simple XML object (with array objects added)
*/
function object_to_xml($array, $xml)
{
//array of keys that will be treated as attributes, not children
$attributes = ['id'];
//recursively loop through each item
foreach ($array as $key => $value) {
//if this is a numbered array,
//grab the parent node to determine the node name
if (is_numeric($key)) {
$key = 'result';
}
//if this is an attribute, treat as an attribute
if (in_array($key, $attributes)) {
$xml->addAttribute($key, $value);
//if this value is an object or array, add a child node and treat recursively
} elseif (is_object($value) || is_array($value)) {
$child = $xml->addChild($key);
$child = $this->object_to_xml($value, $child);
//simple key/value child pair
} else {
$xml->addChild($key, $value);
}
}
return $xml;
}
/**
* Clean up XML domdocument formatting and return as string.
*
* @param $xml
*
* @return string
*/
function tidy_xml($xml)
{
$dom = new DOMDocument();
$dom->preserveWhiteSpace = false;
$dom->formatOutput = true;
$dom->loadXML($xml->asXML());
return $dom->saveXML();
}
/**
* Prevent malicious callbacks from being used in JSONP requests.
*
* @param $callback
*
* @return bool
*/
function jsonp_callback_filter($callback)
{
// As per <http://stackoverflow.com/a/10900911/1082542>.
if (preg_match('/[^0-9a-zA-Z\$_]|^(abstract|boolean|break|byte|case|catch|char|class|const|continue|debugger|default|delete|do|double|else|enum|export|extends|false|final|finally|float|for|function|goto|if|implements|import|in|instanceof|int|interface|long|native|new|null|package|private|protected|public|return|short|static|super|switch|synchronized|this|throw|throws|transient|true|try|typeof|var|volatile|void|while|with|NaN|Infinity|undefined)$/', $callback)) {
return false;
}
return $callback;
}
/**
* Disable php errors.
*/
function disable_php_errors()
{
ini_set('display_errors', 0);
ini_set('display_startup_errors', 0);
error_reporting(0);
}
/**
* Enable php errors.
*/
function enable_php_errors()
{
ini_set('display_errors', 1);
ini_set('display_startup_errors', 1);
error_reporting(E_ALL); // E_ALL
}
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