GlobalFunctions.php
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	<?php

	use Waystone\Workspaces\Engines\Workspaces\Workspace;

	use Keruald\OmniTools\HTTP\Requests\Request;

	////////////////////////////////////////////////////////////////////////////////
	/// ///
	/// Misc helper functions ///
	/// ///
	////////////////////////////////////////////////////////////////////////////////

	//Plural management

	/*
	* Gets a "s" if the specified amount requests the plural
	* @param mixed $amount the quantity (should be numeric)
	* @return string 's' if the amount is greater or equal than 2 ; otherwise, ''
	*/
	function s ($amount) {
	if ($amount >= 2 \|\| $amount <= -2 ) return 's';
	}

	/**
	* Gets file extension
	* @param string $file the file to get the extension
	* @return string the file extension
	*/
	function get_extension ($file) {
	$dotPosition = strrpos($file, ".");
	return substr($file, $dotPosition + 1);
	}

	/**
	* Gets file name
	* @param string $file the file to get the extension
	* @return string the file name
	*/
	function get_filename ($file) {
	//TODO: clear directory
	$dotPosition = strrpos($file, ".");
	return substr($file, 0, $dotPosition);
	}

	////////////////////////////////////////////////////////////////////////////////
	/// ///
	/// URL helpers functions ///
	/// ///
	////////////////////////////////////////////////////////////////////////////////

	/*
	* Gets URL
	* @return string URL
	*/
	function get_url () {
	global $Config;
	if (func_num_args() > 0) {
	$pieces = func_get_args();
	return $Config['BaseURL'] . '/' . implode('/', $pieces);
	} elseif ($Config['BaseURL'] == "" \|\| $Config['BaseURL'] == "/index.php") {
	return "/";
	} else {
	return $Config['BaseURL'];
	}
	}

	/*
	* Gets $_SERVER['PATH_INFO'] or computes the equivalent if not defined.
	* @return string the relevant URL part
	*/
	function get_current_url () {
	global $Config;

	//Gets relevant URL part from relevant $_SERVER variables
	if (array_key_exists('PATH_INFO', $_SERVER)) {
	//Without mod_rewrite, and url like /index.php/controller
	//we use PATH_INFO. It's the easiest case.
	return $_SERVER["PATH_INFO"];
	}

	//In other cases, we'll need to get the relevant part of the URL
	$current_url = Request::getServerURL() . $_SERVER['REQUEST_URI'];

	//Relevant URL part starts after the site URL
	$len = strlen($Config['SiteURL']);

	//We need to assert it's the correct site
	if (substr($current_url, 0, $len) != $Config['SiteURL']) {
	dieprint_r(GENERAL_ERROR, "Edit includes/config.php and specify the correct site URL<br /><strong>Current value:</strong> $Config[SiteURL]<br /><strong>Expected value:</strong> a string starting by " . Request::getServerURL(), "Setup");
	}

	if (array_key_exists('REDIRECT_URL', $_SERVER)) {
	//With mod_rewrite, we can use REDIRECT_URL
	//We take the end of the URL, ie FROM $len position
	return substr(Request::getServerURL() . $_SERVER["REDIRECT_URL"], $len);
	}

	//Last possibility: use REQUEST_URI, but remove QUERY_STRING
	//If you need to edit here, use $_SERVER['REQUEST_URI']
	//but you need to discard $_SERVER['QUERY_STRING']

	//We take the end of the URL, ie FROM $len position
	$url = substr(Request::getServerURL() . $_SERVER["REQUEST_URI"], $len);

	//But if there are a query string (?action=... we need to discard it)
	if ($_SERVER['QUERY_STRING']) {
	return substr($url, 0, strlen($url) - strlen($_SERVER['QUERY_STRING']) - 1);
	}

	return $url;
	}

	/*
	* Gets an array of url fragments to be processed by controller
	* @return array an array containing URL fragments
	*/
	function get_current_url_fragments () {
	$url_source = get_current_url();
	if ($url_source == '/index.php') return array();
	return explode('/', substr($url_source, 1));
	}

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