Initial commit

Couldnt keep the history unfortunately.

app/helper.php

@@ -0,0 +1,90 @@
+<?php
+
+/**
+ * Check if array element exists
+ *
+ * @param array $array The array to check for element
+ * @param string $key The element to find
+ *
+ * @return bool True if element eixsts
+ */
+function _exists(array $array = null, string $key = '0'): bool {
+	return isset($array[$key]) && !empty($array[$key]);
+}
+
+/**
+ * Cut off string after the found character
+ *
+ * @param string $string The input string
+ * @param string $fromCharacter The string is cut after this character
+ *
+ * @return string The new cut string
+ */
+function _trim(string $string, string $fromCharacter): string {
+	$position = strpos($string, $fromCharacter);
+	$end = strlen($string);
+	return substr($string, 0, $position !== false ? $position : $end);
+}
+
+/**
+ * Generate a cryptographically secure random string
+ *
+ * @param int $length Length of the string
+ * @param string $keyspace Possible characters the string can have
+ *
+ * @return string The generated string
+ */
+function _randomStr(int $length, string $keyspace =
+	'0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'): string {
+
+	$pieces = [];
+	$max = mb_strlen($keyspace, '8bit') - 1;
+
+	for ($i = 0; $i < $length; $i++) {
+		$pieces[] = $keyspace[random_int(0, $max)];
+	}
+
+	return implode('', $pieces);
+}
+
+/**
+ * Print variable inside of a <pre> and exit
+ *
+ * @param mixed[] $output The variable (single/array) to print
+ *
+ * @return void Nothing
+ */
+function _log($output): void {
+	echo '<pre>';
+	var_dump($output);
+	echo '</pre>';
+	die();
+}
+
+//-------------------------------------//
+
+if (!function_exists('session')) {
+	/**
+	 * Get / set the specified session value.
+	 * If key is an array, treat as a setter.
+	 *
+	 * @param  string|array  $key
+	 * @param  mixed  $default
+	 *
+	 * @return mixed
+	 */
+	function session($key = null, $default = null)
+	{
+		$session = "\App\Classes\Session";
+
+		if (is_null($key)) {
+			return $session;
+		}
+
+		if (is_array($key)) {
+			return $session::put($key);
+		}
+
+		return $session::get($key, $default);
+	}
+}