Releasing 1.1.21

Author: technicalguru

src/TgUtils/DateRange.php

@@ -0,0 +1,59 @@
+<?
+
+namespace TgUtils;
+
+class DateRange {
+
+	protected $from;
+	protected $until;
+
+	public function __construct($from = NULL, $until = NULL) {
+		$this->from  = $from;
+		$this->until = $until;
+	}
+
+	public function setFrom($value) {
+		$this->from = $value;
+		$this->checkRange();
+		return $this;
+	}
+
+	public function getFrom() {
+		return $this->from;
+	}
+
+	public function setUntil($value) {
+		$this->until = $value;
+		$this->checkRange();
+		return $this;
+	}
+
+	public function getUntil() {
+		return $this->until;
+	}
+
+	public function set($from, $until) {
+		$this->from  = $from;
+		$this->until = $until;
+		$this->checkRange();
+		return $this;
+	}
+
+	protected function checkRange() {
+		if (($this->from != NULL) && ($this->until != NULL)) {
+			if ($this->from->toUnix() > $this->until->toUnix()) {
+				$foo = $this->until;
+				$this->until = $this->from;
+				$this->from  = $foo;
+			}
+		}
+	}
+
+	public function __toString() {
+		$rc  = ($this->from  != NULL) ? $this->from->toMySql(TRUE)  : 'N/A';
+		$rc .= ' - ';
+		$rc .= ($this->until != NULL) ? $this->until->toMySql(TRUE) : 'N/A';
+		return $rc;
+	}
+}
+

src/TgUtils/Stack.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace TgUtils;
+
+class Stack {
+
+	protected $stack;
+
+	public function __construct(...$values) {
+		$this->stack = array();
+		foreach ($values AS $value) {
+			$this->push($value);
+		}
+	}
+
+	public function isEmpty() {
+		return count($this->stack) == 0;
+	}
+
+	public function size() { 
+		 return count($this->stack);
+	}
+
+	public function push($value) {
+		if ($value != NULL) array_push($this->stack, $value);
+		else throw new \Exception('Cannot push NULL element to stack');
+	}
+
+	public function pop() {
+		if (!$this->isEmpty()) {
+			return array_pop($this->stack);
+		}
+		return NULL;
+	}
+
+	public function peek() {
+		if (!$this->isEmpty()) {
+			return $this->stack[count($this->stack)-1];
+		}
+		return NULL;
+	}
+
+	/** Returns the stack elements with top element first */
+	public function elements($reverse = FALSE) {
+		return $reverse ? $this->stack : array_reverse($this->stack);
+	}
+
+}
+