added section class. refactored session for ioc usage. improved controller. added yielding and sections to blade. general blade improvements.

laravel/section.php

@@ -0,0 +1,108 @@
+<?php namespace Laravel;
+
+class Section {
+
+	/**
+	 * All of the captured sections.
+	 *
+	 * @var array
+	 */
+	public static $sections = array();
+
+	/**
+	 * The last section on which injection was started.
+	 *
+	 * @var string
+	 */
+	protected static $last;
+
+	/**
+	 * Start injecting content into a section.
+	 *
+	 * After calling this method, the "stop" method may be used to stop injecting
+	 * content. A raw string may also be passed as the second argument, and will
+	 * cause the given string to be injected into the section directly without
+	 * using output buffering.
+	 *
+	 * <code>
+	 *		// Start injecting into the "header" section
+	 *		Section::start('header');
+	 *
+	 *		// Inject a raw string into the "header" section
+	 *		Section::start('header', '<title>Laravel</title>');
+	 * </code>
+	 *
+	 * @param  string  $section
+	 * @param  string  $content
+	 * @return void
+	 */
+	public static function start($section, $content = '')
+	{
+		if ($content !== '')
+		{
+			ob_start();
+
+			static::$last = $section;
+		}
+
+		static::append($section, $content);
+	}
+
+	/**
+	 * Inject inline content into a section.
+	 *
+	 * This is helpful for injecting simple strings such as page titles.
+	 *
+	 * <code>
+	 *		// Inject inline content into the "header" section
+	 *		Section::inject('header', '<title>Laravel</title>');
+	 * </code>
+	 *
+	 * @param  string  $section
+	 * @param  string  $content
+	 * @return void
+	 */
+	public static function inject($section, $content)
+	{
+		static::start($section, $content);
+	}
+
+	/**
+	 * Stop injecting content into a section.
+	 *
+	 * @return void
+	 */
+	public static function stop()
+	{
+		static::append(static::$last, ob_get_clean());
+	}
+
+	/**
+	 * Append content to a given section.
+	 *
+	 * @param  string  $section
+	 * @param  string  $content
+	 * @return void
+	 */
+	protected static function append($section, $content)
+	{
+		if (isset(static::$sections[$section]))
+		{
+			$content = static::$sections[$section].PHP_EOL.$content;
+		}
+
+		static::$sections[$section] = $content;
+	}
+
+	/**
+	 * Get the string contents of a section.
+	 *
+	 * @param  string  $section
+	 * @return string
+	 */
+	public static function yield($section)
+	{
+		return (isset(static::$sections[$section])) ? static::$sections[$section] : '';
+	}
+
+}