brasofilo/manage-debug-log.php

## manage-debug-log.php
<?php

/**
 * Plugin Name: Manage Debug Log
 * Plugin URI: http://brasofilo.com/manage-debug-log
 * Description: Adds a settings page to view and clear the Debug Log (/wp-content/debug.log)
 * Version: 1.0
 * Author: Rodolfo Buaiz
 * Network: true
 * Author URI: http://wordpress.stackexchange.com/users/12615/brasofilo
 * Licence: GPLv2 or later
 */

!defined( 'ABSPATH' ) AND exit(
  "<pre>Hi there! I'm just part of a plugin, <h1>&iquest;what exactly are you looking for?"
);


add_action(
	'plugins_loaded',
	array( BL_Default_Post_Meta_Boxes::get_instance(), 'plugin_setup' )
);


class BL_Default_Post_Meta_Boxes
{
	protected static $instance = NULL;
	private $no_log_img;
	private $logfile = 'debug.log';
	private $logpath;

	public function __construct() { }

	public static function get_instance()
	{
		NULL === self::$instance and self::$instance = new self;
		return self::$instance;
	}

	public function plugin_setup()
	{
		$this->no_log_img = 'http://f.cl.ly/items/1r1J1j2t2E291h0E0i0n/nothing-here.jpg';
		$this->logpath = WP_CONTENT_DIR . '/' . $this->logfile;

		$hook = is_multisite() ? 'network_' : '';

		add_action( "{$hook}admin_menu", array( $this, 'make_menu' ) );
	}

	public function make_menu()
	{
		$hook = is_multisite() ? 'settings.php' : 'options-general.php';
		add_submenu_page(
			$hook,
			'Debug Log',
			'Debug Log',
			'add_users',
			'debug-log',
			array( $this, 'render_debug' )
		);
	}

	public function render_debug()
	{

		# Security check and clear log
		if (
			isset( $_POST['b5f_debug_log'] )
			&& wp_verify_nonce( $_POST['b5f_debug_log'], plugin_basename( __FILE__ ) )
		)
		{
			unlink( $this->logpath );
		}

		# Read log
		if ( is_readable( $this->logpath ) ) {
			$handle  = fopen ( $this->logpath, 'r' );
			$content = stream_get_contents( $handle );
			fclose( $handle );
		}

		# Prepare content
		$nonce = wp_nonce_field( plugin_basename( __FILE__ ), 'b5f_debug_log', true, false );
		$submit = !empty( $content ) ? '<input type="submit" class="button-secondary" name="submit" value="Delete log" />' : '';
		$content = !empty( $content ) ? '<pre><code>'.print_r($content,true).'</code></pre>' : "<div id='no-cont'>Nothing here, captain!<br /><img src='{$this->no_log_img}' style='margin-top:15px' /></div>";

		# Do it
		echo <<<HTML
			<style>
			.wrap { margin-left: .5em; width: 80%; }
			#no-cont { margin: 1em 0; font-size: 2em; font-weight:bold; color:#009 }
			#no-cont img {max-width: 330px;}
			code { line-height: 2em; }
			footer { margin-top:2em; opacity: .5 }
		</style>
		<div class="wrap">
			<div id="icon-tools" class="icon32"></div>
			<h2>Debug Log</h2>
			<div id="poststuff">
			<form action="" method="post" id="notes_form">
			$nonce
			$submit
			$content
			$submit
			</form>
			<footer>&hearts; <a href="http://brasofilo.com">Rodolfo Buaiz</a> &middot; <a href="https://github.com/brasofilo">Github</a></footer>
			</div>
		</div>
HTML;
	}


}
	<?php

	/**
	* Plugin Name: Manage Debug Log
	* Plugin URI: http://brasofilo.com/manage-debug-log
	* Description: Adds a settings page to view and clear the Debug Log (/wp-content/debug.log)
	* Version: 1.0
	* Author: Rodolfo Buaiz
	* Network: true
	* Author URI: http://wordpress.stackexchange.com/users/12615/brasofilo
	* Licence: GPLv2 or later
	*/

	!defined( 'ABSPATH' ) AND exit(
	"<pre>Hi there! I'm just part of a plugin, <h1>¿what exactly are you looking for?"
	);


	add_action(
	'plugins_loaded',
	array( BL_Default_Post_Meta_Boxes::get_instance(), 'plugin_setup' )
	);


	class BL_Default_Post_Meta_Boxes
	{
	protected static $instance = NULL;
	private $no_log_img;
	private $logfile = 'debug.log';
	private $logpath;

	public function __construct() { }

	public static function get_instance()
	{
	NULL === self::$instance and self::$instance = new self;
	return self::$instance;
	}

	public function plugin_setup()
	{
	$this->no_log_img = 'http://f.cl.ly/items/1r1J1j2t2E291h0E0i0n/nothing-here.jpg';
	$this->logpath = WP_CONTENT_DIR . '/' . $this->logfile;

	$hook = is_multisite() ? 'network_' : '';

	add_action( "{$hook}admin_menu", array( $this, 'make_menu' ) );
	}

	public function make_menu()
	{
	$hook = is_multisite() ? 'settings.php' : 'options-general.php';
	add_submenu_page(
	$hook,
	'Debug Log',
	'Debug Log',
	'add_users',
	'debug-log',
	array( $this, 'render_debug' )
	);
	}

	public function render_debug()
	{

	# Security check and clear log
	if (
	isset( $_POST['b5f_debug_log'] )
	&& wp_verify_nonce( $_POST['b5f_debug_log'], plugin_basename( __FILE__ ) )
	)
	{
	unlink( $this->logpath );
	}

	# Read log
	if ( is_readable( $this->logpath ) ) {
	$handle = fopen ( $this->logpath, 'r' );
	$content = stream_get_contents( $handle );
	fclose( $handle );
	}

	# Prepare content
	$nonce = wp_nonce_field( plugin_basename( __FILE__ ), 'b5f_debug_log', true, false );
	$submit = !empty( $content ) ? '<input type="submit" class="button-secondary" name="submit" value="Delete log" />' : '';
	$content = !empty( $content ) ? '<pre><code>'.print_r($content,true).'</code></pre>' : "<div id='no-cont'>Nothing here, captain!<br /><img src='{$this->no_log_img}' style='margin-top:15px' /></div>";

	# Do it
	echo <<<HTML
	<style>
	.wrap { margin-left: .5em; width: 80%; }
	#no-cont { margin: 1em 0; font-size: 2em; font-weight:bold; color:#009 }
	#no-cont img {max-width: 330px;}
	code { line-height: 2em; }
	footer { margin-top:2em; opacity: .5 }
	</style>
	<div class="wrap">
	<div id="icon-tools" class="icon32"></div>
	<h2>Debug Log</h2>
	<div id="poststuff">
	<form action="" method="post" id="notes_form">
	$nonce
	$submit
	$content
	$submit
	</form>
	<footer>&hearts; <a href="http://brasofilo.com">Rodolfo Buaiz</a> · <a href="https://github.com/brasofilo">Github</a></footer>
	</div>
	</div>
	HTML;
	}


	}