<?php
/**
 * @package All-in-One-SEO-Pack
 */
/**
 * Load the module manager.
 */
if (!function_exists('aioseop_load_modules')) {
	function aioseop_load_modules() {
		global $aioseop_modules, $aioseop_module_list;
	 	require_once( AIOSEOP_PLUGIN_DIR . 'aioseop_module_manager.php' );
	 	$aioseop_modules = new All_in_One_SEO_Pack_Module_Manager( apply_filters( 'aioseop_module_list', $aioseop_module_list ) );
	 	$aioseop_modules->load_modules();
	}
}

/**
 * Check if we just got activated.
 */
if ( !function_exists( 'aioseop_activate' ) ) {
	function aioseop_activate() {
	  global $aiosp_activation;
	  $aiosp_activation = true;
	  delete_transient( "aioseop_oauth_current" );
	}
}

/**
 * Check if settings need to be updated / migrated from old version.
 */
if ( !function_exists( 'aioseop_update_settings_check' ) ) {
	function aioseop_update_settings_check() {
		global $aioseop_options;
		if ( ( isset( $_POST['aioseop_migrate_options'] ) )  ||
			 ( empty( $aioseop_options ) ) )
			aioseop_mrt_mkarry();

		// WPML has now attached to filters, read settings again so they can be translated
		$aioseop_options = get_option( 'aioseop_options' );
		
		if ( !empty( $aioseop_options['aiosp_archive_noindex'] ) ) { // migrate setting for noindex archives
			$aioseop_options['aiosp_archive_date_noindex'] = $aioseop_options['aiosp_archive_author_noindex'] = $aioseop_options['aiosp_archive_noindex'];
			unset( $aioseop_options['aiosp_archive_noindex'] );
			update_option( 'aioseop_options', $aioseop_options );
		}
	}
}

/**
 * Initialize settings to defaults.
 */
if ( !function_exists( 'aioseop_mrt_mkarry' ) ) {
	function aioseop_mrt_mkarry() {
		global $aiosp;
		global $aioseop_options;
		$naioseop_options = $aiosp->default_options();

		if( get_option( 'aiosp_post_title_format' ) ) {
		foreach( $naioseop_options as $aioseop_opt_name => $value ) {
				if( $aioseop_oldval = get_option( $aioseop_opt_name ) ) {
					$naioseop_options[$aioseop_opt_name] = $aioseop_oldval;
				}
				if( $aioseop_oldval == '' ) {
					$naioseop_options[$aioseop_opt_name] = '';
				}
				delete_option( $aioseop_opt_name );
			}
		}
		add_option( 'aioseop_options', $naioseop_options );
		$aioseop_options = $naioseop_options;
	}
}

if ( !function_exists( 'aioseop_activate_pl' ) ) {
	function aioseop_activate_pl() {
		if( $aioseop_options = get_option( 'aioseop_options' ) ) {
			$aioseop_options['aiosp_enabled'] = "0";

			if( empty( $aioseop_options['aiosp_posttypecolumns'] ) ) {
				$aioseop_options['aiosp_posttypecolumns'] = array('post','page');
			}

			update_option('aioseop_options', $aioseop_options);
		}
	}
}

if ( !function_exists( 'aioseop_get_version' ) ) {
	function aioseop_get_version() {
		return AIOSEOP_VERSION;
	}
}

if ( !function_exists( 'aioseop_option_isset' ) ) {
	function aioseop_option_isset( $option ) {
		global $aioseop_options;
		return ( ( isset( $aioseop_options[$option] ) ) && $aioseop_options[$option] );
	}
}

if ( !function_exists( 'aioseop_addmycolumns' ) ) {
	function aioseop_addmycolumns() {
		global $aioseop_options, $pagenow;
		$aiosp_posttypecolumns = Array();
		if ( !empty( $aioseop_options) && !empty( $aioseop_options['aiosp_posttypecolumns'] ) ) {
			$aiosp_posttypecolumns = $aioseop_options['aiosp_posttypecolumns'];			
		}
		if ( !empty( $pagenow ) && ( $pagenow == 'upload.php' ) )
			$post_type = 'attachment';
		elseif ( !isset( $_GET['post_type'] ) )
			$post_type = 'post';
		else
			$post_type = $_GET['post_type'];
		add_action( 'admin_head', 'aioseop_admin_head' );
		
		if( is_array( $aiosp_posttypecolumns ) && in_array( $post_type, $aiosp_posttypecolumns ) ) {
			if ( $post_type == 'page' )
				add_filter( 'manage_pages_columns', 'aioseop_mrt_pcolumns' );
			elseif ( $post_type == 'attachment' )
				add_filter( 'manage_media_columns', 'aioseop_mrt_pcolumns' );			
			else
				add_filter( 'manage_posts_columns', 'aioseop_mrt_pcolumns' );
			if ( $post_type == 'attachment' )
				add_action( 'manage_media_custom_column', 'aioseop_mrt_pccolumn', 10, 2 );
			elseif ( is_post_type_hierarchical( $post_type ) )
				add_action( 'manage_pages_custom_column', 'aioseop_mrt_pccolumn', 10, 2 );
			else
				add_action( 'manage_posts_custom_column', 'aioseop_mrt_pccolumn', 10, 2 );
		}
	}
}

if ( !function_exists( 'aioseop_mrt_pcolumns' ) ) {
	function aioseop_mrt_pcolumns( $aioseopc ) {
		global $aioseop_options;
	    $aioseopc['seotitle'] = __( 'SEO Title', 'all_in_one_seo_pack' );
	    $aioseopc['seodesc'] = __( 'SEO Description', 'all_in_one_seo_pack' );
	    if ( empty( $aioseop_options['aiosp_togglekeywords'] ) )
			$aioseopc['seokeywords'] = __( 'SEO Keywords', 'all_in_one_seo_pack' );
	    return $aioseopc;
	}	
}

if ( !function_exists( 'aioseop_admin_head' ) ) {
	function aioseop_admin_head() {
		echo '<script type="text/javascript" src="' . AIOSEOP_PLUGIN_URL . 'quickedit_functions.js" ></script>';
		?><style>
		.aioseop_edit_button {
		margin: 0 0 0 5px;
		opacity: 0.6;
		width: 12px;
		}
		.aioseop_mpc_SEO_admin_options_edit img {
			margin: 3px 2px;
			opacity: 0.7;
		}
		.aioseop_mpc_admin_meta_options {
			float: left;
			display: block;
			opacity: 1;
		}
		.aioseop_mpc_admin_meta_content {
			float:left;
			width: 100%;
			margin: 0 0 10px 0;
		}	
		</style>
		<?php wp_print_scripts( Array( 'sack' ) );
		?><script type="text/javascript">
		//<![CDATA[
		var aioseopadmin = {
			blogUrl: "<?php print get_bloginfo( 'url'); ?>", 
			pluginUrl: "<?php print AIOSEOP_PLUGIN_URL; ?>", 
			requestUrl: "<?php print WP_ADMIN_URL . '/admin-ajax.php' ?>", 
			imgUrl: "<?php print AIOSEOP_PLUGIN_IMAGES_URL; ?>",
			Edit: "<?php _e( 'Edit', 'all_in_one_seo_pack'); ?>", Post: "<?php _e( 'Post', 'all_in_one_seo_pack'); ?>", Save: "<?php _e( 'Save', 'all_in_one_seo_pack'); ?>", Cancel: "<?php _e( 'Cancel', 'all_in_one_seo_pack'); ?>", postType: "post", 
			pleaseWait: "<?php _e( 'Please wait...', 'all_in_one_seo_pack'); ?>", slugEmpty: "<?php _e( 'Slug may not be empty!', 'all_in_one_seo_pack'); ?>", 
			Revisions: "<?php _e( 'Revisions', 'all_in_one_seo_pack'); ?>", Time: "<?php _e( 'Insert time', 'all_in_one_seo_pack'); ?>"
		}
		//]]>
		</script>
		<?php
	}
}

if ( !function_exists( 'aioseop_ajax_save_meta' ) ) {
	function aioseop_ajax_save_meta() {
		if ( !empty( $_POST['_inline_edit'] ) && ( $_POST['_inline_edit'] != 'undefined' ) )
			check_ajax_referer( 'inlineeditnonce', '_inline_edit' );
		else
			check_ajax_referer( 'screen-options-nonce', 'screenoptionnonce' );
		$post_id = intval( $_POST['post_id'] );
		$new_meta = $_POST['new_meta'];
		$target = $_POST['target_meta'];
		update_post_meta( $post_id, '_aioseop_' . $target, esc_attr( $new_meta ) );
		$result = get_post_meta( $post_id, '_aioseop_' . $target, true );
		if( $result != '' ): $label = $result;  
		else: $label = ''; $result = '<strong><i>' . __( 'No', 'all_in_one_seo_pack' ) . ' ' . $target . '</i></strong>' ; endif;
		$output = $result . '<a id="' . $target . 'editlink' . $post_id . '" href="javascript:void(0);"'; 
		$output .= 'onclick=\'aioseop_ajax_edit_meta_form(' . $post_id . ', ' . json_encode( $label ) . ', "' . $target . '");return false;\' title="' . __('Edit') . '">';
		$output .= '<img class="aioseop_edit_button" id="aioseop_edit_id" src="' . AIOSEOP_PLUGIN_IMAGES_URL . '/cog_edit.png" /></a>';
		die( "jQuery('div#aioseop_" . $target . "_" . $post_id . "').fadeOut('fast', function() {
			  jQuery('div#aioseop_" . $target . "_" . $post_id . "').html('" . addslashes_gpc($output) . "').fadeIn('fast');
		});" );
	}
}

if ( !function_exists( 'aioseop_ajax_init' ) ) {
	function aioseop_ajax_init() {
		if ( !empty( $_POST ) && !empty( $_POST['settings'] ) && !empty( $_POST['nonce-aioseop']) && !empty( $_POST['options'] ) ) {
			$_POST = stripslashes_deep( $_POST );
			$settings = esc_attr( $_POST['settings'] );
			if ( ! defined( 'AIOSEOP_AJAX_MSG_TMPL' ) )
			    define( 'AIOSEOP_AJAX_MSG_TMPL', "jQuery('div#aiosp_$settings').fadeOut('fast', function(){jQuery('div#aiosp_$settings').html('%s').fadeIn('fast');});" );
			if ( !wp_verify_nonce($_POST['nonce-aioseop'], 'aioseop-nonce') ) die( sprintf( AIOSEOP_AJAX_MSG_TMPL, __( "Unauthorized access; try reloading the page.", 'all_in_one_seo_pack' ) ) );
		} else {
			die(0);
		}
	}
}

if ( !function_exists( 'aioseop_ajax_save_url' ) ) {
	function aioseop_ajax_save_url() {
		aioseop_ajax_init();
		$options = Array();
		parse_str( $_POST['options'], $options );
		foreach( $options as $k => $v ) $_POST[$k] = $v;
		$_POST['action'] = 'aiosp_update_module';
		global $aiosp, $aioseop_module_list, $aioseop_modules;
		aioseop_load_modules( $aioseop_module_list );
		$aiosp->admin_menu();
		$module = $aioseop_modules->return_module( "All_in_One_SEO_Pack_Sitemap" );
		$_POST['location'] = null;
		$_POST['Submit'] = 'ajax';
		$module->add_page_hooks();
		$_POST = $module->get_current_options( $_POST, null );
		$module->handle_settings_updates( null );
		$options = $module->get_current_options( Array(), null );
		$output .= $module->display_custom_options( '', Array( 'name' => 'aiosp_sitemap_addl_pages', 'type' => 'custom', 'save' => true, 'value' => $options['aiosp_sitemap_addl_pages'], 'attr' => '' ) );
		$output = str_replace( "'", "\'", $output );
		$output = str_replace( "\n", '\n', $output );
		die( sprintf( AIOSEOP_AJAX_MSG_TMPL, $output ) );
	}
}

if ( !function_exists( 'aioseop_ajax_delete_url' ) ) {
	function aioseop_ajax_delete_url() {
		aioseop_ajax_init();
		$options = Array();
		$options = esc_attr( $_POST['options'] );
		$_POST['action'] = 'aiosp_update_module';
		global $aiosp, $aioseop_module_list, $aioseop_modules;
		aioseop_load_modules( $aioseop_module_list );
		$aiosp->admin_menu();
		$module = $aioseop_modules->return_module( "All_in_One_SEO_Pack_Sitemap" );
		$_POST['location'] = null;
		$_POST['Submit'] = 'ajax';
		$module->add_page_hooks();
		$_POST = (Array)$module->get_current_options( $_POST, null );
		if ( !empty( $_POST['aiosp_sitemap_addl_pages'] ) && ( is_object( $_POST['aiosp_sitemap_addl_pages'] ) ) )
			$_POST['aiosp_sitemap_addl_pages'] = (Array)$_POST['aiosp_sitemap_addl_pages'];
		if ( !empty( $_POST['aiosp_sitemap_addl_pages'] ) && ( !empty( $_POST['aiosp_sitemap_addl_pages'][ $options ] ) ) ) {
			unset( $_POST['aiosp_sitemap_addl_pages'][ $options ] );
			if ( empty( $_POST['aiosp_sitemap_addl_pages'] ) )
				$_POST['aiosp_sitemap_addl_pages'] = '';
			else
				$_POST['aiosp_sitemap_addl_pages'] = json_encode( $_POST['aiosp_sitemap_addl_pages'] );
			$module->handle_settings_updates( null );
			$options = $module->get_current_options( Array(), null );
			$output = $module->display_custom_options( '', Array( 'name' => 'aiosp_sitemap_addl_pages', 'type' => 'custom', 'save' => true, 'value' => $options['aiosp_sitemap_addl_pages'], 'attr' => '' ) );
			$output = str_replace( "'", "\'", $output );
			$output = str_replace( "\n", '\n', $output );
		} else {
			$output = sprintf( __( "Row %s not found; no rows were deleted.", 'all_in_one_seo_pack' ), esc_attr( $options ) );
		}
		die( sprintf( AIOSEOP_AJAX_MSG_TMPL, $output ) );
	}
}

if ( !function_exists( 'aioseop_ajax_scan_header' ) ) {
	
	function aioseop_ajax_scan_header() {
		$_POST["options"] = "foo";
		aioseop_ajax_init();
		$options = Array();
		parse_str( $_POST['options'], $options );
		foreach( $options as $k => $v ) $_POST[$k] = $v;
		$_POST['action'] = 'aiosp_update_module';
		$_POST['location'] = null;
		$_POST['Submit'] = 'ajax';
		ob_start();
		do_action('wp');
		global $aioseop_modules;
		$module = $aioseop_modules->return_module( "All_in_One_SEO_Pack_Opengraph" );
		if ( !empty( $module ) )
			if ( $module->option_isset( 'disable_jetpack' ) )
				remove_action( 'wp_head', 'jetpack_og_tags' );
		wp_head();
		$output = ob_get_clean();
		global $aiosp;
		$output = $aiosp->html_string_to_array( $output );
		$meta = '';
		$metatags = Array(
				'facebook'	=> Array( 'name' => 'property', 'value' => 'content' ),
				'twitter'	=> Array( 'name' => 'name', 'value' => 'value' ),
				'google+'	=> Array( 'name' => 'itemprop', 'value' => 'content' )
		);
		$metadata = Array(
			'facebook'	=> Array(
					'title'			=> 'og:title',
					'type'			=> 'og:type',
					'url'			=> 'og:url',
					'thumbnail'		=> 'og:image',
					'sitename'		=> 'og:site_name',
					'key'			=> 'fb:admins',
					'description'	=> 'og:description'
				),
			'google+'	=> Array(
					'thumbnail'		=> 'image',
					'title'			=> 'name',
					'description'	=> 'description'
				),
			'twitter'	=> Array(
					'card'			=> 'twitter:card',
					'url'			=> 'twitter:url',
					'title'			=> 'twitter:title',
					'description'	=> 'twitter:description',
					'thumbnail'		=> 'twitter:image'
				)
		);
		if ( !empty( $output ) && !empty( $output['head'] ) && !empty( $output['head']['meta'] ) )
			foreach( $output['head']['meta'] as $v )
				if ( !empty( $v['@attributes'] ) ) {
					$m = $v['@attributes'];
					foreach( $metatags as $type => $tags )
						if ( !empty( $m[$tags['name']] ) && !empty( $m[$tags['value']] ) )
							foreach( $metadata[$type] as $tk => $tv )
								if ( $m[$tags['name']] == $tv )
									$meta .= "<tr><th style='color:red;'>" . sprintf( __( 'Duplicate %s Meta'), ucwords( $type ) ) . "</th><td>" . ucwords( $tk ) . "</td><td>{$m[$tags['name']]}</td><td>{$m[$tags['value']]}</td></tr>\n";
				}
		if ( empty( $meta ) ) $meta = '<span style="color:green;">' . __( 'No duplicate meta tags found.', 'all_in_one_seo_pack' ) . '</span>';
		else {
			$meta = "<table cellspacing=0 cellpadding=0 width=80% class='aioseop_table'><tr class='aioseop_table_header'><th>Meta For Site</th><th>Kind of Meta</th><th>Element Name</th><th>Element Value</th></tr>" . $meta . "</table>";
			$meta .= "<p><div class='aioseop_meta_info'><h3 style='padding:5px;margin-bottom:0px;'>" . __( 'What Does This Mean?', 'all_in_one_seo_pack' ) . "</h3><div style='padding:5px;padding-top:0px;'>"
					. "<p>" . __( 'All in One SEO Pack has detected that a plugin(s) or theme is also outputting social meta tags on your site.  You can view this social meta in the source code of your site (check your browser help for instructions on how to view source code).',  'all_in_one_seo_pack' )
					. "</p><p>" . __( 'You may prefer to use the social meta tags that are being output by the other plugin(s) or theme.  If so, then you should deactivate this Social Meta feature in All in One SEO Pack Feature Manager.',  'all_in_one_seo_pack' )
				 	. "</p><p>" . __( 'You should avoid duplicate social meta tags.  You can use these free tools from Facebook, Google and Twitter to validate your social meta and check for errors:',  'all_in_one_seo_pack' ) . "</p>";
				
			foreach( Array( 'https://developers.facebook.com/tools/debug', 'http://www.google.com/webmasters/tools/richsnippets', 'https://dev.twitter.com/docs/cards/validation/validator' ) as $link ) {
				$meta .= "<a href='{$link}' target='_blank'>{$link}</a><br />";
			}
			$meta .= "<p>" . __( 'Please refer to the document for each tool for help in using these to debug your social meta.',  'all_in_one_seo_pack' ) . "</div></div>";
		}
		$output = $meta;
		$output = str_replace( "'", "\'", $output );
		$output = str_replace( "\n", '\n', $output );
//		$output = str_replace( "<", '&lt;', $output );
//		$output = str_replace( ">", '&gt;', $output );
		die( sprintf( AIOSEOP_AJAX_MSG_TMPL, $output ) );
	}
}

if (!function_exists('aioseop_ajax_save_settings')) {
	function aioseop_ajax_save_settings() {
		aioseop_ajax_init();
		$options = Array();
		parse_str( $_POST['options'], $options );
		$_POST = $options;
		$_POST['action'] = 'aiosp_update_module';
		global $aiosp, $aioseop_module_list, $aioseop_modules;
		aioseop_load_modules( $aioseop_module_list );
		$aiosp->admin_menu();
		$module = $aioseop_modules->return_module( $_POST['module'] );
		unset( $_POST['module'] );
		if ( empty( $_POST['location'] ) ) $_POST['location'] = null;
		$_POST['Submit'] = 'ajax';
		$module->add_page_hooks();
//		$_POST = $module->get_current_options( $_POST, $_POST['location'] );
		$output = $module->handle_settings_updates( $_POST['location'] );
		$output = '<div id="aioseop_settings_header"><div id="message" class="updated fade"><p>' . $output . '</p></div></div><style>body.all-in-one-seo_page_all-in-one-seo-pack-aioseop_feature_manager .aioseop_settings_left { margin-top: 45px !important; }</style>';
		die( sprintf( AIOSEOP_AJAX_MSG_TMPL, $output ) );
	}
}

if (!function_exists('aioseop_ajax_get_menu_links')) {
	function aioseop_ajax_get_menu_links() {
		aioseop_ajax_init();
		$options = Array();
		parse_str( $_POST['options'], $options );
		$_POST = $options;
		$_POST['action'] = 'aiosp_update_module';
		global $aiosp, $aioseop_module_list, $aioseop_modules;
		aioseop_load_modules( $aioseop_module_list );
		$aiosp->admin_menu();
		if ( empty( $_POST['location'] ) ) $_POST['location'] = null;
		$_POST['Submit'] = 'ajax';
//		$module->add_page_hooks();
		
//		include_once( ABSPATH . "/wp-admin/admin.php" );
		
		$modlist = $aioseop_modules->get_loaded_module_list();
		$links = Array();
		$link_list = Array();
		$link = $aiosp->get_admin_links();
		if ( !empty( $link ) )
			foreach( $link as $l )
				if ( !empty( $l ) ) {
					if ( empty( $link_list[$l['order']] ) ) $link_list[$l['order']] = Array();
					$link_list[$l['order']][$l['title']] = $l['href'];							
				}
		if ( !empty( $modlist ) )
			foreach( $modlist as $k => $v ) {
				$mod = $aioseop_modules->return_module( $v );
				if ( is_object( $mod ) ) {
					$mod->add_page_hooks();
					$link = $mod->get_admin_links();
					foreach( $link as $l )
						if ( !empty( $l ) ) {
							if ( empty( $link_list[$l['order']] ) ) $link_list[$l['order']] = Array();
							$link_list[$l['order']][$l['title']] = $l['href'];							
						}
				}
			}
		if ( !empty( $link_list ) ) {
			ksort( $link_list );
			foreach( $link_list as $ll )
				foreach( $ll as $k => $v )
					$links[$k] = $v;
		}
		$output = "<ul>";
		if ( !empty( $links ) )
			foreach( $links as $k => $v ) {
				if ( $k == "Feature Manager" )
					$current = ' class="current"';
				else
					$current = '';
				$output .= "<li{$current}><a href='" . esc_url($v) . "'>" . esc_attr( $k ) . "</a></li>";
			}
		$output .= "</ul>";
		die( sprintf( "jQuery('{$_POST['target']}').fadeOut('fast', function(){jQuery('{$_POST['target']}').html('%s').fadeIn('fast');});", addslashes( $output ) ));
	}
}

if ( !function_exists( 'aioseop_mrt_pccolumn' ) ) {
	function aioseop_mrt_pccolumn($aioseopcn, $aioseoppi) {
		$id = $aioseoppi;
		$target = null;
		if( $aioseopcn == 'seotitle' ) $target = 'title';
		if( $aioseopcn == 'seokeywords' ) $target = 'keywords';
		if( $aioseopcn == 'seodesc' ) $target = 'description';
		if ( !$target ) return;
		if( current_user_can( 'edit_post', $id ) ) { ?>
			<div class="aioseop_mpc_admin_meta_container">
				<div 	class="aioseop_mpc_admin_meta_options" 
						id="aioseop_<?php print $target; ?>_<?php echo $id; ?>" 
						style="float:left;">
					<?php $content = htmlspecialchars( stripslashes( get_post_meta( $id, "_aioseop_" . $target,	TRUE ) ) ); 
				if( !empty($content) ): $label = esc_js( $content );  
				else: $label = ''; $content = '<strong><i>No ' . $target . '</i></strong>' ; endif;
					print $content . '<a id="' . $target . 'editlink' . $id . '" href="javascript:void(0);" onclick=\'aioseop_ajax_edit_meta_form(' .
					$id . ', "' . str_replace( Array( '"', '&quot;' ), Array( '\x22', '\x22' ), esc_js( $label ) ) . '", "' . $target . '");return false;\' title="' . __('Edit') . '">';
						print "<img class='aioseop_edit_button' 
											id='aioseop_edit_id' 
											src='" . AIOSEOP_PLUGIN_IMAGES_URL . "cog_edit.png' /></a>";
					 ?>
				</div>
			</div>
		<?php }
	}	
}

if ( !function_exists( 'aioseop_unprotect_meta' ) ) {
	function aioseop_unprotect_meta( $protected, $meta_key, $meta_type ) {
		if ( isset( $meta_key ) && ( substr( $meta_key, 0, 9 ) === '_aioseop_' ) ) return false;
		return $protected;
	}
}

if ( !function_exists( 'aioseop_mrt_exclude_this_page' ) ) {
	function aioseop_mrt_exclude_this_page( $url = null ) {
		static $excluded = false;
		if ( $excluded === false ) {
			global $aioseop_options;
			$ex_pages = '';
			if ( isset( $aioseop_options['aiosp_ex_pages'] ) )
				$ex_pages = trim( $aioseop_options['aiosp_ex_pages'] );
			if ( !empty( $ex_pages ) ) {
				$excluded = explode( ',', $ex_pages );
				if ( !empty( $excluded ) )
					foreach( $excluded as $k => $v ) {
						$excluded[$k] = trim( $v );
						if ( empty( $excluded[$k] ) ) unset( $excluded[$k] );
					}
				if ( empty( $excluded ) ) $excluded = null;
			}
		}
		if ( !empty( $excluded ) ) {
			if ( $url === null )
				$url = $_SERVER['REQUEST_URI'];
			else {
				$url = parse_url( $url );
				if ( !empty( $url['path'] ) )
					$url = $url['path'];
				else
					return false;
			}
			if ( !empty( $url ) )
				foreach( $excluded as $exedd )
				    if ( ( $exedd ) && ( stripos( $url, $exedd ) !== FALSE ) )
				       return true;
		}
		return false;
	}
}

if ( !function_exists( 'aioseop_get_pages_start' ) ) {
	function aioseop_get_pages_start( $excludes ) {
		global $aioseop_get_pages_start;
		$aioseop_get_pages_start = 1;
		return $excludes;
	}
}

if ( !function_exists( 'aioseop_get_pages' ) ) {
	function aioseop_get_pages( $pages ) {
		global $aioseop_get_pages_start;
		if ( !$aioseop_get_pages_start ) return $pages;
		foreach ( $pages as $k => $v ) {
			$postID = $v->ID;
			$menulabel = stripslashes( get_post_meta( $postID, '_aioseop_menulabel', true ) );
			if ( $menulabel ) $pages[$k]->post_title = $menulabel;
		}
		$aioseop_get_pages_start = 0;
		return $pages;
	}
}

// The following two functions are GPLed from Sarah G's Page Menu Editor, http://wordpress.org/extend/plugins/page-menu-editor/.
if ( !function_exists( 'aioseop_list_pages' ) ) {
	function aioseop_list_pages( $content ) {
		global $wp_version;
		$matches = array();
		if ( preg_match_all( '/<li class="page_item page-item-(\d+)/i', $content, $matches ) ) {
			update_postmeta_cache( array_values( $matches[1] ) );
			unset( $matches );
			if ( $wp_version >= 3.3 ) {
				$pattern = '@<li class="page_item page-item-(\d+)([^\"]*)"><a href=\"([^\"]+)">@is';
			} else {
				$pattern = '@<li class="page_item page-item-(\d+)([^\"]*)"><a href=\"([^\"]+)" title="([^\"]+)">@is';
			}
			return preg_replace_callback( $pattern, "aioseop_filter_callback", $content );
		}
		return $content;
	}
}

if ( !function_exists( 'aioseop_filter_callback' ) ) {
	function aioseop_filter_callback( $matches ) {
		if ( $matches[1] && !empty( $matches[1] ) ) $postID = $matches[1];
		if ( empty( $postID ) ) $postID = get_option( "page_on_front" );
		$title_attrib = stripslashes( get_post_meta($postID, '_aioseop_titleatr', true ) );
		if ( empty( $title_attrib ) && !empty( $matches[4] ) ) $title_attrib = $matches[4];
		if ( !empty( $title_attrib ) ) $title_attrib = ' title="' . strip_tags( $title_attrib ) . '"';
		return '<li class="page_item page-item-'.$postID.$matches[2].'"><a href="'.$matches[3].'"'.$title_attrib.'>';
	}
}

if ( !function_exists( 'aioseop_add_contactmethods' ) ) {
	function aioseop_add_contactmethods( $contactmethods ) {
		global $aioseop_options;
		if ( empty( $aioseop_options['aiosp_google_disable_profile'] ) )
			$contactmethods['googleplus'] = __( 'Google+', 'all_in_one_seo_pack' );
		return $contactmethods;
	}
}

/***
 * JSON support for PHP < 5.2
 */
if ( !function_exists( 'aioseop_load_json_services' ) ) {
	function aioseop_load_json_services() {
		static $services_json = null;
		if ( $services_json ) return $services_json;
		if ( !class_exists( 'Services_JSON' ) ) require_once( 'JSON.php' );
		if ( !$services_json ) $services_json = new Services_JSON();
		return $services_json;
	}
}

if ( !function_exists( 'json_encode' ) ) {
	function json_encode( $arg ) {
		$services_json = aioseop_load_json_services();
		return $services_json->encode( $arg );
	}
}

if ( !function_exists( 'json_decode' ) ) {
	function json_decode( $arg ) {
		$services_json = aioseop_load_json_services();
		return $services_json->decode( $arg );
	}
}

/***
 * fnmatch() doesn't exist on Windows pre PHP 5.3
 */
if( !function_exists( 'fnmatch' ) ) {
    function fnmatch( $pattern, $string ) {
        return preg_match( "#^" . strtr( preg_quote( $pattern, '#' ), array( '\*' => '.*', '\?' => '.' ) ) . "$#i", $string );
    }
}