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<?php |
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/** |
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* Handles adding "more tools" tab in AO admin settings page which promotes (future) AO |
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* addons and/or affiliate services. |
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*/ |
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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class autoptimizePartners |
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{ |
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public function __construct() |
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{ |
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$this->run(); |
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} |
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public function run() |
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{ |
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if ( $this->enabled() ) { |
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add_filter( 'autoptimize_filter_settingsscreen_tabs', array( $this, 'add_partner_tabs' ), 10, 1 ); |
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} |
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if ( is_multisite() && is_network_admin() && autoptimizeOptionWrapper::is_ao_active_for_network() ) { |
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add_action( 'network_admin_menu', array( $this, 'add_admin_menu' ) ); |
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} else { |
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add_action( 'admin_menu', array( $this, 'add_admin_menu' ) ); |
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} |
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} |
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protected function enabled() |
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{ |
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return apply_filters( 'autoptimize_filter_show_partner_tabs', true ); |
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} |
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public function add_partner_tabs( $in ) |
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{ |
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$in = array_merge( $in, array( |
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'ao_partners' => __( 'Optimize More!', 'autoptimize' ), |
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) ); |
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return $in; |
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} |
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public function add_admin_menu() |
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{ |
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if ( $this->enabled() ) { |
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add_submenu_page( null, 'AO partner', 'AO partner', 'manage_options', 'ao_partners', array( $this, 'ao_partners_page' ) ); |
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} |
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} |
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protected function get_ao_partner_feed_markup() |
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{ |
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$no_feed_text = __( 'Have a look at <a href="http://optimizingmatters.com/">optimizingmatters.com</a> for Autoptimize power-ups!', 'autoptimize' ); |
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$output = ''; |
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if ( apply_filters( 'autoptimize_settingsscreen_remotehttp', true ) ) { |
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$rss = fetch_feed( 'http://feeds.feedburner.com/OptimizingMattersDownloads' ); |
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$maxitems = 0; |
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View Code Duplication |
if ( ! is_wp_error( $rss ) ) { |
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$maxitems = $rss->get_item_quantity( 20 ); |
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$rss_items = $rss->get_items( 0, $maxitems ); |
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} |
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if ( 0 == $maxitems ) { |
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$output .= $no_feed_text; |
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} else { |
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$output .= '<ul>'; |
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foreach ( $rss_items as $item ) { |
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$item_url = esc_url( $item->get_permalink() ); |
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$enclosure = $item->get_enclosure(); |
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$output .= '<li class="itemDetail">'; |
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$output .= '<h3 class="itemTitle"><a href="' . $item_url . '" target="_blank">' . esc_html( $item->get_title() ) . '</a></h3>'; |
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if ( $enclosure && ( false !== strpos( $enclosure->get_type(), 'image' ) ) ) { |
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$img_url = esc_url( $enclosure->get_link() ); |
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$output .= '<div class="itemImage"><a href="' . $item_url . '" target="_blank"><img src="' . $img_url . '"></a></div>'; |
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} |
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$output .= '<div class="itemDescription">' . wp_kses_post( $item->get_description() ) . '</div>'; |
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$output .= '<div class="itemButtonRow"><div class="itemButton button-secondary"><a href="' . $item_url . '" target="_blank">' . __( 'More info', 'autoptimize' ) . '</a></div></div>'; |
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$output .= '</li>'; |
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} |
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$output .= '</ul>'; |
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} |
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} else { |
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$output .= $no_feed_text; |
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} |
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return $output; |
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} |
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public function ao_partners_page() |
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{ |
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?> |
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<style> |
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.itemDetail { |
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background: #fff; |
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width: 250px; |
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min-height: 290px; |
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border: 1px solid #ccc; |
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float: left; |
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padding: 15px; |
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position: relative; |
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margin: 0 10px 10px 0; |
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} |
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.itemTitle { |
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margin-top:0px; |
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margin-bottom:10px; |
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} |
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.itemImage { |
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text-align: center; |
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} |
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.itemImage img { |
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max-width: 95%; |
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max-height: 150px; |
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} |
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.itemDescription { |
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margin-bottom:30px; |
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} |
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.itemButtonRow { |
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position: absolute; |
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bottom: 10px; |
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right: 10px; |
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width:100%; |
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} |
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.itemButton { |
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float:right; |
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} |
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.itemButton a { |
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text-decoration: none; |
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color: #555; |
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} |
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.itemButton a:hover { |
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text-decoration: none; |
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color: #23282d; |
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} |
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</style> |
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<script>document.title = "Autoptimize: <?php _e( 'Optimize More!', 'autoptimize' ); ?> " + document.title;</script> |
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<div class="wrap"> |
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<h1><?php _e( 'Autoptimize Settings', 'autoptimize' ); ?></h1> |
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<?php echo autoptimizeConfig::ao_admin_tabs(); ?> |
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<?php echo '<h2>' . __( "These Autoptimize power-ups and related services will improve your site's performance even more!", 'autoptimize' ) . '</h2>'; ?> |
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<div> |
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<?php echo $this->get_ao_partner_feed_markup(); ?> |
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</div> |
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</div> |
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<?php |
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} |
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} |
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If you define a variable conditionally, it can happen that it is not defined for all execution paths.
Let’s take a look at an example:
In the above example, the variable $x is defined if you pass “foo” or “bar” as argument for $a. However, since the switch statement has no default case statement, if you pass any other value, the variable $x would be undefined.
Available Fixes
Check for existence of the variable explicitly:
Define a default value for the variable:
Add a value for the missing path: