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<?php

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/**

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* WPSEO plugin file.

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* @package WPSEO\Internals

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if ( ! defined( 'WPSEO_VERSION' ) ) {

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header( 'Status: 403 Forbidden' );

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header( 'HTTP/1.1 403 Forbidden' );

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exit();

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}

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/**

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* Initializes the admin bar.

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* @return void

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function wpseo_initialize_admin_bar() {

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$admin_bar_menu = new WPSEO_Admin_Bar_Menu();

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$admin_bar_menu->register_hooks();

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}

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add_action( 'wp_loaded', 'wpseo_initialize_admin_bar' );

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/**

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* Allows editing of the meta fields through weblog editors like Marsedit.

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* @param array $required_capabilities Capabilities that must all be true to allow action.

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* @param array $capabilities Array of capabilities to be checked, unused here.

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* @param array $args List of arguments for the specific capabilities to be checked.

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* @return array Filtered capabilities.

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function allow_custom_field_edits( $required_capabilities, $capabilities, $args ) {

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if ( ! in_array( $args[0], [ 'edit_post_meta', 'add_post_meta' ], true ) ) {

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return $required_capabilities;

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}

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// If this is provided, it is the post ID.

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if ( empty( $args[2] ) ) {

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return $required_capabilities;

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}

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// If this is provided, it is the custom field.

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if ( empty( $args[3] ) ) {

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return $required_capabilities;

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}

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// If the meta key is part of the plugin, grant capabilities accordingly.

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if ( strpos( $args[3], WPSEO_Meta::$meta_prefix ) === 0 && current_user_can( 'edit_post', $args[2] ) ) {

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$required_capabilities[ $args[0] ] = true;

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}

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return $required_capabilities;

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}

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add_filter( 'user_has_cap', 'allow_custom_field_edits', 0, 3 );

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