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<?php
/*
* SiteSEO
* https://siteseo.io/
* (c) SiteSEO Team <support@siteseo.io>
*/

/*
Copyright 2016 - 2024 - Benjamin Denis  (email : contact@seopress.org)
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License, version 2, as
published by the Free Software Foundation.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/

if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly

// Are we being accessed directly ?
if(!defined('SITESEO_VERSION')) {
	exit('Hacking Attempt !');
}

use SiteSEO\Core\Kernel;

/**
 * Get a service.
 *
 * @since 4.3.0
 *
 * @param string $service
 *
 * @return object
 */
function siteseo_get_service($service) {
	return Kernel::getContainer()->getServiceByName($service);
}

/*
 * Get first key of an array if PHP < 7.3
 * @since 4.2.1
 * @return string
 * author Softaculous
 */
function siteseo_array_key_first(array $arr) {
	
	if (function_exists('array_key_first')) {
		return array_key_first($arr);
	}
	
	foreach ($arr as $key => $unused) {
		return $key;
	}

return null;
}

/*
 * Get last key of an array if PHP < 7.3
 * @since 4.2.1
 * @return string
 * author Softaculous
 */
function siteseo_array_key_last(array $arr) {
	if (function_exists('array_key_last')) {
		return array_key_last($arr);
	}

end($arr);
	$key = key($arr);

return $key;
}

/**
 * Get all custom fields (limit: 250).
 *
 * @author Softaculous
 *
 * @return array custom field keys
 */
function siteseo_get_custom_fields() {
	$cf_keys = wp_cache_get('siteseo_get_custom_fields');

if (false === $cf_keys) {
		global $wpdb;

$limit   = (int) apply_filters('postmeta_form_limit', 250);
		$cf_keys = $wpdb->get_col($wpdb->prepare("
			SELECT DISTINCT meta_key
			FROM $wpdb->postmeta
			GROUP BY meta_key
			HAVING meta_key NOT LIKE %s
			ORDER BY meta_key
			LIMIT %d", '\_%%', $limit));

if (is_plugin_active('types/wpcf.php')) {
			$wpcf_fields = get_option('wpcf-fields');

if ( ! empty($wpcf_fields)) {
				foreach ($wpcf_fields as $key => $value) {
					$cf_keys[] = $value['meta_key'];
				}
			}
		}

$cf_keys = apply_filters('siteseo_get_custom_fields', $cf_keys);

if ($cf_keys) {
			natcasesort($cf_keys);
		}
		wp_cache_set('siteseo_get_custom_fields', $cf_keys);
	}

return $cf_keys;
}

/**
 * Check SSL for schema.org.
 *
 * @author Softaculous
 *
 * @return string correct protocol
 */
function siteseo_check_ssl() {
	if (is_ssl()) {
		return 'https://';
	}

return 'http://';
}

/**
 * Get IP address.
 *
 * @author Softaculous
 *
 * @return (string) $ip
 **/
function siteseo_get_ip_address() {
	foreach (['HTTP_CLIENT_IP', 'HTTP_CF_CONNECTING_IP', 'HTTP_VIA', 'HTTP_X_FORWARDED_FOR', 'HTTP_X_FORWARDED', 'HTTP_X_CLUSTER_CLIENT_IP', 'HTTP_FORWARDED_FOR', 'HTTP_FORWARDED', 'REMOTE_ADDR'] as $key) {
		if (true === array_key_exists($key, $_SERVER)) {
			foreach (explode(',', sanitize_text_field(wp_unslash($_SERVER[$key]))) as $ip) {
				$ip = trim($ip); // just to be safe

return apply_filters('siteseo_404_ip', $ip ? $ip : '');
			}
		}
	}
}

/**
 * Disable Query Monitor for CA.
 *
 * @return array
 *
 * author Softaculous
 *
 * @param mixed $url
 * @param mixed $allcaps
 * @param mixed $caps
 * @param mixed $args
 */
function siteseo_disable_qm($allcaps, $caps, $args) {
	$allcaps['view_query_monitor'] = false;

return $allcaps;
}
/**
 * Clear content for CA.
 *
 * author Softaculous
 */
function siteseo_clean_content_analysis() {
	if (current_user_can('edit_posts')) {
		if (isset($_GET['no_admin_bar']) && '1' === $_GET['no_admin_bar']) {
			//Remove admin bar
			add_filter('show_admin_bar', '__return_false');

//Disable Query Monitor
			add_filter('user_has_cap', 'siteseo_disable_qm', 10, 3);

//Disable wptexturize
			add_filter('run_wptexturize', '__return_false');

//Remove Edit nofollow links from TablePress
			add_filter( 'tablepress_edit_link_below_table', '__return_false');

//Oxygen compatibility
			if (function_exists('ct_template_output')) {
				add_action('template_redirect', 'siteseo_get_oxygen_content');
			}

//Allow user to run custom action to clean content
			do_action('siteseo_content_analysis_cleaning');
		}
	}
}
add_action('plugins_loaded', 'siteseo_clean_content_analysis');

/**
 * Test if a URL is in absolute.
 *
 * @return bool true if absolute
 *
 * author Softaculous
 *
 * @param mixed $url
 */
function siteseo_is_absolute($url) {
	$pattern = "%^(?:(?:https?|ftp)://)(?:\S+(?::\S*)?@|\d{1,3}(?:\.\d{1,3}){3}|(?:(?:[a-z\d\x{00a1}-\x{ffff}]+-?)*[a-z\d\x{00a1}-\x{ffff}]+)(?:\.(?:[a-z\d\x{00a1}-\x{ffff}]+-?)*[a-z\d\x{00a1}-\x{ffff}]+)*(?:\.[a-z\x{00a1}-\x{ffff}]{2,6}))(?::\d+)?(?:[^\s]*)?$%iu";

return (bool) preg_match($pattern, $url);
}

/**
 * Manage localized links.
 *
 * @return string locale for documentation links
 *
 * author Softaculous
 */
function siteseo_get_locale() {
	switch (get_user_locale(get_current_user_id())) {
		case 'fr_FR':
		case 'fr_BE':
		case 'fr_CA':
		case 'fr_LU':
		case 'fr_MC':
		case 'fr_CH':
			$locale_link = 'fr';
		break;
		default:
			$locale_link = '';
		break;
	}

return $locale_link;
}

/**
 * Check empty global title template.
 *
 * @since 5.0
 *
 * @param string $type
 * @param string $metadata
 * @param bool   $notice
 *
 * @return string notice with list of empty cpt titles
 *
 * author Softaculous
 */
function siteseo_get_empty_templates($type, $metadata, $notice = true) {
	$cpt_titles_empty = [];
	$templates		= '';
	$data			= '';
	$html			= '';
	$list			= '';

if ('cpt' === $type) {
		$templates   = $postTypes = siteseo_get_service('WordPressData')->getPostTypes();
		$notice_i18n = __('Custom Post Types', 'siteseo');
	}
	if ('tax' === $type) {
		$templates   = siteseo_get_service('WordPressData')->getTaxonomies();
		$notice_i18n = __('Custom Taxonomies', 'siteseo');
	}
	foreach ($templates as $key => $value) {
		$options			= get_option('siteseo_titles_option_name');

if (!empty($options)) {
			if ('cpt' === $type) {
				if (!empty($options['titles_single_titles'])) {
					if (!array_key_exists($key, $options['titles_single_titles'])) {
						$cpt_titles_empty[] = $key;
					} else {
						$data = isset($options['titles_single_titles'][$key][$metadata]) ? $options['titles_single_titles'][$key][$metadata] : '';
					}
				}
			}
			if ('tax' === $type) {
				if (!empty($options['titles_tax_titles'])) {
					if (!array_key_exists($key, $options['titles_tax_titles'])) {
						$cpt_titles_empty[] = $key;
					} else {
						$data = isset($options['titles_tax_titles'][$key][$metadata]) ? $options['titles_tax_titles'][$key][$metadata] : '';
					}
				}
			}
		}

if (empty($data)) {
			$cpt_titles_empty[] = $key;
		}
	}

if ( ! empty($cpt_titles_empty)) {
		$list .= '<ul>';
		foreach ($cpt_titles_empty as $cpt) {
			$list .= '<li>' . esc_html($cpt) . '</li>';
		}
		$list .= '</ul>';

if (false === $notice) {
			return $list;
		} else {
			$html .= '<div class="siteseo-notice is-warning">
			<span class="dashicons dashicons-warning"></span>
			<div>
	<p>';
			/* translators: %s: "Custom Post Types" or "Custom Taxonomies" %s: "title" or "description" */
			$html .= sprintf(__('Some <strong>%s</strong> have no <strong>meta %s</strong> set! We strongly encourage you to add one by filling in the fields below.', 'siteseo'), esc_html($notice_i18n), wp_kses_post($metadata));
			$html .= '</p>';
			$html .= $list;
			$html .= '</div>';
			$html .= '</div>';

return $html;
		}
	}
}

/**
 * Generate Tooltip.
 *
 * @since 3.8.2
 *
 * @param string $tooltip_title, $tooltip_desc, $tooltip_code
 * @param mixed  $tooltip_desc
 * @param mixed  $tooltip_code
 *
 * @return string tooltip title, tooltip description, tooltip url
 *
 * author Softaculous
 */
function siteseo_tooltip($tooltip_title, $tooltip_desc, $tooltip_code) {
	$html =
	'<button type="button" class="siteseo-tooltip"><span class="dashicons dashicons-editor-help"></span>
	<span class="siteseo-tooltiptext" role="tooltip" tabindex="0">
		<span class="siteseo-tooltip-headings">' . $tooltip_title . '</span>
		<span class="siteseo-tooltip-desc">' . $tooltip_desc . '</span>
		<span class="siteseo-tooltip-code">' . $tooltip_code . '</span>
	</span></button>';

return $html;
}

/**
 * Generate Tooltip (alternative version).
 *
 * @since 3.8.6
 *
 * @param string $tooltip_title, $tooltip_desc, $tooltip_code
 * @param mixed  $tooltip_anchor
 * @param mixed  $tooltip_desc
 *
 * @return string tooltip title, tooltip description, tooltip url
 *
 * author Softaculous
 */
function siteseo_tooltip_alt($tooltip_anchor, $tooltip_desc) {
	$html =
	'<button type="button" class="siteseo-tooltip alt">' . $tooltip_anchor . '
	<span class="siteseo-tooltiptext" role="tooltip" tabindex="0">
		<span class="siteseo-tooltip-desc">' . $tooltip_desc . '</span>
	</span>
	</button>';

return $html;
}

/**
 * Generate Tooltip link.
 *
 * @since 5.0
 *
 * @param string $tooltip_title, $tooltip_desc, $tooltip_code
 * @param mixed  $tooltip_anchor
 * @param mixed  $tooltip_desc
 *
 * @return string tooltip title, tooltip description, tooltip url
 *
 * author Softaculous
 */
function siteseo_tooltip_link($tooltip_anchor, $tooltip_desc) {
	$html = '<a href="' . esc_url($tooltip_anchor) . '"
	target="_blank" class="siteseo-doc">
	<span class="dashicons dashicons-editor-help"></span>
	<span class="screen-reader-text">
		' . $tooltip_desc . '
	</span>
</a>';

return $html;
}

/**
 * Remove BOM.
 *
 * @since 3.8.2
 *
 * @param mixed $text
 *
 * @return mixed $text
 *
 * author Softaculous
 */
function siteseo_remove_utf8_bom($text) {
	$bom  = pack('H*', 'EFBBBF');
	$text = preg_replace("/^$bom/", '', $text);

return $text;
}

/**
 * Generate notification (Notifications Center).
 *
 * @since 3.8.2
 *
 * @param array $args
 *
 * @return string HTML notification
 *
 * author Softaculous
 */
function siteseo_notification($args) {
	if ( ! empty($args)) {
		$id			 = isset($args['id']) ? $args['id'] : null;
		$title		  = isset($args['title']) ? $args['title'] : null;
		$desc		   = isset($args['desc']) ? $args['desc'] : null;
		$impact		 = isset($args['impact']) ? $args['impact'] : [];
		$link		   = isset($args['link']) ? $args['link'] : null;
		$deleteable	 = isset($args['deleteable']) ? $args['deleteable'] : null;
		$icon		   = isset($args['icon']) ? $args['icon'] : null;
		$wrap		   = isset($args['wrap']) ? $args['wrap'] : null;

$class = '';
		if ( ! empty($impact)) {
			$class .= ' impact';
			$class .= ' ' . key($impact);
		}

if (true === $deleteable) {
			$class .= ' deleteable';
		}

echo '<div id="' . esc_attr($id) . '-alert" class="siteseo-alert">';

if ( ! empty($impact)) {
			echo '<span class="screen-reader-text">' . wp_kses_post(reset($impact)) . '</span>';
		}

if ( ! empty($icon)) {
			echo '<span class="dashicons ' . esc_attr($icon) . '"></span>';
		} else {
			echo '<span class="dashicons dashicons-info"></span>';
		}

echo '<div><h3>' . wp_kses_post($title) . '</h3>';

if (false === $wrap) {
			echo wp_kses_post($desc);
		} else {
			echo '<p>' . wp_kses_post($desc) . '</p>';
		}
		
		echo '</div>';
		
		$href = '';
		if (function_exists('siteseo_get_locale') && 'fr' == siteseo_get_locale() && isset($link['fr'])) {
			$href = $link['fr'];
		} elseif (isset($link['en'])) {
			$href = $link['en'];
		}

$target = '';
		if (isset($link['external']) && true === $link['external']) {
			$target = '_blank';
		}

if ( ! empty($link) || true === $deleteable) {
			echo '<p class="siteseo-card-actions">';

if ( ! empty($link)) {
				echo '<a class="btn btnSecondary" href="'. esc_url($href).'" target="'.esc_attr($target).'">' . esc_html($link['title']) . '</a>';
			}
			if (true === $deleteable) {
				echo '<button id="' . esc_attr($id) . '" name="notice-title-tag" type="button" class="btn btnTertiary" data-notice="' . esc_attr($id) . '">' . esc_html__('Dismiss', 'siteseo') . '</button>';
			}

echo '</p>';
		}
		echo '</div>';
	}
}
/**
 * Filter the capability to allow other roles to use the plugin.
 *
 * @since 3.8.2
 *
 * @author Softaculous
 *
 * @return string
 *
 * @param mixed $cap
 * @param mixed $context
 */
function siteseo_capability($cap, $context = '') {
	$newcap = apply_filters('siteseo_capability', $cap, $context);
	if ( ! current_user_can($newcap)) {
		return $cap;
	}

return $newcap;
}

/**
 * Check if the page is one of ours.
 *
 * @since 3.8.2
 *
 * @author Softaculous
 *
 * @return bool
 */
function siteseo_is_valid_page() {
	if ( ! is_admin() && ( ! isset($_REQUEST['page']) || ! isset($_REQUEST['post_type']))) {
		return false;
	}

if (isset($_REQUEST['page'])) {
		return 0 === strpos(siteseo_opt_req('page'), 'siteseo');
	} elseif (isset($_REQUEST['post_type'])) {
		if (is_array(siteseo_opt_req('post_type')) && !empty($_REQUEST['post_type'])) {
			return 0 === strpos(siteseo_opt_req('post_type')[0], 'siteseo');
		} else {
			return 0 === strpos(siteseo_opt_req('post_type'), 'siteseo');
		}
	}
}

/**
 * Only add our notices on our pages.
 *
 * @since 3.8.2
 *
 * @author Softaculous
 *
 * @return bool
 */
function siteseo_remove_other_notices() {
	if (siteseo_is_valid_page()) {
		remove_all_actions('network_admin_notices');
		remove_all_actions('admin_notices');
		remove_all_actions('user_admin_notices');
		remove_all_actions('all_admin_notices');
		add_action('admin_notices', 'siteseo_admin_notices');
		if (is_plugin_active('siteseo-pro/siteseo-pro.php')) {
			//add_action('admin_notices', 'siteseo_pro_admin_notices');
		}
	}
}
add_action('in_admin_header', 'siteseo_remove_other_notices', 1000);//keep this value high to remove other notices

/**
 * We replace the WP action by ours.
 *
 * @since 3.8.2
 *
 * @author Softaculous
 *
 * @return bool
 */
function siteseo_admin_notices() {
	do_action('siteseo_admin_notices');
}

/**
 * Return the 7 days in correct order.
 *
 * @since 3.8.2
 *
 * @author Softaculous
 *
 * @return bool
 */
function siteseo_get_days() {
	$start_of_week = (int) get_option('start_of_week');

return array_map(
		function () use ($start_of_week) {
			//static $start_of_week;

return ucfirst(date_i18n('l', strtotime($start_of_week++ - date('w', 0) . ' day', 0)));
		},
		array_combine(
			array_merge(
				array_slice(range(0, 6), $start_of_week, 7),
				array_slice(range(0, 6), 0, $start_of_week)
			),
			range(0, 6)
		)
	);
}

/**
 * Check if a key exists in a multidimensional array.
 *
 * @since 3.8.2
 *
 * @author Softaculous
 *
 * @return bool
 *
 * @param mixed $key
 */
function siteseo_if_key_exists(array $arr, $key) {
	// is in base array?
	if (array_key_exists($key, $arr)) {
		return true;
	}

// check arrays contained in this array
	foreach ($arr as $element) {
		if (is_array($element)) {
			if (siteseo_if_key_exists($element, $key)) {
				return true;
			}
		}
	}

return false;
}

/**
 * Get Oxygen Content for version 4.0
 *
 * @since 5.9.0
 *
 * @author Softaculous
 *
 * @return null
 */
function siteseo_get_oygen_content_v4($data, $content = ""){
	if(!is_array($data)){
		return $content;
	}

if(isset($data['children'])){
		foreach($data['children'] as $child){
			$content = siteseo_get_oygen_content_v4($child, $content);
		}
	}

if(isset($data['options']['ct_content'])){
		$content .= $data['options']['ct_content'];
	}

return $content . " ";

}

/**
 * Get Oxygen Content.
 *
 * @since 3.8.5
 *
 * @author Softaculous
 *
 * @return null
 */
function siteseo_get_oxygen_content() {
	if (is_plugin_active('oxygen/functions.php') && function_exists('ct_template_output')) {
		if (!empty(get_post_meta(get_the_ID(), 'ct_builder_json', true))) {
			$oxygen_content = get_post_meta(get_the_ID(), 'ct_builder_json', true);
			$siteseo_get_the_content = siteseo_get_oygen_content_v4(json_decode($oxygen_content, true));
		} else {
			$siteseo_get_the_content = ct_template_output(true); //shortcodes?
		}

//Get post content
		if ( ! $siteseo_get_the_content) {
			$siteseo_get_the_content = apply_filters('the_content', get_post_field('post_content', get_the_ID()));
			$siteseo_get_the_content = normalize_whitespace(wp_strip_all_tags($siteseo_get_the_content));
		}

if ($siteseo_get_the_content) {
			//Get Target Keywords
			if (get_post_meta(get_the_ID(), '_siteseo_analysis_target_kw', true)) {
				$siteseo_analysis_target_kw = array_filter(explode(',', strtolower(esc_attr(get_post_meta(get_the_ID(), '_siteseo_analysis_target_kw', true)))));

$siteseo_analysis_target_kw = apply_filters( 'siteseo_content_analysis_target_keywords', $siteseo_analysis_target_kw, get_the_ID() );

//Keywords density
				foreach ($siteseo_analysis_target_kw as $kw) {
					if (preg_match_all('#\b(' . $kw . ')\b#iu', $siteseo_get_the_content, $m)) {
						$data['kws_density']['matches'][$kw][] = $m[0];
					}
				}
			}

//Words Counter
			$data['words_counter'] = preg_match_all("/\p{L}[\p{L}\p{Mn}\p{Pd}'\x{2019}]*/u", $siteseo_get_the_content, $matches);

if ( ! empty($matches[0])) {
				$words_counter_unique = count(array_unique($matches[0]));
			} else {
				$words_counter_unique = '0';
			}
			$data['words_counter_unique'] = $words_counter_unique;

//Update analysis
			update_post_meta(get_the_ID(), '_siteseo_analysis_data_oxygen', $data);
		}
	}
}

/**
 * Output submit button.
 *
 * @since 5.0
 *
 * @author Softaculous
 *
 * @param mixed $value
 * @param mixed $classes
 * @param mixed $type
 */
function siteseo_submit_button($value ='', $echo = true, $classes = 'btn btnPrimary', $type = 'submit') {
	if ('' === $value) {
		$value = __('Save changes', 'siteseo');
	}

$html = '<p class="submit"><input id="submit" name="submit" type="' . esc_attr($type) . '" class="' . esc_attr($classes) . '" value="' . esc_attr($value) . '"/></p>';

if($echo == true){
		echo wp_kses($html, [
			'input' => [
				'type' => true,
				'name' => true,
				'value' => true,
				'id' => true,
				'class' => true
			],
			'p' => [
				'class' => true,
			]
		]);
		return;
	}

return $html;

}

/**
 * Generate HTML buttons classes
 *
 * @since 5.0
 *
 * @author Softaculous
 * @return
 */
function siteseo_btn_secondary_classes() {
	//Classic Editor compatibility
	global $pagenow;
	
	$current_screen = null;
	
	if(function_exists('get_current_screen')){
		$current_screen = get_current_screen();
	}
	
	if (!empty($current_screen) && method_exists($current_screen, 'is_block_editor') && true === $current_screen->is_block_editor()) {
		$btn_classes_secondary = 'components-button is-secondary';
	} elseif (isset($pagenow) && ($pagenow === 'term.php' || $pagenow === 'post.php' || $pagenow === 'post-new.php') ) {
		$btn_classes_secondary = 'button button-secondary';
	} else {
		$btn_classes_secondary = 'btn btnSecondary';
	}

return $btn_classes_secondary;
}

/*
 * Global trailingslash option from SEO, Advanced, Advanced tab (useful for backwards compatibility with SiteSEO < 5.9)
 * @since 5.9
 * @return string 1 if true
 * author Softaculous
 */
if ( ! function_exists('siteseo_advanced_advanced_trailingslash_option')) {
	function siteseo_advanced_advanced_trailingslash_option(){
		$options = get_option('siteseo_advanced_option_name');
		if (! empty($options)) {
			if (isset($options['siteseo_advanced_advanced_trailingslash'])) {
				return $options['siteseo_advanced_advanced_trailingslash'];
			}
		}
	}
}

/*
 * Disable Add to cart GA tracking code on archive page / related products for Elementor PRO to avoid a JS conflict
 * @since 5.3
 * @return empty string
 * author Softaculous
 */
include_once( ABSPATH . 'wp-admin/includes/plugin.php' );
if (is_plugin_active('elementor-pro/elementor-pro.php')) {
	add_filter('siteseo_gtag_ec_add_to_cart_archive_ev', 'siteseo_elementor_gtag_ec_add_to_cart_archive_ev');
	function siteseo_elementor_gtag_ec_add_to_cart_archive_ev($js) {
		return '';
	}
}

/**
 * Helper function needed for PHP 8.1 compatibility with "current" function
 * Get mangled object vars
 * @since 6.2.0
 */
function siteseo_maybe_mangled_object_vars($data){
	if(!function_exists('get_mangled_object_vars')){
		return $data;
	}

if(!is_object($data)){
		return $data;
	}

return get_mangled_object_vars($data);

}

function siteseo_check_ajax_referer($action){
	check_ajax_referer($action, sanitize_text_field(wp_unslash($_REQUEST['_ajax_nonce'])), true);
}

function siteseo_opt_get($name){
	return siteseo_opt_req($name);
}

function siteseo_opt_post($name){
	return siteseo_opt_req($name);
}

return sanitize_text_field(wp_unslash($_REQUEST[$name]));
}