e23c141009
Implements weeks 1–4 of the CMO brand identity sprint. Key changes: - CSS token system (assets/css/brand.css): full palette, verdict tokens, component styles - Poppins/Inter/IBM Plex Mono Google Fonts loading with preload - Full favicon/PWA/OG asset pack (peptide-repo-brand v1.0.0) - 5-state verdict badge + card + evidence row components - verdict_state + signal_row post meta on pr_peptide CPT - Homepage hero: teal bg, new H1/subhead, lime search bar - Archive verdict filter chips (CSS + pre_get_posts query hook) - Affiliate disclosure component (3 contexts) - page-how-we-review.php + page-about.php templates - Footer Our Method links - a11y: skip-to-content, reduced-motion, aria on verdict badges QA: PASS (0 blockers) — qa-reviews/peptide-starter-theme/2026-04-26-a2bff59.md Staging verified: https://staging.peptiderepo.com
312 lines
10 KiB
PHP
312 lines
10 KiB
PHP
<?php
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/**
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* Theme Helper Functions
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*
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* Customizer output helpers, nav walker, custom logo, pagination, menu
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* fallback, auth gates, and assorted utilities shared across the theme.
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*
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* @see functions.php — includes this file
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* @see header.php — uses peptide_starter_the_custom_logo() + menu fallback
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* @see page-subject-log.php, page-tracker.php, page-protocol-builder.php —
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* use peptide_starter_require_login()
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*
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* What: Utility functions for template output, theme mods, auth gating.
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* Who calls it: Templates and handler files.
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* Dependencies: WordPress Customizer API, Walker_Nav_Menu, email-verification.
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*
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* @package peptide-starter
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*/
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// Exit if accessed directly.
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if ( ! defined( 'ABSPATH' ) ) {
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exit;
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}
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/**
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* Navigation Menu Walker — adds active classes.
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*
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* What: Renders menu items with an 'active' class for current + ancestor.
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* Who calls it: wp_nav_menu() in header.php with walker => new instance.
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* Dependencies: Walker_Nav_Menu.
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*/
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class Peptide_Starter_Nav_Walker extends Walker_Nav_Menu {
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/**
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* Render a single menu item.
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*
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* @param string $output Item output accumulator.
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* @param WP_Post $item Menu item data.
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* @param int $depth Menu depth.
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* @param stdClass $args Menu arguments.
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* @param int $id Current item ID.
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* @return void
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*/
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public function start_el( &$output, $item, $depth = 0, $args = null, $id = 0 ) {
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$indent = ( $depth ) ? str_repeat( "\t", $depth ) : '';
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$classes = empty( $item->classes ) ? array() : (array) $item->classes;
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$classes[] = 'menu-item-' . $item->ID;
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if ( in_array( 'current-menu-item', $classes, true ) || in_array( 'current-menu-parent', $classes, true ) ) {
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$classes[] = 'active';
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}
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$args = apply_filters( 'nav_menu_item_args', $args, $item, $depth );
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$class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item, $args, $depth ) );
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$class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : '';
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$item_id = apply_filters( 'nav_menu_item_id', 'menu-item-' . $item->ID, $item, $args, $depth );
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$item_id = $item_id ? ' id="' . esc_attr( $item_id ) . '"' : '';
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$output .= $indent . '<li' . $item_id . $class_names . '>';
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$atts = array(
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'title' => ! empty( $item->attr_title ) ? $item->attr_title : '',
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'target' => ! empty( $item->target ) ? $item->target : '',
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'rel' => ! empty( $item->xfn ) ? $item->xfn : '',
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'href' => ! empty( $item->url ) ? $item->url : '',
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);
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$atts = apply_filters( 'nav_menu_link_attributes', $atts, $item, $args, $depth );
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$attributes = '';
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foreach ( $atts as $attr => $value ) {
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if ( ! empty( $value ) ) {
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$value = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value );
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$attributes .= ' ' . $attr . '="' . $value . '"';
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}
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}
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$title = apply_filters( 'the_title', $item->title, $item->ID );
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$link = $args->before;
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$link .= '<a' . $attributes . '>';
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$link .= $args->link_before . $title . $args->link_after;
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$link .= '</a>';
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$link .= $args->after;
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$output .= $link . "</li>\n";
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}
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}
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/**
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* Fallback menu when no primary nav is assigned in WP admin.
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*
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* Previously lived inline inside header.php; moved here in v1.5.1 to
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* prevent redeclaration if header.php is ever included twice.
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*
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* @return void Echoes a complete <ul>.
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*/
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function peptide_starter_primary_menu_fallback() {
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?>
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<ul>
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<li><a href="<?php echo esc_url( home_url( '/' ) ); ?>"><?php esc_html_e( 'Home', 'peptide-starter' ); ?></a></li>
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<li class="menu-item-has-children">
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<a href="#"><?php esc_html_e( 'Tools', 'peptide-starter' ); ?></a>
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<ul class="sub-menu">
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<li><a href="<?php echo esc_url( home_url( '/calculator' ) ); ?>"><?php esc_html_e( 'Calculator', 'peptide-starter' ); ?></a></li>
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<li><a href="<?php echo esc_url( home_url( '/protocol-builder' ) ); ?>"><?php esc_html_e( 'Protocol Builder', 'peptide-starter' ); ?></a></li>
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<li><a href="<?php echo esc_url( home_url( '/tracker' ) ); ?>"><?php esc_html_e( 'Tracker', 'peptide-starter' ); ?></a></li>
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</ul>
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</li>
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<li class="menu-item-has-children">
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<a href="#"><?php esc_html_e( 'My Data', 'peptide-starter' ); ?></a>
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<ul class="sub-menu">
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<li><a href="<?php echo esc_url( home_url( '/peptides' ) ); ?>"><?php esc_html_e( 'Peptides', 'peptide-starter' ); ?></a></li>
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<li><a href="<?php echo esc_url( home_url( '/subject-log' ) ); ?>"><?php esc_html_e( 'Subject Log', 'peptide-starter' ); ?></a></li>
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</ul>
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</li>
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<li class="menu-item-has-children">
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<a href="#"><?php esc_html_e( 'Resources', 'peptide-starter' ); ?></a>
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<ul class="sub-menu">
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<li><a href="<?php echo esc_url( home_url( '/documentation' ) ); ?>"><?php esc_html_e( 'Documentation', 'peptide-starter' ); ?></a></li>
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<li><a href="<?php echo esc_url( home_url( '/news' ) ); ?>"><?php esc_html_e( 'Science Feed', 'peptide-starter' ); ?></a></li>
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</ul>
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</li>
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</ul>
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<?php
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}
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/**
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* Display custom logo with fallback to site name link.
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*
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* @return void
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*/
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function peptide_starter_the_custom_logo() {
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if ( function_exists( 'the_custom_logo' ) && has_custom_logo() ) {
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the_custom_logo();
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return;
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}
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// Use SVG logo if available
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$logo_path = get_template_directory() . '/assets/brand/logo-horizontal.svg';
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if ( file_exists( $logo_path ) ) {
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echo '<a class="site-logo" href="' . esc_url( home_url( '/' ) ) . '" rel="home" aria-label="' . esc_attr( get_bloginfo( 'name' ) ) . '">';
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include $logo_path;
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echo '</a>';
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return;
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}
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// Fallback to text
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$site_name = get_bloginfo( 'name' );
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echo '<a class="site-logo" href="' . esc_url( home_url( '/' ) ) . '" rel="home">' . esc_html( $site_name ) . '</a>';
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}
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/**
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* Get hero title from Customizer.
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*
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* @return string Hero title text.
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*/
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function peptide_starter_get_hero_title() {
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return get_theme_mod( 'hero_title', get_bloginfo( 'name' ) );
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}
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/**
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* Get hero subtitle from Customizer.
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*
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* @return string Hero subtitle text.
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*/
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function peptide_starter_get_hero_subtitle() {
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return get_theme_mod( 'hero_subtitle', esc_html__( 'A scientific peptide reference database', 'peptide-starter' ) );
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}
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/**
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* Get search placeholder from Customizer.
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*
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* @return string Search placeholder text.
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*/
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function peptide_starter_get_search_placeholder() {
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return get_theme_mod( 'hero_search_placeholder', esc_html__( 'Search peptides, sequences, or research...', 'peptide-starter' ) );
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}
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/**
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* Get footer copyright text from Customizer.
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*
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* @return string Copyright text (may contain safe HTML).
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*/
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function peptide_starter_get_footer_copyright() {
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return get_theme_mod( 'footer_copyright', esc_html__( 'Copyright © 2026 Peptide Repo. All rights reserved.', 'peptide-starter' ) );
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}
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/**
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* Whether to render the newsletter signup section. Filterable.
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*
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* @return bool
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*/
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function peptide_starter_show_newsletter_form() {
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return apply_filters( 'peptide_starter_show_newsletter', true );
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}
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/**
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* Render pagination for archive pages.
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*
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* @return void
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*/
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function peptide_starter_pagination() {
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global $wp_query;
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if ( $wp_query->max_num_pages <= 1 ) {
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return;
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}
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$current = max( 1, get_query_var( 'paged' ) );
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$total = $wp_query->max_num_pages;
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echo '<nav class="ps-pagination">';
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// phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- paginate_links returns safe HTML.
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echo paginate_links(
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array(
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'base' => get_pagenum_link( 1 ) . '%_%',
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'format' => 'page/%#%/',
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'current' => $current,
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'total' => $total,
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'prev_text' => esc_html__( '← Previous', 'peptide-starter' ),
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'next_text' => esc_html__( 'Next →', 'peptide-starter' ),
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'type' => 'plain',
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)
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);
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echo '</nav>';
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}
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/**
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* Whether a plugin is active by its main file path.
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*
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* @param string $plugin Plugin file path relative to plugins/.
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* @return bool
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*/
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function peptide_starter_is_plugin_active( $plugin ) {
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return in_array( $plugin, (array) get_option( 'active_plugins', array() ), true );
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}
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/**
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* Safe wp_get_referer fallback — never returns empty.
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*
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* @return string Referer or home_url('/').
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*/
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function peptide_starter_safe_referer() {
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$ref = wp_get_referer();
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return $ref ? $ref : home_url( '/' );
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}
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/**
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* Gate a template behind login + verified email.
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*
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* Unauthenticated → redirect to /auth?redirect_to=current-uri.
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* Logged in but unverified → redirect to /profile?verify_required=1.
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*
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* Side effects: emits 302 and exits the request.
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*
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* @param string|null $redirect_to Optional override for post-login target.
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* @return void
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*/
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function peptide_starter_require_login( $redirect_to = null ) {
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if ( ! is_user_logged_in() ) {
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$target = $redirect_to ? $redirect_to : ( isset( $_SERVER['REQUEST_URI'] ) ? esc_url_raw( wp_unslash( $_SERVER['REQUEST_URI'] ) ) : '/' );
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wp_safe_redirect( home_url( '/auth?redirect_to=' . rawurlencode( $target ) ) );
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exit;
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}
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if ( function_exists( 'peptide_starter_user_is_verified' ) && ! peptide_starter_user_is_verified( get_current_user_id() ) ) {
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wp_safe_redirect( home_url( '/profile?verify_required=1' ) );
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exit;
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}
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}
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/**
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* Render a honeypot input block for a given form.
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*
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* Pair with peptide_starter_honeypot_triggered() in the handler.
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*
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* @param string $form_name Short slug embedded in the field name.
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* @return void Echoes HTML.
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*/
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function peptide_starter_render_honeypot( $form_name ) {
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$field = 'ps_hp_' . preg_replace( '/[^a-z0-9_]/', '', $form_name );
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?>
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<div class="ps-hp-wrap" aria-hidden="true">
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<label>
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<?php esc_html_e( 'Leave this field empty', 'peptide-starter' ); ?>
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<input type="text" name="<?php echo esc_attr( $field ); ?>" tabindex="-1" autocomplete="off" value="">
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</label>
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</div>
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<?php
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}
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/**
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* CSV-injection-safe value for fputcsv output.
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*
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* Prefixes dangerous leading characters (=, +, -, @, tab, CR) with a
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* single quote so Excel/Sheets won't interpret the cell as a formula.
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*
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* @param string $value Raw cell value.
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* @return string Safe cell value.
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*/
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function peptide_starter_csv_safe( $value ) {
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$value = (string) $value;
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if ( '' === $value ) {
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return $value;
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}
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$dangerous = array( '=', '+', '-', '@', "\t", "\r" );
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if ( in_array( $value[0], $dangerous, true ) ) {
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return "'" . $value;
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}
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return $value;
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}
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