From 85a282b54bbe35e3723d55a831aa411db4cc19de Mon Sep 17 00:00:00 2001
From: Derek P Sifford <dereksifford@gmail.com>
Date: Tue, 29 Jan 2019 11:30:51 -0500
Subject: [PATCH] php 7.0 compatibility

---
 src/academic-bloggers-toolkit.php | 10 +++++-----
 src/php/editor-legacy.php         | 14 +++++++-------
 src/php/editor.php                |  4 ++--
 src/php/frontend.php              |  6 +++---
 src/php/options.php               |  6 +++---
 src/php/utils.php                 |  6 +++---
 6 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/src/academic-bloggers-toolkit.php b/src/academic-bloggers-toolkit.php
index 312167d0..85264dbc 100644
--- a/src/academic-bloggers-toolkit.php
+++ b/src/academic-bloggers-toolkit.php
@@ -46,7 +46,7 @@
 /**
  * Load plugin translations.
  */
-function textdomain(): void {
+function textdomain() {
 	load_plugin_textdomain( 'academic-bloggers-toolkit', false, basename( ABT_ROOT_PATH ) . '/languages' );
 }
 add_action( 'plugins_loaded', __NAMESPACE__ . '\textdomain' );
@@ -54,7 +54,7 @@ function textdomain(): void {
 /**
  * Cleans up options during uninstall.
  */
-function uninstall(): void {
+function uninstall() {
 	delete_option( ABT_OPTIONS_KEY );
 }
 register_uninstall_hook( __FILE__, __NAMESPACE__ . '\uninstall' );
@@ -64,7 +64,7 @@ function uninstall(): void {
  *
  * @link https://app.quicktype.io?share=E2qRt1Cg3TR6qmHbXDcY
  */
-function refactor_options(): void {
+function refactor_options() {
 	$options = get_option( ABT_OPTIONS_KEY );
 	if ( version_compare( ABT_VERSION, $options['VERSION'] ?? '0', '>' ) ) {
 		// Move custom css to customizer if it exists.
@@ -127,7 +127,7 @@ function add_donate_link( array $links, string $file ): array {
 /**
  * Registers all scripts/styles used by this plugin.
  */
-function register_scripts(): void {
+function register_scripts() {
 	$deps = get_dependencies();
 
 	//
@@ -195,7 +195,7 @@ function register_scripts(): void {
 /**
  * Adds an ajax nonce to pages that require it.
  */
-function ajax_nonce(): void {
+function ajax_nonce() {
 	?>
 	<script type="text/javascript">
 		window._abt_nonce = <?php echo wp_json_encode( wp_create_nonce( 'abt-ajax' ) ); ?>
diff --git a/src/php/editor-legacy.php b/src/php/editor-legacy.php
index abf5bdb5..26cad396 100644
--- a/src/php/editor-legacy.php
+++ b/src/php/editor-legacy.php
@@ -22,7 +22,7 @@
 /**
  * Registers load hooks.
  */
-function register(): void {
+function register() {
 	$has_rich_editing = (bool) get_user_option( 'rich_editing' );
 	if ( class_exists( '\Classic_Editor' ) ) {
 		if ( $has_rich_editing ) {
@@ -41,7 +41,7 @@ function register(): void {
 /**
  * Ensures that classic editor is enabled for existing posts.
  */
-function check_classic_state(): void {
+function check_classic_state() {
 	$post_id          = filter_input( INPUT_GET, 'post', FILTER_VALIDATE_INT );
 	$saved_mode       = get_post_meta( $post_id, 'classic-editor-remember', true );
 	$is_swapping_mode = (
@@ -69,7 +69,7 @@ function check_classic_state(): void {
 /**
  * Ensures that classic editor is enabled for new posts.
  */
-function check_classic_option(): void {
+function check_classic_option() {
 	if ( get_option( 'classic-editor-replace' ) !== 'block' ) {
 		load_post();
 	}
@@ -78,7 +78,7 @@ function check_classic_option(): void {
 /**
  * Registers hooks for classic editor.
  */
-function load_post(): void {
+function load_post() {
 	$post_type           = get_current_screen()->post_type;
 	$disabled_post_types = apply_filters( 'abt_disabled_post_types', [ 'acf', 'um_form' ] );
 	$is_valid_post_type  = ! in_array(
@@ -122,7 +122,7 @@ function( array $plugins ): array {
  *
  * @param string $post_type The post type.
  */
-function add_metaboxes( string $post_type ): void {
+function add_metaboxes( string $post_type ) {
 	add_meta_box(
 		'abt-reflist',
 		__( 'Reference List', 'academic-bloggers-toolkit' ),
@@ -152,7 +152,7 @@ function() {
  *
  * @param int $post_id The post ID.
  */
-function save_meta( int $post_id ): void {
+function save_meta( int $post_id ) {
 	if (
 		! wp_is_post_autosave( $post_id ) &&
 		! wp_is_post_revision( $post_id ) &&
@@ -167,7 +167,7 @@ function save_meta( int $post_id ): void {
 /**
  * Enqueues legacy editor scripts.
  */
-function enqueue_scripts(): void {
+function enqueue_scripts() {
 	global $post;
 
 	require_once __DIR__ . '/i18n.php';
diff --git a/src/php/editor.php b/src/php/editor.php
index e3a64c2a..31eef5de 100644
--- a/src/php/editor.php
+++ b/src/php/editor.php
@@ -21,7 +21,7 @@
 /**
  * Enqueue admin scripts.
  */
-function enqueue_scripts(): void {
+function enqueue_scripts() {
 	global $post;
 	wp_enqueue_style( get_handle( 'editor-blocks', 'style' ) );
 	wp_enqueue_style( get_handle( 'editor-formats', 'style' ) );
@@ -40,7 +40,7 @@ function enqueue_scripts(): void {
 /**
  * Register post meta to store editor state.
  */
-function register_metadata(): void {
+function register_metadata() {
 	register_meta(
 		'post',
 		'_abt_state',
diff --git a/src/php/frontend.php b/src/php/frontend.php
index 0d18ecab..3ffcff7a 100644
--- a/src/php/frontend.php
+++ b/src/php/frontend.php
@@ -21,7 +21,7 @@
  * Injects post author metadata into the <head> of posts so that others using
  * the plugin can easily extract author information.
  */
-function inject_author_meta(): void {
+function inject_author_meta() {
 	global $post;
 	if ( ! $post || ! is_singular() ) {
 		return;
@@ -60,7 +60,7 @@ function( $coauthor ) {
  *
  * @param WP_Post $post The post.
  */
-function collect_bibliography( WP_Post $post ): void {
+function collect_bibliography( WP_Post $post ) {
 	if ( is_singular() && has_block( 'abt/bibliography', $post ) ) {
 		$blocks    = parse_blocks( $post->post_content );
 		$bib_index = array_search( 'abt/bibliography', array_column( $blocks, 'blockName' ), true );
@@ -74,7 +74,7 @@ function collect_bibliography( WP_Post $post ): void {
 /**
  * Enqueues frontend CSS and JS.
  */
-function enqueue_scripts(): void {
+function enqueue_scripts() {
 	global $post;
 	if ( is_singular() ) {
 		$base_handle = has_blocks( $post ) ? 'frontend' : 'frontend-legacy';
diff --git a/src/php/options.php b/src/php/options.php
index 67b4f4a4..73cff2be 100644
--- a/src/php/options.php
+++ b/src/php/options.php
@@ -21,7 +21,7 @@
 /**
  * Registers the plugin options page.
  */
-function register_options_page(): void {
+function register_options_page() {
 	add_options_page(
 		__( "Academic Blogger's Toolkit Options", 'academic-bloggers-toolkit' ),
 		__( "Academic Blogger's Toolkit", 'academic-bloggers-toolkit' ),
@@ -37,7 +37,7 @@ function register_options_page(): void {
  *
  * @param string $hook The hook suffix of the page being loaded.
  */
-function enqueue_scripts( string $hook ): void {
+function enqueue_scripts( string $hook ) {
 	if ( 'settings_page_abt-options' !== $hook ) {
 		return;
 	}
@@ -50,7 +50,7 @@ function enqueue_scripts( string $hook ): void {
 /**
  * Renders the options page.
  */
-function render_options_page(): void {
+function render_options_page() {
 	if ( ! current_user_can( 'manage_options' ) ) {
 		wp_die(
 			esc_html__(
diff --git a/src/php/utils.php b/src/php/utils.php
index 684e1564..5c3e1f17 100644
--- a/src/php/utils.php
+++ b/src/php/utils.php
@@ -16,7 +16,7 @@
  * @param mixed  $data The data to be JSON encoded.
  * @throws \RuntimeException If the provided action is already done and over with.
  */
-function add_json_script( string $id, $data ): void {
+function add_json_script( string $id, $data ) {
 	$prefix = is_admin() ? 'admin_' : 'wp_';
 	$action = $prefix . 'footer';
 	if ( did_action( $action ) ) {
@@ -42,7 +42,7 @@ function () use ( $id, $data ) {
  * @param string $kind    Optional. The notice kind. Accepts 'error', 'info',
  *                        'success', 'warning'. Default 'info'.
  */
-function create_admin_notice( string $message, string $kind = 'info' ): void {
+function create_admin_notice( string $message, string $kind = 'info' ) {
 	if ( is_admin() ) {
 		add_action(
 			'admin_notices',
@@ -140,7 +140,7 @@ function_exists( 'is_gutenberg_page' ) && is_gutenberg_page()
  *
  * @throws \InvalidArgumentException If the relative path refers to a non-existent file.
  */
-function register_script( string $relpath, array $deps = [] ): void {
+function register_script( string $relpath, array $deps = [] ) {
 	$style_suffix  = "/bundle/$relpath.css";
 	$script_suffix = "/bundle/$relpath.js";