114 lines
3.0 KiB
PHP
114 lines
3.0 KiB
PHP
<?php
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/*
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* This file is part of the "wordpress-early-hook" package.
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*
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* Copyright (C) Giuseppe Mazzapica and contributors.
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* See LICENSE file.
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*/
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declare(strict_types=1);
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namespace WeCodeMore\WpEarlyHook
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{
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if (defined(__NAMESPACE__ . '\\EARLY_HOOK_VERSION')) {
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return;
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}
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const EARLY_HOOK_VERSION = '1.1.0';
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/**
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* @param string $type
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* @param string $hook
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* @param callable $callback
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* @param int $priority
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* @param int $acceptedArgs
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* @return bool
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*
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* @internal
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*/
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function earlyAddHook(
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string $type,
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string $hook,
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callable $callback,
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int $priority,
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int $acceptedArgs
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): bool {
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/** @var array<string, bool> $exists */
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static $exists = [];
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$isFilter = ($type === 'filter');
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$isFilter or $type = 'action';
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$wpFuncExists = $exists[$type] ?? null;
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if ($wpFuncExists === null) {
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$wpFuncExists = function_exists($isFilter ? 'add_filter' : 'add_action');
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$wpFuncExists and $exists[$type] = true;
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}
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if ($wpFuncExists || defined('ABSPATH')) {
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if (!$wpFuncExists) {
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require_once ABSPATH . 'wp-includes/plugin.php';
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}
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return $isFilter
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? add_filter($hook, $callback, $priority, $acceptedArgs)
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: add_action($hook, $callback, $priority, $acceptedArgs);
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}
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/**
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* If here, this function is called very early, probably _too_ early,
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* before ABSPATH is defined.
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* Only option we have is to "manually" write in global `$wp_filter` array.
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*/
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global $wp_filter;
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is_array($wp_filter) or $wp_filter = [];
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is_array($wp_filter[$hook] ?? null) or $wp_filter[$hook] = [];
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/** @psalm-suppress MixedArrayAssignment */
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is_array($wp_filter[$hook][$priority] ?? null) or $wp_filter[$hook][$priority] = [];
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/** @psalm-suppress MixedArrayAssignment */
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$wp_filter[$hook][$priority][] = [
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'function' => $callback,
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'accepted_args' => $acceptedArgs,
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];
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return true;
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}
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}
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namespace WeCodeMore {
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/**
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* @param string $hook
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* @param callable $callback
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* @param int $priority
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* @param int $acceptedArgs
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* @return bool
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*/
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function earlyAddFilter(
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string $hook,
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callable $callback,
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int $priority = 10,
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int $acceptedArgs = 1
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): bool {
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return WpEarlyHook\earlyAddHook('filter', $hook, $callback, $priority, $acceptedArgs);
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}
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/**
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* @param string $hook
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* @param callable $callback
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* @param int $priority
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* @param int $acceptedArgs
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* @return bool
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*/
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function earlyAddAction(
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string $hook,
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callable $callback,
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int $priority = 10,
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int $acceptedArgs = 1
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): bool {
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return WpEarlyHook\earlyAddHook('action', $hook, $callback, $priority, $acceptedArgs);
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}
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}
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