Adds WP AI Client

phpcs.xml.dist

@@ -73,6 +73,7 @@
 	<exclude-pattern>/src/wp-includes/js/*</exclude-pattern>
 	<exclude-pattern>/src/wp-includes/PHPMailer/*</exclude-pattern>
 	<exclude-pattern>/src/wp-includes/Requests/*</exclude-pattern>
+	<exclude-pattern>/src/wp-includes/php-ai-client/*</exclude-pattern>
 	<exclude-pattern>/src/wp-includes/SimplePie/*</exclude-pattern>
 	<exclude-pattern>/src/wp-includes/sodium_compat/*</exclude-pattern>
 	<exclude-pattern>/src/wp-includes/Text/*</exclude-pattern>

phpunit.xml.dist

@@ -47,6 +47,7 @@
 				<directory suffix=".php">src/wp-includes/IXR</directory>
 				<directory suffix=".php">src/wp-includes/PHPMailer</directory>
 				<directory suffix=".php">src/wp-includes/Requests</directory>
+				<directory suffix=".php">src/wp-includes/php-ai-client</directory>
 				<directory suffix=".php">src/wp-includes/SimplePie</directory>
 				<directory suffix=".php">src/wp-includes/sodium_compat</directory>
 				<directory suffix=".php">src/wp-includes/Text</directory>

src/wp-includes/php-ai-client/autoload.php

@@ -0,0 +1,68 @@
+<?php
+/**
+ * Autoloader for the bundled PHP AI Client library.
+ *
+ * This file is generated by tools/php-ai-client/installer.sh.
+ * Do not edit directly.
+ *
+ * @package WordPress
+ * @subpackage AI
+ * @since 7.0.0
+ */
+
+// Load polyfills (each function is guarded by function_exists).
+require_once __DIR__ . '/src/polyfills.php';
+
+spl_autoload_register(
+	static function ( $class_name ) {
+		// Namespace prefix for the AI client.
+		$client_prefix    = 'WordPress\\AiClient\\';
+		$client_prefix_len = 20; // strlen( 'WordPress\\AiClient\\' )
+
+		// Namespace prefix for scoped dependencies.
+		$scoped_prefix     = 'WordPress\\AiClientDependencies\\';
+		$scoped_prefix_len = 31; // strlen( 'WordPress\\AiClientDependencies\\' )
+
+		// PSR interface namespaces (not scoped, kept global).
+		$psr_prefixes = array(
+			'Psr\\Http\\Client\\'        => 16,
+			'Psr\\Http\\Message\\'       => 17,
+			'Psr\\EventDispatcher\\'     => 21,
+			'Psr\\SimpleCache\\'         => 16,
+		);
+
+		$base_dir = __DIR__;
+
+		// 1. WordPress\AiClient\* → src/
+		if ( 0 === strncmp( $class_name, $client_prefix, $client_prefix_len ) ) {
+			$relative_class = substr( $class_name, $client_prefix_len );
+			$file           = $base_dir . '/src/' . str_replace( '\\', '/', $relative_class ) . '.php';
+			if ( file_exists( $file ) ) {
+				require $file;
+			}
+			return;
+		}
+
+		// 2. WordPress\AiClientDependencies\* → third-party/ (strip prefix).
+		if ( 0 === strncmp( $class_name, $scoped_prefix, $scoped_prefix_len ) ) {
+			$relative_class = substr( $class_name, $scoped_prefix_len );
+			$file           = $base_dir . '/third-party/' . str_replace( '\\', '/', $relative_class ) . '.php';
+			if ( file_exists( $file ) ) {
+				require $file;
+			}
+			return;
+		}
+
+		// 3. Psr\* interfaces → third-party/Psr/...
+		foreach ( $psr_prefixes as $prefix => $prefix_len ) {
+			if ( 0 === strncmp( $class_name, $prefix, $prefix_len ) ) {
+				$relative_class = substr( $class_name, 4 ); // Strip 'Psr\' prefix, keep sub-namespace.
+				$file           = $base_dir . '/third-party/Psr/' . str_replace( '\\', '/', $relative_class ) . '.php';
+				if ( file_exists( $file ) ) {
+					require $file;
+				}
+				return;
+			}
+		}
+	}
+);