diff -r 48c4eec2b7e6 -r 8c2e4d02f4ef wp/wp-includes/load.php
--- a/wp/wp-includes/load.php	Fri Sep 05 18:40:08 2025 +0200
+++ b/wp/wp-includes/load.php	Fri Sep 05 18:52:52 2025 +0200
@@ -147,11 +147,12 @@
  * @since 3.0.0
  * @access private
  *
- * @global string $required_php_version The required PHP version string.
- * @global string $wp_version           The WordPress version string.
+ * @global string   $required_php_version    The required PHP version string.
+ * @global string[] $required_php_extensions The names of required PHP extensions.
+ * @global string   $wp_version              The WordPress version string.
  */
 function wp_check_php_mysql_versions() {
-	global $required_php_version, $wp_version;
+	global $required_php_version, $required_php_extensions, $wp_version;
 
 	$php_version = PHP_VERSION;
 
@@ -168,6 +169,30 @@
 		exit( 1 );
 	}
 
+	$missing_extensions = array();
+
+	if ( isset( $required_php_extensions ) && is_array( $required_php_extensions ) ) {
+		foreach ( $required_php_extensions as $extension ) {
+			if ( extension_loaded( $extension ) ) {
+				continue;
+			}
+
+			$missing_extensions[] = sprintf(
+				'WordPress %1$s requires the <code>%2$s</code> PHP extension.',
+				$wp_version,
+				$extension
+			);
+		}
+	}
+
+	if ( count( $missing_extensions ) > 0 ) {
+		$protocol = wp_get_server_protocol();
+		header( sprintf( '%s 500 Internal Server Error', $protocol ), true, 500 );
+		header( 'Content-Type: text/html; charset=utf-8' );
+		echo implode( '<br>', $missing_extensions );
+		exit( 1 );
+	}
+
 	// This runs before default constants are defined, so we can't assume WP_CONTENT_DIR is set yet.
 	$wp_content_dir = defined( 'WP_CONTENT_DIR' ) ? WP_CONTENT_DIR : ABSPATH . 'wp-content';
 
@@ -453,8 +478,6 @@
 /**
  * Gets the time elapsed so far during this PHP script.
  *
- * Uses REQUEST_TIME_FLOAT that appeared in PHP 5.4.0.
- *
  * @since 5.8.0
  *
  * @return float Seconds since the PHP script started.
@@ -878,6 +901,7 @@
 				'blog-lookup',
 				'blog_meta',
 				'global-posts',
+				'image_editor',
 				'networks',
 				'network-queries',
 				'sites',
@@ -1430,6 +1454,18 @@
 }
 
 /**
+ * Converts a value to non-negative integer.
+ *
+ * @since 2.5.0
+ *
+ * @param mixed $maybeint Data you wish to have converted to a non-negative integer.
+ * @return int A non-negative integer.
+ */
+function absint( $maybeint ) {
+	return abs( (int) $maybeint );
+}
+
+/**
  * Retrieves the current site ID.
  *
  * @since 3.1.0
@@ -1681,9 +1717,8 @@
 		}
 	}
 
-	// Bit operator to workaround https://bugs.php.net/bug.php?id=44936 which changes access level to 63 in PHP 5.2.6 - 5.2.17.
 	if ( isset( $ini_all[ $setting ]['access'] )
-		&& ( INI_ALL === ( $ini_all[ $setting ]['access'] & 7 ) || INI_USER === ( $ini_all[ $setting ]['access'] & 7 ) )
+		&& ( INI_ALL === $ini_all[ $setting ]['access'] || INI_USER === $ini_all[ $setting ]['access'] )
 	) {
 		return true;
 	}
@@ -1809,8 +1844,20 @@
 
 	$key   = substr( sanitize_key( wp_unslash( $_REQUEST['wp_scrape_key'] ) ), 0, 32 );
 	$nonce = wp_unslash( $_REQUEST['wp_scrape_nonce'] );
+	if ( empty( $key ) || empty( $nonce ) ) {
+		return;
+	}
 
-	if ( get_transient( 'scrape_key_' . $key ) !== $nonce ) {
+	$transient = get_transient( 'scrape_key_' . $key );
+	if ( false === $transient ) {
+		return;
+	}
+
+	if ( $transient !== $nonce ) {
+		if ( ! headers_sent() ) {
+			header( 'X-Robots-Tag: noindex' );
+			nocache_headers();
+		}
 		echo "###### wp_scraping_result_start:$key ######";
 		echo wp_json_encode(
 			array(