Ticket #47397: 47397.2.patch

src/wp-includes/compat.php

@@ -510 +510 @@
         require_once ABSPATH . WPINC . '/spl-autoload-compat.php';
 }
 
-if ( ! function_exists( 'is_countable' ) ) {
+if ( ( version_compare( PHP_VERSION, '7.3' ) > 0 ) && ! function_exists( 'is_countable' ) ) {
         /**
          * Polyfill for is_countable() function added in PHP 7.3.
          *
@@ -532 +532 @@
         }
 }
 
-if ( ! function_exists( 'is_iterable' ) ) {
+if ( ( version_compare( PHP_VERSION, '7.3' ) > 0 ) && ! function_exists( 'is_iterable' ) ) {
         /**
          * Polyfill for is_iterable() function added in PHP 7.1.
          *