Ticket #59448: 59448.patch

src/wp-includes/functions.php

@@ -8713 +8713 @@
 function is_wp_version_compatible( $required ) {
         global $wp_version;
 
+        $valid_required = preg_replace( '/^(\d+)\.(\d+)\.0$/','$1.$2',$required );
+        if( is_string( $required ) && $valid_required !== $required ) {
+                _doing_it_wrong( __FUNCTION__,'Invalid version string','X.X' );
+                $required = $valid_required;
+        }
+
         // Strip off any -alpha, -RC, -beta, -src suffixes.
         list( $version ) = explode( '-', $wp_version );
 

tests/phpunit/tests/functions/isWpVersionCompatible.php

@@ -182 +182 @@
                         ),
                 );
         }
+
+        /**
+         * Tests is_wp_version_compatible() with invalid version notation like x.y.0.
+         *
+         * @expectedIncorrectUsage is_wp_version_compatible
+         */
+        public function test_is_wp_version_compatible_with_wrong_version_notation() {
+                global $wp_version;
+                $wp_version = '6.3';
+                $this->assertSame( true, is_wp_version_compatible( '6.3.0' ) );
+                $wp_version = '6.3.1';
+                $this->assertSame( false, is_wp_version_compatible( '6.3.2' ) );
+        }
 }