connection_* functions are impure

bin/functionMetadata_original.php

@@ -70,6 +70,8 @@
 	'chown' => ['hasSideEffects' => true],
 	'copy' => ['hasSideEffects' => true],
 	'count' => ['hasSideEffects' => false],
+	'connection_aborted' => ['hasSideEffects' => true],
+	'connection_status' => ['hasSideEffects' => true],
 	'fclose' => ['hasSideEffects' => true],
 	'fflush' => ['hasSideEffects' => true],
 	'fgetc' => ['hasSideEffects' => true],

bin/generate-function-metadata.php

@@ -83,6 +83,8 @@ public function enterNode(Node $node)
 					'rand',
 					'random_bytes',
 					'random_int',
+					'connection_aborted',
+					'connection_status',
 				], true)) {
 					continue;
 				}

resources/functionMetadata.php

@@ -767,8 +767,8 @@
 	'collator_get_sort_key' => ['hasSideEffects' => false],
 	'collator_get_strength' => ['hasSideEffects' => false],
 	'compact' => ['hasSideEffects' => false],
-	'connection_aborted' => ['hasSideEffects' => false],
-	'connection_status' => ['hasSideEffects' => false],
+	'connection_aborted' => ['hasSideEffects' => true],
+	'connection_status' => ['hasSideEffects' => true],
 	'constant' => ['hasSideEffects' => false],
 	'convert_cyr_string' => ['hasSideEffects' => false],
 	'convert_uudecode' => ['hasSideEffects' => false],

tests/PHPStan/Analyser/NodeScopeResolverTest.php

@@ -1341,6 +1341,7 @@ public function dataFileAsserts(): iterable
 		yield from $this->gatherAssertTypes(__DIR__ . '/data/nullsafe-vs-scalar.php');
 		yield from $this->gatherAssertTypes(__DIR__ . '/data/bug-8517.php');
 		yield from $this->gatherAssertTypes(__DIR__ . '/../Rules/Functions/data/bug-9803.php');
+		yield from $this->gatherAssertTypes(__DIR__ . '/data/impure-connection-fns.php');
 	}
 
 	/**

tests/PHPStan/Analyser/data/impure-connection-fns.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace ImpureConnectionFunctions;
+
+use function PHPStan\Testing\assertType;
+
+function doFoo() {
+   if (connection_aborted()) {
+	   assertType('0|1', connection_aborted());
+   }
+
+	if (connection_status()) {
+		assertType('int<0, 3>', connection_status());
+	}
+}