move test into separate file

Author: staabm

Diff for: tests/PHPStan/Analyser/nsrt/preg_match_shapes_php74.php

@@ -113,14 +113,6 @@ function doUnmatchedAsNull(string $s): void {
 	assertType('array{}|array{0: string, 1?: string|null, 2?: string|null, 3?: string|null}', $matches);
 }
 
-function doOffsetCaptureWithUnmatchedNull(string $s): void {
-	// see https://3v4l.org/07rBO#v8.2.9
-	if (preg_match('/(foo)(bar)(baz)/', $s, $matches, PREG_OFFSET_CAPTURE|PREG_UNMATCHED_AS_NULL)) {
-		assertType('array{array{string|null, int<-1, max>}, array{string|null, int<-1, max>}, array{string|null, int<-1, max>}, array{string|null, int<-1, max>}}', $matches);
-	}
-	assertType('array{}|array{array{string|null, int<-1, max>}, array{string|null, int<-1, max>}, array{string|null, int<-1, max>}, array{string|null, int<-1, max>}}', $matches);
-}
-
 function doUnknownFlags(string $s, int $flags): void {
 	if (preg_match('/(foo)(bar)(baz)/xyz', $s, $matches, $flags)) {
 		assertType('array<array{string|null, int<-1, max>}|string|null>', $matches);

Diff for: tests/PHPStan/Analyser/nsrt/preg_match_shapes_php80.php

@@ -0,0 +1,13 @@
+<?php // lint >= 8.0
+
+namespace PregMatchShapesPhp82;
+
+use function PHPStan\Testing\assertType;
+
+function doOffsetCaptureWithUnmatchedNull(string $s): void {
+	// see https://3v4l.org/07rBO#v8.2.9
+	if (preg_match('/(foo)(bar)(baz)/', $s, $matches, PREG_OFFSET_CAPTURE|PREG_UNMATCHED_AS_NULL)) {
+		assertType('array{array{string|null, int<-1, max>}, array{string|null, int<-1, max>}, array{string|null, int<-1, max>}, array{string|null, int<-1, max>}}', $matches);
+	}
+	assertType('array{}|array{array{string|null, int<-1, max>}, array{string|null, int<-1, max>}, array{string|null, int<-1, max>}, array{string|null, int<-1, max>}}', $matches);
+}