1--TEST-- 2Test result of match cannot be modified by reference 3--FILE-- 4<?php 5 6// opcache can't be certain Test::usesRef is actually this method 7if (!class_exists('Test')) { 8 class Test { 9 public static function usesRef(&$x) { 10 $x = 'modified'; 11 } 12 public static function usesValue($x) { 13 echo "usesValue $x\n"; 14 } 15 } 16} 17 18function main(int $i): int { 19 Test::usesValue(match(true) { true => $i }); 20 Test::usesValue(match($i) { 42 => $i }); 21 var_dump($i); 22 Test::usesRef(match(true) { true => $i }); 23 var_dump($i); 24} 25 26try { 27 main(42); 28} catch (Error $e) { 29 printf("Caught %s\n", $e->getMessage()); 30} 31 32?> 33--EXPECT-- 34usesValue 42 35usesValue 42 36int(42) 37Caught Test::usesRef(): Argument #1 ($x) could not be passed by reference 38
