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() { 19 $i = 0; 20 Test::usesValue(match(true) { true => $i }); 21 echo "i is $i\n"; 22 $j = 1; 23 Test::usesRef(match(true) { true => $j }); 24 echo "j is $j\n"; 25} 26main(); 27 28?> 29--EXPECTF-- 30usesValue 0 31i is 0 32 33Fatal error: Uncaught Error: Test::usesRef(): Argument #1 ($x) could not be passed by reference in %s:%d 34Stack trace: 35#0 %s(%d): main() 36#1 {main} 37 thrown in %s on line %d 38
