1--TEST-- 2TMP variable optimization 001: TMP variable renumbering should be done after DFA optimizations 3--INI-- 4opcache.enable=1 5opcache.enable_cli=1 6opcache.optimization_level=-1 7--FILE-- 8<?php 9is_a((int)" $y " + 0); 10?> 11--EXPECTF-- 12Warning: Undefined variable $y in %stmp_001.php on line 2 13 14Fatal error: Uncaught ArgumentCountError: is_a() expects at least 2 arguments, 1 given in %stmp_001.php:2 15Stack trace: 16#0 %stmp_001.php(2): is_a(0) 17#1 {main} 18 thrown in %stmp_001.php on line 2
