csu3_am335x/EVSE/GPL/php-8.1.12/ext/opcache/tests/bug77058.phpt

--TEST--
Bug #77058: Type inference in opcache causes side effects
--EXTENSIONS--
opcache
--FILE--
<?php

function myfunc(){
  $Nr = 0;
  while(1){
    $x--;
    $x++;
    if( ++ $Nr >= 2 ) break;
  }
  echo "'$Nr' is expected to be 2", PHP_EOL;
}
myfunc();

?>
--EXPECTF--
Warning: Undefined variable $x in %s on line %d
'2' is expected to be 2