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--TEST--
Bug #64417 (BC break: ArrayAccess::&offsetGet() in a trait causes fatal error)
--FILE--
<?php
trait aa {
private $container = array();
public function offsetSet($offset, $value): void {
if (is_null($offset)) {
$this->container[] = $value;
} else {
$this->container[$offset] = $value;
}
}
public function offsetExists($offset): bool {
return isset($this->container[$offset]);
}
public function offsetUnset($offset): void {
unset($this->container[$offset]);
}
public function &offsetGet($offset): mixed {
$result = null;
if (isset($this->container[$offset])) {
$result = &$this->container[$offset];
}
return $result;
}
}
class obj implements ArrayAccess {
use aa;
}
$o = new obj;
$o['x'] = 1;
++$o['x'];
echo $o['x'], "\n";
?>
--EXPECT--
2
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