PHP Decode

--TEST--
Bug https://github.com/scoutapp/scout-apm-php-ext/issues/55 - don't crash when using an observed method in extended class
--SKIPIF--
<?php if (!extension_loaded("scoutapm")) die("skip scoutapm extension required."); ?>
<?php if (!extension_loaded("PDO")) die("skip PDO extension required."); ?>
<?php if (!extension_loaded("pdo_sqlite")) die("skip pdo_sqlite extension required."); ?>
--FILE--
<?php
scoutapm_enable_instrumentation(true);

class MyOwnPDO extends PDO {}

$dbh = new MyOwnPDO('sqlite::memory:');
$stmt = $dbh->query("SELECT cast(1 + 2 AS text) AS result");
var_dump($stmt->fetch(PDO::FETCH_ASSOC));

$calls = scoutapm_get_calls();
var_dump($calls[0]['function']);
var_dump($calls[0]['argv'][0]);
?>
--EXPECTF--
array(%d) {
  ["result"]=>
  string(%d) "3"
}
string(%d) "PDO->query"
string(%d) "SELECT cast(1 + 2 AS text) AS result"