- print_r: documentation ( source)
- file: documentation ( source)
<?php
try { $a[(object)null] = 1; } catch (Throwable $e) { print_r($e->getTrace()); }
try { file(null); } catch (Throwable $e) { print_r($e->getTrace()); }
try { file(); } catch (Throwable $e) { print_r($e->getTrace()); }