3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test { public function __get( $property ) { if ( 'bla' === $property ) { echo 'Initializing Text->bla' . PHP_EOL; $this->bla = 'Value'; return $this->bla; } $trace = debug_backtrace(); trigger_error( 'Undefined property via __get(): ' . $property . ' in ' . $trace[0]['file'] . ' on line ' . $trace[0]['line'], E_USER_NOTICE); return null; } } $test = new Test(); echo $test->bla . PHP_EOL; echo $test->bla . PHP_EOL; echo $test->bla . PHP_EOL; echo $test->kaka . PHP_EOL; echo $test->bla . PHP_EOL;

preferences:
42.87 ms | 402 KiB | 5 Q