3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array(1,2); $query = 'found {{$_the.test}}'; $_the['test'] = 'var'; preg_match('/({{\$(.*)}})/',$query,$matches); var_dump($matches[2]); $parts = explode('.',$matches[2]); var_dump(${"$parts[0]"."[[$parts[1]]"}); $new = preg_replace('/({{\$(.*)}})/',${$matches[2]},$query); echo $new;
based on 7G6Ne
Output for 5.0.4 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
string(9) "_the.test" Notice: Undefined variable: _the[[test] in /in/H7PXf on line 9 NULL Notice: Undefined variable: _the.test in /in/H7PXf on line 10 found
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.3.0 - 5.0.3
string(9) "_the.test" Notice: Undefined variable: _the[[test] in /in/H7PXf on line 9 NULL Notice: Undefined variable: _the.test in /in/H7PXf on line 10 found