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run code in 200+ php & hhvm versions
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<?php $data = array ( array ( 'title' => 'About Us', 'url' => '/about-us/', 'children' => array ( array ( 'title' => 'Who We Are', 'url' => '/who-we-are/', ), array ( 'title' => 'What We Do', 'url' => '/what-we-do/', ), array ( 'title' => 'Other Things', 'url' => '/other-things/', ), ), ), array ( 'title' => 'Random', 'url' => '/random/', 'children' => array ( array ( 'title' => 'Link One', 'url' => '/link-one/', ), array ( 'title' => 'Link Two', 'url' => '/link-two/', 'children' => array ( array ( 'title' => 'Level Three', 'url' => '/level-three/', ), ), ), ), ), ); $json = array2json($data);
based on 6rPcg
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught Error: Call to undefined function array2json() in /in/KhjW7:58 Stack trace: #0 {main} thrown in /in/KhjW7 on line 58
Process exited with code 255.
Output for 5.0.0 - 5.6.28
Fatal error: Call to undefined function array2json() in /in/KhjW7 on line 58
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: array2json() in /in/KhjW7 on line 58
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: array2json() in /in/KhjW7 on line 58
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: array2json() in /in/KhjW7 on line 58