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run code in 150+ php & hhvm versions
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<?php $CONFIG['databases'][] = Array( 'db_type'=>'mysql', 'db_host'=>'mysql-5.kardex.com.au:3306', 'db_username'=>'mykard1001', 'db_password'=>'aA5h9XCx', 'db_name'=>'kardexdb_kardex_com_au' ); $CONFIG['databases'][] = Array( 'db_type'=>'mysql', 'db_host'=>'mysql-2.kardex.com.au:3306', 'db_username'=>'myoffe1001', 'db_password'=>'sKZmhqzh', 'db_name'=>'offertracking_kardex_com_au' ); for ($count = 0; $count < count($CONFIG['database']); $count++) { print_r($CONFIG['database'][$count]); } ?>
Output for 5.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
Notice: Undefined index: database in /in/kHfs2 on line 19
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.3.0 - 5.2.17
Notice: Undefined index: database in /in/kHfs2 on line 19