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run code in 150+ php & hhvm versions
Bugs & Features
<?php $pf = array( 'a' => 1, 'b' => 2 ); print_r ($pf.a); print_r( $pf); ?>
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Use of undefined constant a - assumed 'a' in /in/FQAIX on line 5 Notice: Array to string conversion in /in/FQAIX on line 5 ArrayaArray ( [a] => 1 [b] => 2 )
Output for 4.3.0 - 5.3.29
Notice: Use of undefined constant a - assumed 'a' in /in/FQAIX on line 5 ArrayaArray ( [a] => 1 [b] => 2 )