a => isset = true ake = true
b => isset = false ake = true
c => isset = true ake = true
d => d isset = true ake = true
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.1
Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/YIkcr on line 10
a => isset = true ake = truePHP_EOL
Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/YIkcr on line 10
b => isset = false ake = truePHP_EOL
Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/YIkcr on line 10
c => isset = true ake = truePHP_EOL
Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/YIkcr on line 10
d => d isset = true ake = truePHP_EOL