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Suggestion for more detailed output of var_dump (video 7:15)
If anyone struggles with the comparison of the var_dumps from minute 7:15 .. I recommend you to try something like this insted of var_dump all three in one:
echo '<pre>'; echo 'var_dump $status:' . "\t" . "\t" ; var_dump($status); echo 'var_dump boolval(\'all\'):' . "\t" ; var_dump(boolval('all')); //echo 'var_dump $status == \'all\':' . "\t" ; //var_dump($status == 'all'); echo 'var_dump $status === \'all\':' . "\t" ; var_dump($status === 'all'); echo '</pre>';
Hope this helps one or the other . Cheers