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<?php $a = ''; echo 'Is $a equal to FALSE? '.( $a==false ? 'YES' : 'NO' ).'<br>'; echo 'Is $a REALLY equal to FALSE? '.( $a===false ? 'YES' : 'NO' ).'<br>';
Output for 4.3.0 - 7.1.0
Is $a equal to FALSE? YES<br>Is $a REALLY equal to FALSE? NO<br>