php/php-src — pull request #763 by anubisthejackle (2014-08-07 20:26:53+00:00)
Title: Strict empty

Created sempty function (Strict Empty) which evaluates identically to empty, but in a strict fashion, allowing you to evaluate FALSE and the integer 0 as non-empty, where the empty language construct will evaluate those as empty values. Zero Length strings still evaluate as empty.