<?php $array = array( 'foo' => null, 'bar' => '', 'baz' => FALSE, ); echo 'foo: ' . (string) empty($array['foo']); echo "\n"; echo 'bar: ' . (string) empty($array['bar']); echo "\n"; echo 'baz: ' . (string) empty($array['baz']); echo "\n"; echo 'fizz: ' . (string (empty($array['fizz']);
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