<?php $foo = ''; $testone = 0; $testtwo = 0.0; $testthree = array(); $testfour = fopen("http://ya.ru", "r"); if(empty($foo)) echo "Foo is empty - ". gettype($foo); // Foo is empty - string if(empty($bar)) echo 'Bar is empty too - '. gettype($bar); // Notice: Undefined variable: bar in /in/kCIj8 on line 7 Bar is empty too - NULL if(empty($testone)) echo 'Testone is empty - '.gettype($testone); if(empty($testtwo)) echo 'Testtwo is empty - '.gettype($testtwo); if(empty($testthree)) echo 'Testthree is empty - '.gettype($testthree); if(empty($testfour)) echo 'Testfour is empty'.gettype($testfour); else echo "Testfour's not empty"; var_dump($testfour); ?>
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