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<?php function true_or_false($bool) { return $bool ? 'true' : 'false'; } function do_test($expression) { echo "\t$expression : " . true_or_false(eval("return $expression;")) . "\n"; } function test($str) { echo "Testing $str\n"; do_test("$str == 0"); do_test("$str === 0"); } test('""'); test('null'); test('array()');
Output for git.master, git.master_jit, rfc.property-hooks
Testing "" "" == 0 : false "" === 0 : false Testing null null == 0 : true null === 0 : false Testing array() array() == 0 : false array() === 0 : false

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