ptarjan
134 linhas
3.0 KiB
PHP
134 linhas
3.0 KiB
PHP
<?php
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$x = array("a","b","c");
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$y = 0;
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var_dump(isset($x[$y]));
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var_dump(empty($x[$y]));
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var_dump(isset($x->$y));
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var_dump(empty($x->$y));
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var_dump($x);
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$x = array("a","b","c");
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$y = "0";
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var_dump(isset($x[$y]));
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var_dump(empty($x[$y]));
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var_dump(isset($x->$y));
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var_dump(empty($x->$y));
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var_dump($x);
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echo "**************************\n";
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$x = array(null);
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$y = 0;
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var_dump(isset($x[$y]));
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var_dump(empty($x[$y]));
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var_dump(isset($x->$y));
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var_dump(empty($x->$y));
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var_dump($x);
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$x = array(null);
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$y = "0";
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var_dump(isset($x[$y]));
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var_dump(empty($x[$y]));
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var_dump(isset($x->$y));
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var_dump(empty($x->$y));
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var_dump($x);
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echo "**************************\n";
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$x = "abc";
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$y = 0;
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var_dump(isset($x[$y]));
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var_dump(empty($x[$y]));
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var_dump(isset($x->$y));
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var_dump(empty($x->$y));
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var_dump($x);
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$x = "abc";
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$y = "0";
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var_dump(isset($x[$y]));
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var_dump(empty($x[$y]));
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var_dump(isset($x->$y));
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var_dump(empty($x->$y));
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var_dump($x);
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echo "**************************\n";
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$abc = array('foo' => array('bar' => 'baz'));
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$abc2 =& $abc;
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var_dump(isset($abc['foo']));
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var_dump(empty($abc['foo']));
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var_dump(isset($abc->foo));
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var_dump(empty($abc->foo));
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var_dump(isset($abc['foo']['bar']));
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var_dump(empty($abc['foo']['bar']));
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var_dump(isset($abc['foo']->bar));
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var_dump(empty($abc['foo']->bar));
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var_dump(isset($abc->foo['bar']));
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var_dump(empty($abc->foo['bar']));
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var_dump(isset($abc->foo->bar));
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var_dump(empty($abc->foo->bar));
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echo "**************************\n";
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$abc = new stdclass;
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$abc->foo = array('bar' => 'baz');
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var_dump(isset($abc->foo));
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var_dump(empty($abc->foo));
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var_dump(isset($abc->foo['bar']));
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var_dump(empty($abc->foo['bar']));
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var_dump(isset($abc->foo->bar));
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var_dump(empty($abc->foo->bar));
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unset($abc);
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echo "**************************\n";
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$abc = new stdclass;
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$abc2 =& $abc; // make $abc a Var
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$abc->foo = array('bar' => 'baz');
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var_dump(isset($abc->foo));
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var_dump(empty($abc->foo));
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var_dump(isset($abc->foo['bar']));
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var_dump(empty($abc->foo['bar']));
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var_dump(isset($abc->foo->bar));
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var_dump(empty($abc->foo->bar));
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unset($abc);
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unset($abc2);
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echo "**************************\n";
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$abc = array('foo' => new stdclass);
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$abc['foo']->bar = 'baz';
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var_dump(isset($abc['foo']));
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var_dump(empty($abc['foo']));
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var_dump(isset($abc->foo));
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var_dump(empty($abc->foo));
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var_dump(isset($abc['foo']->bar));
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var_dump(empty($abc['foo']->bar));
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var_dump(isset($abc->foo['bar']));
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var_dump(empty($abc->foo['bar']));
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var_dump(isset($abc->foo->bar));
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var_dump(empty($abc->foo->bar));
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unset($abc);
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echo "**************************\n";
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$abc = array('foo' => new stdclass);
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$abc2 =& $abc; // make $abc a Var
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$abc['foo']->bar = 'baz';
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var_dump(isset($abc['foo']));
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var_dump(empty($abc['foo']));
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var_dump(isset($abc->foo));
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var_dump(empty($abc->foo));
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var_dump(isset($abc['foo']->bar));
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var_dump(empty($abc['foo']->bar));
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var_dump(isset($abc->foo['bar']));
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var_dump(empty($abc->foo['bar']));
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var_dump(isset($abc->foo->bar));
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var_dump(empty($abc->foo->bar));
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unset($abc);
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unset($abc2);
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echo "**************************\n";
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