ptarjan
42 linhas
629 B
PHP
42 linhas
629 B
PHP
<?php
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function f() {
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$n = "y";
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$g = "z";
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global $$g;
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print ":".isset($x).":\n";
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print ":".isset($$n).":\n";
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print ":".isset($$g).":\n";
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unset($x);
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unset($$n);
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unset($$g);
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print ":".isset($x).":\n";
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print ":".isset($$n).":\n";
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print ":".isset($$g).":\n";
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$x = 0;
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$$n = 0;
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$$g = 0;
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print ":".isset($x).":\n";
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print ":".isset($$n).":\n";
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print ":".isset($$g).":\n";
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unset($x);
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unset($$n);
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unset($$g);
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print ":".isset($x).":\n";
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print ":".isset($$n).":\n";
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print ":".isset($$g).":\n";
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}
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f();
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class A {
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public function foo() {
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unset($this);
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}
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}
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$obj = new A;
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$obj->foo();
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