ptarjan
64 linhas
1.1 KiB
PHP
64 linhas
1.1 KiB
PHP
<?php
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function f() {
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$n = "x";
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$g = "y";
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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($$g).":\n";
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$x = 0;
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$$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($$g);
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print ":".isset($x).":\n";
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print ":".isset($$n).":\n";
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print ":".isset($$g).":\n";
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$a = array();
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$a["foo"] = null;
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var_dump(isset($a["foo"]));
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$q =& $a["foo"];
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var_dump(isset($a["foo"]));
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unset($q);
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var_dump(isset($a["foo"]));
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}
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f();
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/*********/
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function get_index() {
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echo "I've made a huge mistake\n";
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return 0;
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}
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$a = 4;
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$arr = array("get_index should not be called");
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var_dump(isset($a, $b, $arr[get_index()]));
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/**
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* Check for a peculiar translator interaction with IssetM, where
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* a dirty, variant local in the same BB as IssetM could cause the
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* local to morph into a cell.
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*/
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function g($dontTake, &$toFillIn, $id, $key, $value) {
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$toFillIn = array();
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if (isset($toFillIn[$id])) {
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$cur = $toFillIn[$id];
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}
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$toFillIn[$id] = $value;
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}
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$a = null;
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g(null, $a, "127.0.0.1", null, null );
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var_dump($a);
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