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66 lines
1.4 KiB
PHP
66 lines
1.4 KiB
PHP
--TEST--
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Bug #31098 (isset() / empty() incorrectly returns true in dereference of a wrong type)
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--FILE--
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<?php
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$a = '';
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var_dump(isset($a->b));
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$a = 'a';
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var_dump(isset($a->b));
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$a = '0';
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var_dump(isset($a->b));
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$a = '';
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var_dump(isset($a['b']));
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$a = 'a';
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var_dump(isset($a['b']));
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$a = '0';
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var_dump(isset($a['b']));
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$simpleString = "Bogus String Text";
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echo isset($simpleString->wrong)?"bug\n":"ok\n";
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try {
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echo isset($simpleString["wrong"])?"bug\n":"ok\n";
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} catch (\TypeError $e) {
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echo $e->getMessage() . \PHP_EOL;
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}
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echo isset($simpleString[-20])?"bug\n":"ok\n";
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echo isset($simpleString[0])?"ok\n":"bug\n";
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echo isset($simpleString["0"])?"ok\n":"bug\n";
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echo isset($simpleString["16"])?"ok\n":"bug\n";
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echo isset($simpleString["17"])?"bug\n":"ok\n";
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echo $simpleString->wrong === null?"ok\n":"bug\n";
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try {
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echo $simpleString["wrong"] === "B"?"ok\n":"bug\n";
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} catch (\TypeError $e) {
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echo $e->getMessage() . \PHP_EOL;
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}
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echo $simpleString["0"] === "B"?"ok\n":"bug\n";
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try {
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/* This must not affect the string value */
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$simpleString["wrong"] = "f";
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} catch (\TypeError $e) {
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echo $e->getMessage() . \PHP_EOL;
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}
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echo $simpleString["0"] === "B"?"ok\n":"bug\n";
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?>
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--EXPECTF--
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bool(false)
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bool(false)
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bool(false)
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bool(false)
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bool(false)
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bool(false)
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ok
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ok
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ok
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ok
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ok
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ok
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ok
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Warning: Attempt to read property "wrong" on string in %s on line %d
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ok
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Cannot access offset of type string on string
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ok
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Cannot access offset of type string on string
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ok
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