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34 lines
584 B
Markdown
34 lines
584 B
Markdown
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# ConflictingReferenceConstraint
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Emitted when a by-ref variable is set in two different branches of an if to different types.
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```php
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class A {
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/** @var int */
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private $foo;
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public function __construct(int &$foo) {
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$this->foo = &$foo;
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}
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}
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class B {
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/** @var string */
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private $bar;
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public function __construct(string &$bar) {
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$this->bar = &$bar;
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}
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}
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if (rand(0, 1)) {
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$v = 5;
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$c = (new A($v)); // $v is constrained to an int
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} else {
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$v = "hello";
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$c = (new B($v)); // $v is constrained to a string
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}
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$v = 8;
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```
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