What potential pitfalls can arise from using $this->$link instead of $this->link in PHP code?

Using $this->$link instead of $this->link in PHP code can lead to errors because $this->$link is interpreted as trying to access a property named with the value of $link, rather than the property named 'link' in the current object. To fix this issue, simply remove the extra $ sign so that it correctly accesses the 'link' property of the object. 

// Incorrect usage
$this->$link = "https://example.com";

// Corrected usage
$this->link = "https://example.com";

Keywords

$this->$link $this->link PHP code object-oriented programming syntax error

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