What resources or documentation can be helpful in understanding and implementing variable extraction in PHP?

Variable extraction in PHP allows you to extract variables from an associative array into the current symbol table. This can be helpful when working with form data or database results. To implement variable extraction, you can use the `extract()` function in PHP. 

// Example of variable extraction
$data = array('name' => 'John', 'age' => 30, 'city' => 'New York');
extract($data);

echo $name; // Output: John
echo $age; // Output: 30
echo $city; // Output: New York

Keywords

PHP variable extraction documentation resources implementation

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