When dealing with potential null values in PHP, how can the Null-Coalescing operator be utilized to avoid notices and errors?

When dealing with potential null values in PHP, the Null-Coalescing operator `??` can be used to provide a default value if the variable is null. This helps avoid notices and errors that may arise from trying to access properties or methods on a null value. By using the Null-Coalescing operator, you can safely handle null values without causing issues in your code. 

// Example usage of Null-Coalescing operator to handle potential null values
$variable = null;

// Without Null-Coalescing operator
// $value = isset($variable) ? $variable : 'default';

// With Null-Coalescing operator
$value = $variable ?? 'default';

echo $value; // Output: default

Keywords

PHP Null-Coalescing operator null values notices errors

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