What are common errors related to undefined variables in PHP scripts, and how can they be resolved?

Common errors related to undefined variables in PHP scripts include notices or warnings when trying to access a variable that has not been defined or initialized. To resolve this issue, always make sure to initialize variables before using them to avoid errors. 

// Example of initializing a variable to avoid undefined variable error
$variable = ""; // Initialize the variable before using it

// Now you can safely use the variable without causing an error
echo $variable;

Keywords

undefined variables PHP scripts error resolution debugging error handling

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