What is the error message indicating in the PHP code provided?

The error message "Undefined variable" indicates that the code is trying to use a variable that has not been defined or initialized. To solve this issue, we need to make sure that the variable is declared before using it in the code. 

// Incorrect code
echo $message;

// Corrected code
$message = "Hello, World!";
echo $message;

Keywords

syntax error unexpected semicolon PHP code analysis

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