How can the use of variables be optimized to avoid syntax errors in PHP programming?

To avoid syntax errors in PHP programming related to variables, it is important to ensure that variables are properly declared and used throughout the code. This includes following naming conventions, avoiding reserved keywords, and paying attention to variable scope. Additionally, using proper syntax for variable interpolation and concatenation can help prevent errors. 

// Example of optimized variable usage in PHP
$name = "John";
$age = 30;

echo "My name is {$name} and I am {$age} years old.";

Keywords

variables optimization syntax errors PHP programming error handling

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