How can variables be standardized for better coding practices in PHP?

Variables can be standardized for better coding practices in PHP by following naming conventions, using meaningful names, and avoiding abbreviations. This can make the code more readable and maintainable for yourself and other developers. Additionally, using consistent casing (camelCase or snake_case) can help improve code consistency. 

// Example of standardized variables in PHP
$firstName = "John";
$lastName = "Doe";
$userAge = 30;
$emailAddress = "john.doe@example.com";

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variables standardization coding practices PHP programming

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