How should variables be properly assigned and utilized in PHP scripts to ensure correct data manipulation and output?

Variables in PHP should be properly assigned with meaningful names and appropriate data types to ensure correct data manipulation and output. It is important to initialize variables before using them and to avoid reusing the same variable name for different purposes within the same script. Additionally, variables should be sanitized and validated before being used in any data manipulation or output functions to prevent security vulnerabilities. 

<?php
// Proper variable assignment and utilization
$name = "John Doe";
$age = 30;

echo "Name: " . $name . "<br>";
echo "Age: " . $age;
?>

Keywords

variables assignment data manipulation output PHP scripts

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