How can PHP be used to dynamically build a string with variables for program execution?

To dynamically build a string with variables for program execution in PHP, you can use string concatenation or interpolation to insert variables into the string. This allows you to create dynamic strings based on the values of variables in your program. 

// Example of dynamically building a string with variables for program execution
$name = "John";
$age = 30;

// Using string concatenation
$query = "SELECT * FROM users WHERE name = '" . $name . "' AND age = " . $age;

// Using string interpolation
$query = "SELECT * FROM users WHERE name = '$name' AND age = $age";

echo $query;

Keywords

PHP dynamic string variables program execution concatenation

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