How can PHP developers effectively utilize the PHP manual to find solutions to common programming tasks like variable manipulation?

To find solutions to common programming tasks like variable manipulation, PHP developers can effectively utilize the PHP manual by searching for relevant functions and examples. The PHP manual provides detailed explanations, usage examples, and user-contributed notes that can help developers understand how to manipulate variables in PHP. 

// Example of variable manipulation using the PHP manual
$number = 10;
$new_number = $number * 2;
echo $new_number; // Output: 20

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PHP manual variable manipulation programming tasks solutions developers

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