What are some common methods for outputting data during an active PHP script execution?

During an active PHP script execution, common methods for outputting data include using the `echo` statement to directly output content to the browser, using `print` as an alternative to `echo`, and using the `print_r` or `var_dump` functions for debugging purposes to display the contents of variables. 

// Using echo to output content
echo "Hello, World!";

// Using print as an alternative to echo
print "Hello, World!";

// Using print_r to display the contents of an array
$array = [1, 2, 3];
print_r($array);

// Using var_dump for detailed variable debugging
$variable = "Hello, World!";
var_dump($variable);

Keywords

echo print var_dump print_r die

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