print_r

print_r

Prints human-readable information about a variable

 **print_r** mixed $value bool $return

displays information about a variable

in a way that's readable by humans.
print_r

, and will also show protected and private properties of objects. Static class members will not be shown. print_r``var_dump``var_export

valueThe expression to be printed.

return If you would like to capture the output of , use the parameter. When this parameter is set to true, will return the information rather than print it. print_r``return``print_r

If given a , or , the value itself will be printed. If given an , values will be presented in a format that shows keys and elements. Similar notation is used for s. string``int``float``array``object

When the parameter is true, this function will return a . Otherwise, the return value is true. return``string

Voorbeeld: example

<pre>
<?php
$a = array ('a' => 'apple', 'b' => 'banana', 'c' => array ('x', 'y', 'z'));
print_r($a);
?>
</pre>

<pre>
Array
(
    [a] => apple
    [b] => banana
    [c] => Array
        (
            [0] => x
            [1] => y
            [2] => z
        )
)
</pre>

Voorbeeld: parameter example

<?php
$b = array ('m' => 'monkey', 'foo' => 'bar', 'x' => array ('x', 'y', 'z'));
$results = print_r($b, true); // $results now contains output from print_r

print_r($results);
?>

ob_start``var_dump``var_export