YouTipPhp Print_R Function
# PHP print_r() Function
[PHP Available Functions](#)
The **print_r()** function is used to print a variable in a way that is easier to understand.
PHP Version: PHP 4, PHP 5, PHP 7
### Syntax
bool print_r ( mixed $expression [, bool $return ] )
Parameter Description:
* $expression: The variable to be printed. If a string, integer, or float type variable is provided, the variable value itself will be printed. If an array is provided, the keys and elements will be displayed in a certain format. Objects are similar to arrays.
* $return: Optional. If set to true, the result will not be output but assigned to a variable. If false (default), the result is output directly.
### Return Value
Returns a string information that is easy to understand only if $return is set to **true**.
### Example
## Example
'apple', 'b' =>'banana', 'c' =>array('x','y','z')); print_r($a); ?>
The output will be:
Array( => apple => banana => Array ( => x => y => z ))
Setting the $return parameter:
## Example
'monkey', 'foo' =>'bar', 'x' =>array('x', 'y', 'z')); $results = print_r($b, true); // $results contains the output of print_r?>
The above example produces no output because the result is assigned to the $results variable.
[PHP Available Functions](#)