PHP print_r() Function
❮ PHP Variable Handling Reference
Example
Print the information about some variables in a more human-readable way:
<?php
$a = array("red", "green", "blue");
print_r($a);
echo "<br>";
$b = array("Peter"=>"35", "Ben"=>"37", "Joe"=>"43");
print_r($b);
?>
Try it Yourself »
Definition and Usage
The print_r() function prints the information about a variable in a more human-readable way.
Syntax
print_r(variable, return);
Parameter Values
| Parameter | Description |
|---|---|
| variable | Required. Specifies the variable to return information about |
| return | Optional. When set to true, this function will return the information (not print it). Default is false |
Technical Details
| Return Value: | If variable is integer, float, or string, the value itself will be printed. If variable is array or object, this function returns keys and elements. If the return parameter is set to TRUE, this function returns a string |
|---|---|
| Return Type: | True or String |
| PHP Version: | 4.0+ |
❮ PHP Variable Handling Reference
