print_r()

print_r - Prints human-readable information about a variable

Syntax

mixed print_r (mixed $expression, bool $return)

Arguments

• expression - The expression to be printed.
• return - If you would like to capture the output of print_r(), use the return parameter. When this parameter is set to TRUE, print_r() will return the information rather than print it.

Description

print_r() displays information about a variable in a way that's readable by humans.

Version

PHP 4, 5

Return value

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