March 2002
Intermediate to advanced
528 pages
21h 29m
English
Content preview from Programming PHPBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
Start your free trial
Name
print_r
Synopsis
bool print_r(mixed value)
Outputs value in a human-readable manner.
If value is a string, integer, or double,
the value itself is output; if it is an array, the keys and elements
are shown; and if it is an object, the keys and values for the object
are displayed. This function returns true.