February 2013
Intermediate to advanced
538 pages
20h 55m
English
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Name
array_walk
Synopsis
bool array_walk(arrayinput, stringcallback[, mixeduser_data])
Calls the named function for each element in the array. The
function is called with the element’s value, key, and optional user
data as arguments. To ensure that the function works directly on the
values of the array, define the first parameter of the function by
reference. Returns true on success,
false on failure.
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.