Is it possible to implode array's indexes? A function is returning me an array and what I need are the indexes of that array so I want to implode only inexes with comma or any other character for my db work
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问题:
回答1:
You mean something like this...
implode(',', array_keys($some_arr));
... right? ) Here's documentation for array_keys; in short, when called with a single argument (an array), this function just returns all its keys (as array).
