own sabzh. We need to do this so that there are no empty elements left after that.
ps Perhaps the topic is already rising for the 100th time, but I didn’t have the function at hand, in Google there are mostly one-dimensional examples.
Yes, and also, the key is unknown in advance, you guessed it.
The array has the form $ arr = array ('key1' => array ('foo' => 'znachenie'), .. etc.