array_pad() Function in PHP

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In this php video, I explain about php array_pad() function.The array_pad() returns a copy of the array padded to size specified by length with value value. If length is positive then the array is padded on the right, if it's negative then on the left. If the absolute value of length is less than or equal to the length of the array then no padding takes place. It is possible to add at most 1048576 elements at a time.
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