Search Multidimensional Array for Key Value in PHP

Arrays are generally used to store and manipulate data with ease and known to be one of the core building blocks of PHP Programming. When properly used, arrays are a great tool to process large amount of data efficiently - be it from database server or from a third-party source. But they can become nasty once you start working with multidimensional array which by itself is an array of arrays i.e., every element of the array turns out as an array. Below example is a good representation of a multi-dimensional array.

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