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What is the importance of foreach loop in php?

The foreach construct simply gives an easy way to iterate over arrays. Foreach works only on arrays (and objects).


What is the PHP foreach construct used for?

The PHP foreach construct is used to iterate over arrays. This is done in the field of mathematics. It will issue errors when one tries to use it as a variable instead of arrays and objects.


What is the use of foreeach loop?

Most of programmers start to write programs using arrays, not collection. Arrays are fixed sized collections with indices to "walk" through those collection from beginning to end. Because arrays are fixed sized, the length of an array is known and hence one may walk through every element by for-, while-, or do-while loops in C#.When you need to apply certain operations to every elements in a collection, and don't care how many elements in that collection, foreach is the natural way to walk through that collection, including arrays in C#.If I encounter a requirement statements such as "... for every... ", "... for all ...", "for each" (AHA), I prefer foreach statement in code. The traditional loop controls would introduce at least 3 additional programming artifacts (the index, the boundary check, and the increment or decrement).


What data structure does python use in place of arrays?

I believe Python's version of arrays is called dictionaries, although I am not completely sure and will have to check now...


What is the use of auxiliary array in merge sort?

In merge sort the whole is divided into two sub arrays. (This way of solving problem is called Divide and conquer algorithm) These sub arrays are called auxiliary arrays. First an array A is divided into two auxiliary arrays A1 and A2. Now these auxiliary arrays are further divided until we reach a stage with an auxiliary array of 2 elements. These 2 elements are arranged in incremental order and merged with the previous divided arrays. So we can say that auxiliary array is used to implement the basic principle of merge sort.


What is multidimentional array?

Arrays having more than one dimension is known as multi-dimensional arrays. Multi-dimensional arrays is also known as arrays-of-arrays.


What is a multidimentional array?

Arrays having more than one dimension is known as multi-dimensional arrays. Multi-dimensional arrays is also known as arrays-of-arrays.


What is a PHP function that can sort arrays by other arrays?

You cannot sort arrays by other arrays; that wouldn't make sense, anyway.


What do arrays eat?

Arrays are reported to be omnivoire.


How do you find the difference between two arrays in Java?

for arrays you can list the different arrays and what attributes that you give to them.


Arrays whose size can be altered are known as?

Arrays whose size can be altered are known as dynamic arrays.


What are the types of arrays and syntax?

Arrays can be of following types.