Application Example: Dynamically resizing an array. To change the size of a dynamically allocated array (perhaps to add space), you cannot just append the next consecutive slots. Must find free space for entire array, in one consecutive set of memory. Summary of the basic process: 1  Dynamically create a new array of desired size. 2  Copy the old array's contents into the new one. 3  Deallocate the memory of the old array (avoid memory leak). 4  Adjust pointers so that the new array has the desired name.
http://www.cs.fsu.edu/~jestes/cop3330/notes/dma.html
1 Dynamic (run-time) : Memory allocated at run time. 2  Exact sizes (like the size of an array) can be variable. 3  Dynamic memory doesn't have a name (names known by compiler), so pointers used to link to this memory. 4  Allocate dynamic space with operator. , 5  which returns address of the allocated item.
http://www.cs.fsu.edu/~jestes/cop3330/notes/dma.html
Sometimes you may not know exactly how large to make an array. You may want to have the capability of changing the size of the array at run time. A dynamic array can be resized at any time. Dynamic arrays are among the most flexible and convenient features in Visual Basic, and they help you to manage memory efficiently.
https://msdn.microsoft.com/en-us/library/aa716275(v=vs.60).aspx
There is a much better way to display all elements of an array. You can use a for each loop as this: Listing6: Using the for loop. If you want to display array content for debugging purposes then you can use 2 built in PHP functions. These are the print_r and var_dump. These functions display that array as key-value pairs. Besides this var_dump also displays variable informations.
http://mrbool.com/how-to-create-dynamic-arrays-and-display-them-using-php/26709
A procedure then allocates space for the array: The ReDim statement shown here allocates a matrix of 20 by 30 integers (at a total size of 600 elements). Alternatively, the bounds of a dynamic array can be set using variables: Note You can assign strings to resizable arrays of bytes. An array of bytes can also be assigned to a variable-length string. Be aware that the number of bytes in a string varies among platforms.
https://msdn.microsoft.com/en-us/library/aa716275(v=vs.60).aspx
Arrays are special data types. Despite of other normal variables an array can store more than one value. Let's suppose you want to store basic colors in your PHP script. You can construct a small list from them like this: Color list: 1  red. 2  green. 3  blue. 4  black.
http://mrbool.com/how-to-create-dynamic-arrays-and-display-them-using-php/26709
To create a variable that will point to a dynamically allocated array, declare it as a pointer to the element type. For example, A dynamically allocated array is declared as a pointer, and must not use the fixed array size declaration. The above declaration creates a pointer, but doesn't yet allocate any memory to it. When the desired size of an array is known, allocate memory for it with the new operator and save the address of that memory in the pointer. Remember: Pointers may be subscripted just as arrays are. The example below reads in a number and allocates that size array.
http://fredosaurus.com/notes-cpp/newdelete/50dynamalloc.html
Step 5 - Multidimensional arrays. As each element value of the array can be any type it means that it can be other array as well. If an array element value is another array then this is a multidimensional array.
http://mrbool.com/how-to-create-dynamic-arrays-and-display-them-using-php/26709
Setting it up, using good design principles! 1  To set up dynamic memory as contents of an object, declare one or more pointers as member data. 2  Always initialize pointers in the constructor! 3  Constructor might go ahead and dynamically allocate space right away, assigning addresses to pointers.
http://www.cs.fsu.edu/~jestes/cop3330/notes/dma.html
1 Declare the array with a Public statement (if you want the array to be public) or Dim statement at the module level (if you want the array to be module level), or a Static or Dim statement in a procedure (if you want the array to be local). 2  You declare the array as dynamic by giving it an empty dimension list.
https://msdn.microsoft.com/en-us/library/aa716275(v=vs.60).aspx
how to dynamically declare an array
You declare the array as dynamic by giving it an empty dimension list.