Php statistics on the number of array elements, php array count _ PHP Tutorial

Php counts the number of array elements and the number of php arrays. Php counts the number of array elements. php array count (): counts the number of elements in the array. sizeof (): has the same purpose as count, both functions can return the number of array elements. php counts the number of array elements and the number of php arrays.

Count (): counts the number of elements in the array;

Sizeof (): it has the same purpose as count (). both functions can return the number of array elements. we can get the number of elements in a regular scalar variable. If the array passed to this function is an empty array or an unspecified variable, the number of returned array elements is 0;

Array_count_value (): counts the number of times each specific value has exceeded in the array $ array;

For example:

$ Array = array );

$ Ac = array_count_value ($ array );

An array named $ ac will be created, including:



Keyword value

4 1

5 1

1 3

2 2

3 1


Article Source: http://www.cnblogs.com/taletao/archive/2012/04/26/2471338.html

Distinct count (): counts the number of elements in the array. sizeof (): has the same purpose as count (). both functions can return the number of elements in the array...