How to get the size of an array in PHP?

There are two common ways to get the size of an array. The most popular way is to use the PHP count () function. As the function name says, count() will return a count of the elements of an array. But how we use the count() function depends on the array structure. Let's look at the two example arrays we defined earlier.

What is the length of an array in PHP?

In PHP, the length of an array is defined as the number of elements it contains. We can retrieve the count of an array using the count() function or size of operator (). For example, an array can contain either string or integer values which can be either single or multi-dimensional.

How do I create a fixed-size array in PHP?

Use SplFixedArray for a fixed-size array: In PHP arrays are really ordered maps and thus have size equal to the number of elements they contain -- if you want to create an empty array of a particular size you're going to have to fill it with something. You could always fill it with null values using array_fill: Thanks.