How to solve array traversal in php

I don't know if php has any function to check the array length for array traversal in php? In java, you can use. length directly. it is not found in php. how should I check the array length in php? Thank you ., These two statistical lengths are commonly used in php. Count () & nbsp;: count the number of units in the array or the object's array traversal in php
I wonder if php has any function to check the array length? In java, you can use. length directly. it is not found in php. how should I check the array length in php? Thank you.
------ Solution --------------------
These two statistical lengths are commonly used in php.
Count (): count the number of units in the array or the number of attributes in the object.
Strlen (): count the number of strings