What are PHP array? In PHP, we implement the array of an assigned Map. The sizeof PHP count() function to get built-in function in PHP, and we can use it to count the number of elements present in an array countable object. The count() and sizeof() function returns 0 for a variable that we can initialize with an empty array. PHP Array Length: How to Find Array Length in PHP [With Examples]
Below is the example we can consider as key and value pair:
Note: we categorize Arrays as “indexed array” and “associative array” based on the key stipulation. The Indexed array has a default index that starts with ‘0’.The associative array includes the user-defined key index. We can use the keys for strings and natural numbers.
$emptyArray = array();
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