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This article mainly introduces "what is the function of the php index array". In the daily operation, I believe that many people have doubts about the role of the php index array. The editor consulted all kinds of data and sorted out a simple and easy-to-use method of operation. I hope it will be helpful for you to answer the question of "what is the function of the php index array?" Next, please follow the editor to study!

1. Concept

An indexed array means that the keys of an array are implicit numbers and are automatically maintained, just like an array in a static language. Index values, like other languages, start at 0.

2. Creation method

$products = array ('Tires',' Oil', 'Spark Plugs')

3. Initialize the instance

Create an array.php under the php_learning/basic directory to store the code we wrote, and initialize the two PHP index arrays as follows:

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