How Values in Arrays Are Indexed

Q

How Values in Arrays Are Indexed? - PHP Script Tips - Understanding PHP Arrays and Their Basic Operations

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A

Values in an array are all indexed their corresponding keys. Because we can use either an integer or a string as a key in an array, we can divide arrays into 3 categories:

Numerical Array - All keys are sequential integers.
Associative Array - All keys are strings.
Mixed Array - Some keys are integers, some keys are strings.

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