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Array

There's 3 types of functions which use array() out of the dozens of different array

class_exists

You can use class_exists to check if a plugin is active. ( Watch the video below which

Code array() With [ ] Square Brackets

As of PHP 5.4 you can also use short array syntax, which replaces array() with [ ] square

Difference Between An Argument & A Parameter

There's different opinions on this subject, here's mine. My opinion is based on how i

foreach

The foreach construct only works with arrays. This means you must either use an array

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