Скачать или смотреть When should I use is_array vs array_key_exists? is_array vs array_key_exists – Which One is Better

When should I use is_array vs array_key_exists?
🎞️ is_array is used to check if a variable is actually an array.
🎞️ array_key_exists is used to check if a key exists within an array.
🎞️ is_array is perfect for validating if a variable is an array before processing it.
🎞️ array_key_exists is best when you need to check if a key exists regardless of the value (including null).

In PHP, when checking for array values, you have two popular functions: is_array and array_key_exists. But why is it crucial to choose the right one? is_array checks if a variable is an actual array, while array_key_exists checks if a specific key exists in an array. But which should you use when? Is one faster than the other? Learn why these two are different and which is best for your scenario.

GitHub Free Source Code:
📤 https://github.com/SergiuPogor/TurboL...

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