url https://www.php.net/manual/en/function.array-change-key-case.php

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array_change_key_case - Manual - PHP

www.php.net › manual › function.array-...

Returns an array with all keys from array lowercased or uppercased. Numbered indices are left as is. Parameters ¶. array. The array to work on. case.

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Array Functions - Manual - PHP

www.php.net › manual › ref.array.php

— Changes the case of all keys in an array; array_chunk — Split an array into chunks; array_column — Return the values from a single column in the input array ...

Array_change_key_case · Array_chunk · Is_array · Array_count_values

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key - Manual - PHP

www.php.net › manual › function.key.php

The key() function simply returns the key of the array element that's currently being pointed to by the internal pointer. It does not move the pointer in any ...

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Arrays - Manual - PHP

www.php.net › manual › book.array.php

array_change_key_case — Changes the case of all keys in an array · array_chunk — Split an array into chunks · array_column — Return the values from a single ...

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array_keys - Manual - PHP

www.php.net › function.array-keys.php

Here's a function I needed to collapse an array, in my case from a database query. It takes an array that contains key-value pairs and returns an array where ...

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Arrays - Manual - PHP

www.php.net › language.types.array.php

An array in PHP is actually an ordered map. A map is a type that associates values to keys. This type is optimized for several different uses; it can be treated ...

array_key_exists - Manual - PHP

www.php.net › manual › function.array-...

array_key_exists() returns true if the given key is set in the array. key can be any value possible for an array index. Parameters ¶. key. Value to check.

array_map - Manual - PHP

www.php.net › function.array-map.php

Returns an array containing the results of applying the callback function to the corresponding value of array (and arrays if more arrays are provided) used as ...

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array_walk - Manual - PHP

www.php.net › function.array-walk.php

It's worth nothing that array_walk can not be used to change keys in the array. The function may be defined as (&$value, $key) but not (&$value, &$key). Even ...

Array_walk · Array_walk_recursive · Iterator_apply

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array_search - Manual - PHP

www.php.net › function.array-search.php

Returns the key for needle if it is found in the array, false otherwise. If needle is found in haystack more than once, the first matching key is returned. To ...

In_array · Array_search · Array_keys · Array_values

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