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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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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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_diff_ukey — Computes the difference of arrays using a callback function on the keys for comparison ... documentation for them here: https ... My PHP.net ...
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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 ...
Fills an array with the value of the value parameter, using the values of the keys array as keys. Parameters. keys. Array of values that will be used as keys.
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An array. Return Values ¶. Returns the last key of array if the array is not empty; null otherwise.
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Returns the first key of array if the array is not empty; null otherwise. Examples ¶. Example #1 Basic array_key_first() Usage. <?php $array ...
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- Return all the keys or a subset of the keys of an array ... Since it's the second element of the produced array by the array_column() function. ... Other PHP.net ...
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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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