PHP array_column() function returns an array that contains the values from the single column of an input array, identified by column_number.
PHP array_column() is an inbuilt function that returns the values from the single column in an input array. The array_column() function is used to return the values from a single column in the input array.
The function returns an array that contains the values from the single column of an input array, identified by column_number. Optionally, the index_key may also be provided to index the values in the returned array by the values from an index_key column of an input array.
See the following syntax.
array_column(array, column_key, index_key)
The array is a required parameter, and it specifies a multi-dimensional array (record-set) to use.
As of PHP 7.0, the array can also be an array of objects.
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