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PYTHON array_intersect_key
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Python replacement for PHP's array_intersect_key
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def dict_intersect_keys(dict1, *dicts): ''' returns an dict containing all the entries of dict1 which have keys that are present in all other dicts. :param dict1: dict with master keys to check :type dict1: dict :param \*dicts: dicts to compare keys against :type \*dicts: dict :return: dict containing all the entries of dict1 which have keys that are present in all other dicts :rtype: dict ''' keys = dict1.viewkeys() for dict in dicts: keys &= dict.viewkeys() return {k: dict1[k] for k in keys} array_intersect_key(PHP 5 >= 5.1.0) array_intersect_key — Computes the intersection of arrays using keys for comparison Description
array array_intersect_key
( array $array1
, array $array2
[, array $ ...
] )
array_intersect_key() returns an array containing all the values of array1 which have matching keys that are present in all the arguments. Parameters
Return ValuesReturns an associative array containing all the values of array1 which have matching keys that are present in all arguments. Examples
Example #1 array_intersect_key() example
<?php The above example will output: array(2) { ["blue"]=> int(1) ["green"]=> int(3) }
In our example you see that only the keys 'blue' and 'green' are present in both arrays and thus returned. Also notice that the values for the keys 'blue' and 'green' differ between the two arrays. A match still occurs because only the keys are checked. The values returned are those of array1 . The two keys from the key => value pairs are considered equal only if (string) $key1 === (string) $key2 . In other words a strict type check is executed so the string representation must be the same. See Also
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