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Array_diff | | Array_diff_key | | Array_diff_assoc

Source: Internet
Author: User
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Compares the differences of two arrays, whichever is the first array.

Array_diff (arr1, ARR2)

= = = Returns a data standard that appears only in arr1 but does not appear in ARR2 is a value not a key

Array_diff_key (arr1, ARR2)

= = = Returns a data standard that appears only in arr1 but does not appear in ARR2 is a key is not a value

Array_diff_assoc (arr1, ARR2)

= = = Returns a data standard that appears only in arr1 but does not appear in ARR2 is the key and the value

Array_diff | | Array_diff_key | | Array_diff_assoc

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