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In this article Xiaobian introduces in detail "how to use array_diff function to remove elements in php", the content is detailed, the steps are clear, and the details are handled properly. I hope that this article "how to use array_diff function to remove elements in php" can help you solve your doubts.

1. The array_diff () function is used to compare the values of two (or more) arrays and return the difference.

Grammar

Array_diff (array1,array2,array3...)

2. Array_diff () compares the values of two (or more) arrays (value in key= > value) and returns a subtractive array; the subtractive array includes all values in the compared array (array1) but not in any other parameter array (array2 or array3, etc.).

Example

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