How to delete an array in php

php method to delete an array: 1. Use the unset function to delete an array element and keep the original index unchanged; 2. Use the "array_splice" function to delete an array element without keeping the index; 3. Use The "array_diff" function removes multiple elements by value, keeping the index.

php delete array:

Delete an element and keep the original index unchanged

• Use unset function

Using unset does not change the original index of the array. If you plan to rearrange the index (so that the index starts from 0 and is continuous), you can use the array_values ​​function

• to delete an element without keeping the index

Use the array_splice function

• Delete multiple elements by value, keeping the index

Using array_diff function

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