PHP array_udiff() is an inbuilt function that compares the values of two or more arrays and returns the differences. The function compares the array values.
PHP array_udiff() is an inbuilt function that compares the values of two or more arrays and returns the differences. The array_udiff() function uses the user-defined function to compare the values. The function compares the values of two (or more) arrays, and return the array that contains the elements from array1 that are not present in the array2 *or *array3, etc.
The array_udiff() is the inbuilt function and used for distinguishing between the two or more arrays.
The array_udiff() function compares the different values of two or more arrays by use of user-defined function data comparison and returns the differences.
array_udiff(array1, array2, array3, ..., myfunction)
The array1 parameter is required. The array to compare from.
The array2 parameter is required and an array to compare against.
The array3 parameter is Optional and more arrays to compare against.
The myfunction is required, and a string that defines the callable comparison function. The comparison function must return the integer <, =, or > than 0 if the first argument is <, =, or > than the second argument.
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