Php Array Diff Keys. This function is like array diff function except the comparison is done based on the keys instead of the values. If a search value is specified then only the keys for that value are returned.
Array keys returns the keys numeric and string from the array. Array diff array1 array2 array3 parameter. The keys which are available in array1 and not available in array2 array3 etc.
A array a 1 b 2 c 3.
This function is like array diff except the comparison is done on the keys instead of the values. Else compare noninteger keys. If you re looking for a true array diff assoc comparing arrays to determine the difference between two finding missing values from both you can use this along with array merge. Array keys returns the keys numeric and string from the array.
