$arr = array("php", "c", "c++", "c#", "go", "java", "python");
$element_arr = array("c#", "go", "pyton");
$arr = array_values(array_diff($arr, $element_arr));
print_r($arr);
/*
run:
Array
(
[0] => php
[1] => c
[2] => c++
[3] => java
[4] => python
)
*/