Arrays and string functions are essential in PHP development.

• Array functions: array_push(), array_pop(), array_merge(), array_slice()

• String functions: strlen(), str_replace(), strpos(), strtolower()

• Ex...read more

array are function type

1 count

2 sort

3 rsort

string are squence of character

1 strln()

2 reverse()

3 rand()

4 trim()

5 count_word