Reverse string without strrev

Question

Some time ago during a job interview I got the task to reverse a string in PHP without using strrev.

My first solution was something like this:

Answer 1

You can use this code to reverse a string without using the reserved function in php.

Code:

=0; $x--) {
       $y .= $y[$x];
       $y[$x] = NULL;
 }

echo $y;

}
str_rev("I am a student");
?>

Output:

tneduts a ma I

In the above code, we have passed the value of the string as the parameter.We have performed the string reversal using for loop.