Reverse String

A string can be reversed either using strrev() function or simple PHP code.

For example, on reversing JAVATPOINT it will become TNIOPTAVAJ.

Logic:

Assign the string to a variable.
Calculate length of the string.
Declare variable to hold reverse string.
Run for loop.
Concatenate string inside for loop.
Display reversed string.

Reverse String using strrev() function

A reverse string program using strrev() function is shown.

Example:

<?php
$string = "JAVATPOINT";
echo "Reverse string of $string is " .strrev ( $string );
?>

Output:

Reverse String Without using strrev() function

A reverse string program without using strrev() function is shown.

Example:

<?php
$string = "JAVATPOINT";
$length = strlen($string);
for ($i=($length-1) ; $i >= 0 ; $i--) 
{
  echo $string[$i];
}
?>

Output:

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