PHP String Exercises: Convert the value of a PHP variable to string

Last update on June 02 2025 13:01:42 (UTC/GMT +8 hours)

4. Convert Variable to String

Write a PHP script to convert the value of a PHP variable to string.

Visual Presentation:

Sample Solution:

PHP Code:

<?php
$x =  20;            // Assigns the integer value 20 to the variable $x
$str1 = (string)$x;  // Converts the integer $x to a string and assigns it to $str1
// Check whether $x and $str1 are equal or not
if ($x === $str1)    // Compares $x and $str1 for both value and type
{
  echo "They are the same"."\n"; // Prints if $x and $str1 are identical
}
else
{
  echo "They are not same"."\n"; // Prints if $x and $str1 are not identical
}
?>

Output:

They are not same

Explanation:

In the above PHP code, '$x' is an integer with a value of 20, which is then converted to a string and stored in '$str1'. The code then compares '$x' and '$str1' to see if they are identical in both value and type. If they are identical, it prints "They are the same"; otherwise, it prints "They are not same".

Flowchart :

For more Practice: Solve these Related Problems:

• Write a PHP function that accepts a variable of any type and returns its string representation using type juggling and explicit casting.
• Write a PHP script to convert an array, object, or number to a string and then concatenate it with a predefined message.
• Write a PHP program that demonstrates converting a boolean or null value to a string and outputs the result.
• Write a PHP script to serialize a complex variable into a string and then unserialize it back to verify integrity.

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