PHP Exercises: Decapitalize the first letter of the string and then adds it with rest of the string

Last update on May 27 2025 13:08:22 (UTC/GMT +8 hours)

97. Decapitalize the First Letter

Write a PHP program to decapitalize the first letter of the string and then adds it with rest of the string.

Sample Solution:

PHP Code:

<?php
// Licence: https://bit.ly/2CFA5XY

// Function definition for 'decapitalize' that takes a string and an optional parameter '$upperRest' (default is false)
function decapitalize($string, $upperRest = false)
{
    // Use 'lcfirst' to convert the first character of the string to lowercase
    // Use 'strtoupper' if '$upperRest' is true, otherwise keep the string as it is
    return lcfirst($upperRest ? strtoupper($string) : $string);
}

// Call 'decapitalize' with a string and display the result using 'print_r'
print_r(decapitalize('Python'));

?>

Explanation:

Function Definition:

The decapitalize function is defined with two parameters:

$string: the input string to be modified.
$upperRest: an optional boolean parameter, defaulting to false.

Decapitalizing the First Character:

The function uses lcfirst($string) to convert the first character of the string to lowercase.

Uppercase Condition:

If $upperRest is true, the entire string is converted to uppercase using strtoupper($string) before applying lcfirst.

Return Statement:

The function returns the modified string, either with the first character in lowercase and the rest unchanged or all characters in uppercase with the first in lowercase if $upperRest is true.

Function Call and Output:

The function is called with the string 'Python', and the result is displayed using print_r. This outputs python, since the first character is converted to lowercase.

Output:

python

Flowchart:

For more Practice: Solve these Related Problems:

Write a PHP script to change the first character of a string to lowercase and output the modified string.
Write a PHP function to decapitalize the initial letter of an input word while preserving the remainder.
Write a PHP script to convert the first character of a string to lowercase using substr and concatenation.
Write a PHP script to process a string so that only the first character is decapitalized and the rest remains unchanged.

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PHP Code Editor:

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