PHP function Exercises: Checks whether a string is all lower case
PHP function: Exercise-5 with Solution
Write a PHP function that checks whether a string is all lower case.
Pictorial Presentation:

Sample Solution:
PHP Code:
<?php
function is_str_lowercase($str1)
{
for ($sc = 0; $sc < strlen($str1); $sc++) {
if (ord($str1[$sc]) >= ord('A') &&
ord($str1[$sc]) <= ord('Z')) {
return false;
}
}
return true;
}
var_dump(is_str_lowercase('abc def ghi'));
var_dump(is_str_lowercase('abc dEf ghi'));
?>
Sample Output:
bool(true) bool(false)
Flowchart :

PHP Code Editor:
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Next: Write a PHP function that checks whether a passed string is a palindrome or not?
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PHP: Tips of the Day
Formatting a number with leading zeros in PHP
Use sprintf :
sprintf('%08d', 1234567);
Alternatively you can also use str_pad:
str_pad($value, 8, '0', STR_PAD_LEFT);
Ref : https://bit.ly/3fS2OLd
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