How can a variable of type Integer be defined in PHP to have exactly 2 digits (00-99)?

To define a variable of type Integer in PHP with exactly 2 digits (00-99), you can use the range function to restrict the values within the desired range. You can also use the str_pad function to ensure that the integer is always represented with 2 digits by padding with zeros if necessary. 

$number = mt_rand(0, 99); // Generate a random integer between 0 and 99
$number = str_pad($number, 2, '0', STR_PAD_LEFT); // Ensure that the integer has 2 digits
echo $number; // Output the integer with exactly 2 digits

Keywords

PHP integer variable format validation

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