dechex():hexadecimal equivalent of decimal number

<?Php
echo dechex(2); // Output 2 
echo "<br>";
echo dechex(25); // Output 19 
echo "<br>";
echo dechex(200); // Output is c8
echo "<br>";
echo dechex(358); // Output is 166
echo "<br>";
echo dechex(2000); // Output is 7d0
?>

string dechex(int $number);

Example 1: Converting Large Decimal Numbers

<?php
echo dechex(10000);  // Output: 2710
?>

Example 2: Converting Negative Numbers

<?php
echo dechex(-255);  // Output: ffffff01 (two's complement representation)
?>

Example 3: Converting Multiple Decimal Numbers

<?php
$numbers = [15, 255, 4096];
foreach ($numbers as $num) {
    echo dechex($num) . "<br>";
}
?>

Example 4: Converting Decimal to Hexadecimal with Padding

<?php
$number = 255;
echo str_pad(dechex($number), 4, '0', STR_PAD_LEFT);  // Output: 00ff
?>

Example 5: Hexadecimal Conversion in a Loop

<?php
for ($i = 0; $i <= 10; $i++) {
    echo "Decimal: $i => Hex: " . dechex($i) . "<br>";
}
?>