Loops repeat a block while a counter changes.

Loops

loops.php
<?php
$limit = ;
$total = 0;

for ($number = 1; $number <= $limit; $number++) {
    $total += $number;
}

echo "limit=" . $limit . "\n";
echo "total=" . $total . "\n";
<?php
$limit = ;
$total = 0;

for ($number = 1; $number <= $limit; $number++) {
    $total += $number;
}

echo "limit=" . $limit . "\n";
echo "total=" . $total . "\n";
<?php
$limit = ;
$total = 0;

for ($number = 1; $number <= $limit; $number++) {
    $total += $number;
}

echo "limit=" . $limit . "\n";
echo "total=" . $total . "\n";
for loop A `for` loop can initialize a counter, test a condition, and update the counter after each pass.