<?php
for ($i = 0; $i <= 100; $i = $i + 10) {
echo $i;
}
echo "\n";
for ($i = 0; $i <= 100; $i = $i + 10) {
echo $i;
}
echo "\n";
for ($i = 0; $i <= 100; $i+=10) {
echo $i;
}
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