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Online Sandbox for SQL and PHP: Write, Run, Test, and Share SQL Queries and PHP Code
<?php
$from = 100;
$to = 300;
$len = 7;
for($i=$from; $i<=$to; $i++) {
//$link = sprintf("site.php?id=%0{$len}s", $i);
$link = "site.php?id=" . str_pad($i, $len, '0', STR_PAD_LEFT);
// file_get_contents($link);
echo $link. PHP_EOL;
}