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Online Sandbox for SQL and PHP: Write, Run, Test, and Share SQL Queries and PHP Code
<?php
echo 'start ', round(memory_get_usage() / 1024), PHP_EOL;
$mem = aza::za($pdo);
echo 'finish ', round(memory_get_usage() / 1024), PHP_EOL;
echo 'actually used ', round($mem / 1024), PHP_EOL;
class aza {
public static function za($pdo) {
$stmt = $pdo->query("SELECT REPEAT(' ', 1024 * 1024) big");
$row = $stmt->fetch();
return memory_get_usage();
}
}