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Online Sandbox for SQL and PHP: Write, Run, Test, and Share SQL Queries and PHP Code
<?php
echo round(memory_get_usage()/1024)."K\n";
$about = str_repeat('x', 1024*500);
echo round(memory_get_usage()/1024)."K\n";
echo $about;
echo "\n";
echo round(memory_get_peak_usage()/1024)."\n";