accesslib_roledefs_benchmark

accesslib_roledefs_benchmark.php

<?php

define('CLI_SCRIPT', true);
require_once __DIR__.'/config.php';

$t = microtime(true);
$size = 0;

for ($i = 1; $i <= 1000; $i++) {
    $user = $DB->get_record_sql("SELECT * FROM {user} WHERE id = :id", array('id' => $i));
    $ad = get_user_accessdata($user->id);
    $size += strlen(serialize($ad));
}

$t = microtime(true) - $t;

echo "Time: ".number_format($t, 2)."s\n";
echo "PMU: ".memory_get_peak_usage()."\n";
echo "Accessdata sum: $size\n";

generate_overrides.php

<?php

define('CLI_SCRIPT', true);
require_once __DIR__.'/config.php';

$n = 200000;
$max = round(sqrt($n));

for ($i = 0; $i < $max; $i++) {
    echo "\r".number_format(100*$i/$max, 0)."%";
    $cap = $DB->get_field_sql("SELECT name FROM {capabilities} ORDER BY random() LIMIT 1");
    for ($k = 0; $k < $max; $k++) {
        $id = $DB->get_field_sql("SELECT id FROM {context} WHERE contextlevel >= 50 ORDER BY random() LIMIT 1");
        $context = context::instance_by_id($id);
        assign_capability($cap, CAP_ALLOW, 4, $context, true);
        assign_capability($cap, CAP_PROHIBIT, 5, $context, true);
        $context->mark_dirty();
    }
}
echo "\n";