PHP Test

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Redis->lRange()

Testing

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<?php
function minOrMax(&$which, $a, $b) {
    if (rand(1, 2) == 1) {
        $which = "MAX";
        return max($a, $b);
    } else {
        $max = "MIN";
        return min($a, $b);
    }
}
$obj_r = new Redis();
$obj_r->connect('127.0.0.1', 6379);
$obj_r->del('messages');
for ($n = 0; $n < 10; $n++) {
    $a = rand(1, 1000);
    $b = rand(1, 1000);
    $ret = minOrMax($which, $a, $b);
    $msg = "$which($a, $b) = $ret";
    $obj_r->rpush('messages', $msg);
}
foreach ($obj_r->lRange('messages', 0, -1) as $msg) {
    echo "Entry: $msg\n";
}
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Redis->zRange()

Testing

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<?php
function minOrMax(&$which, $a, $b) {
    if (rand(1, 2) == 1) {
        $which = "MAX";
        return max($a, $b);
    } else {
        $max = "MIN";
        return min($a, $b);
    }
}
$obj_r = new Redis();
$obj_r->connect('127.0.0.1', 6379);
$obj_r->del('zmessages');
for ($n = 0; $n < 10; $n++) {
    $a = rand(1, 1000);
    $b = rand(1, 1000);
    $ret = minOrMax($which, $a, $b);
    $msg = "$which($a, $b) = $ret";
    $obj_r->zAdd('zmessages', $ret, $msg);
}
foreach ($obj_r->zRange('zmessages', 0, -1, true) as $entry => $score) {
    echo "$entry: $score\n";
}
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Redis->getBit()

Redis->getBit($str_key, $i_position): int

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<?php
$obj_r = new Redis();
$obj_r->connect('127.0.0.1', 6379);
// 0111 1111
$obj_r->set('key', "\x7f");
/* Should print: 0 */
echo $obj_r->getBit('key', 0) . "\n";
/* Should print: 1 */
echo $obj_r->getBit('key', 1) . "\n";
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Redis->scan()

Redis->scan(&$it [, $str_pattern, $count]): array

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<?php
$obj_r = new Redis();
$obj_r->connect('127.0.0.1', 6379);
/* Without enabling Redis::SCAN_RETRY (default condition) */
$it = NULL;
do {
    // Scan for some keys
    $arr_keys = $obj_r->scan($it);
    // Redis may return empty results, so protect against that
    if ($arr_keys !== FALSE) {
        foreach($arr_keys as $str_key) {
            echo "Here is a key: $str_key\n";
        }
    }
} while ($it > 0);
echo "No more keys to scan!\n";
/* With Redis::SCAN_RETRY enabled */
$obj_r->setOption(Redis::OPT_SCAN, Redis::SCAN_RETRY);
$it = NULL;
/* phpredis will retry the SCAN command if empty results are returned from the
   server, so no empty results check is required. */
while ($arr_keys = $obj_r->scan($it)) {
    foreach ($arr_keys as $str_key) {
        echo "Here is a key: $str_key\n";
    }
}
echo "\nNo more keys to scan! \o/\n";
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