php redis append, strlen, increment decrement

redis_incr_decr_append.php

<?php

/**
 * @author andidepe11@gmail.com
 */

// Instantiate Class Redis dan koneksikan php dengan redis
$redis = new Redis();
$redis->connect('127.0.0.1');


/** 
 * || ====== APPEND command example ======= ||
 */

echo "#APPEND <br>";

// Simpan nilai "Hallo" ke key "keyku"
$redis->set('keyku', 'Hallo');

// Append nilai ' Dunia Maya' ke key "keyku"
$redis->append('keyku', ' Dunia Maya');

// Dapatkan nilai dari key "keyku" dan print ke layar
echo $redis->get('keyku');

echo "</br></br>";


/** 
 * || ====== STRLEN command example ======= ||
 */

echo "#STRLEN <br>";

// Simpan nilai "Kegagalan adalah sukses yang tertunda" ke key "kata-mutiara"
$redis->set('kata-mutiara', 'Kegagalan adalah sukses yang tertunda');

$kataMutiara = $redis->strlen('kata-mutiara');

$getKataMutiara = $redis->get('kata-mutiara');

echo "Kata mutiara hari ini: <i>" . $getKataMutiara . "</i>, panjang string kata mutiara = " . $kataMutiara ; 

echo "<br><br>";


/** 
 * || ====== INCR command example ======= ||
 */

echo "#INCR <br>";

// Simpan nilai "100" ke key "key_incr"
$redis->set('key_incr','100');

// Increment key "key_incr" sebanyak duakali
$redis->incr('key_incr');
$redis->incr('key_incr');

// Peroleh key "key_incr" yang telah diincrement duakali dan print ke layar
echo $redis->get('key_incr');

echo "<br><br>";


/** 
 * || ====== INCRBY command example ======= ||
 */

echo "#INCRBY <br>";

// Simpan nilai "100" ke key "keyku"
$redis->set('keyku','100');

// Increment key "key_incr" sebanyak duakali
$redis->incrby('keyku', '5');
$redis->incrby('keyku', '5');

// Peroleh key "key_incr" yang telah diincrement duakali dan print ke layar
echo $redis->get('keyku');

echo "<br><br>";


/** 
 * || ====== DECR command example ======= ||
 */

echo "#DECR <br>";

// Simpan nilai "100" ke key "key_decr"
$redis->set('key_decr','100');

// Decrement key "key_decr" sebanyak duakali
$redis->decr('key_decr');
$redis->decr('key_decr');

// Peroleh key "key_decr" yang telah didecrement duakali dan print ke layar
echo $redis->get('key_decr');

echo "<br><br>";


/** 
 * || ====== DECRBY command example ======= ||
 */

echo "#DECRBY <br>";

// Simpan nilai "100" ke key "keyku"
$redis->set('keyku', '100');

// Decrement key "keyku" sebanyak duakali oleh nilai "5"
$redis->decrby('keyku', '5');
$redis->decrby('keyku', '5');

// Peroleh key "keyku" yang telah didecrement duakali dan print ke layar
echo $redis->get('keyku');

echo "<br><br>";