DOC-5670 added PHP hash examples

Author: andy-stark-redis

local_examples/php/DtHashTest.php

@@ -0,0 +1,120 @@
+// EXAMPLE: hash_tutorial
+<?php
+
+require 'vendor/autoload.php';
+
+use Predis\Client as PredisClient;
+
+class DtHashTest
+// REMOVE_START
+extends PredisTestCase
+// REMOVE_END
+{
+    public function testDtHash() {
+        $r = new PredisClient([
+            'scheme'   => 'tcp',
+            'host'     => '127.0.0.1',
+            'port'     => 6379,
+            'password' => '',
+            'database' => 0,
+        ]);
+        // REMOVE_START
+        $r->flushall();
+        // REMOVE_END
+
+        // STEP_START set_get_all
+        $res1 = $r->hmset('bike:1', [
+            'model' => 'Deimos',
+            'brand' => 'Ergonom',
+            'type' => 'Enduro bikes',
+            'price' => 4972,
+        ]);
+
+        echo $res1 . PHP_EOL;
+        // >>> 4
+
+        $res2 = $r->hget('bike:1', 'model');
+        echo $res2 . PHP_EOL;
+        // >>> Deimos
+
+        $res3 = $r->hget('bike:1', 'price');
+        echo $res3 . PHP_EOL;
+        // >>> 4972
+
+        $res4 = $r->hgetall('bike:1');
+        echo json_encode($res3) . PHP_EOL;
+        // >>> {"name":"Deimos","brand":"Ergonom","type":"Enduro bikes","price":"4972"}
+        // STEP_END
+        // REMOVE_START
+        $this->assertEquals('OK', $res1);
+        $this->assertEquals('Deimos', $res2);
+        $this->assertEquals('4972', $res3);
+        $this->assertEquals(
+            ['model' => 'Deimos', 'brand' => 'Ergonom', 'type' => 'Enduro bikes', 'price' => '4972'],
+            $res4
+        );
+        // REMOVE_END
+
+        // STEP_START hmget
+        $res5 = $r->hmget('bike:1', ['model', 'price']);
+        echo json_encode($res5) . PHP_EOL;
+        // >>> ["Deimos","4972"]
+        // STEP_END
+        // REMOVE_START
+        $this->assertEquals(['Deimos', '4972'], $res5);
+        // REMOVE_END
+
+        // STEP_START hincrby
+        $res6 = $r->hincrby('bike:1', 'price', 100);
+        echo $res6 . PHP_EOL;
+        // >>> 5072
+
+        $res7 = $r->hincrby('bike:1', 'price', -100);
+        echo $res7 . PHP_EOL;
+        // >>> 4972
+        // STEP_END
+        // REMOVE_START
+        $this->assertEquals(5072, $res6);
+        $this->assertEquals(4972, $res7);
+        // REMOVE_END
+
+        // STEP_START incrby_get_mget
+        $res8 = $r->hincrby('bike:1:stats', 'rides', 1);
+        echo $res8 . PHP_EOL;
+        // >>> 1
+
+        $res9 = $r->hincrby('bike:1:stats', 'rides', 1);
+        echo $res9 . PHP_EOL;
+        // >>> 2
+
+        $res10 = $r->hincrby('bike:1:stats', 'rides', 1);
+        echo $res10 . PHP_EOL;
+        // >>> 3
+
+        $res11 = $r->hincrby('bike:1:stats', 'crashes', 1);
+        echo $res11 . PHP_EOL;
+        // >>> 1
+
+        $res12 = $r->hincrby('bike:1:stats', 'owners', 1);
+        echo $res12 . PHP_EOL;
+        // >>> 1
+
+        $res13 = $r->hget('bike:1:stats', 'rides');
+        echo $res13 . PHP_EOL;
+        // >>> 3
+
+        $res14 = $r->hmget('bike:1:stats', ['crashes', 'owners']);
+        echo json_encode($res14) . PHP_EOL;
+        // >>> ["1","1"]
+        // STEP_END
+        // REMOVE_START
+        $this->assertEquals(1, $res8);
+        $this->assertEquals(2, $res9);
+        $this->assertEquals(3, $res10);
+        $this->assertEquals(1, $res11);
+        $this->assertEquals(1, $res12);
+        $this->assertEquals(3, $res13);
+        $this->assertEquals([1, 1], $res14);
+        // REMOVE_END
+    }
+}