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vendor/alibabacloud/oss-v2/sample/DoMetaQuery.php

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+<?php
+
+require_once __DIR__ . '/../vendor/autoload.php';
+
+use AlibabaCloud\Oss\V2 as Oss;
+
+// parse args
+$optsdesc = [
+    "region" => ['help' => 'The region in which the bucket is located.', 'required' => True],
+    "endpoint" => ['help' => 'The domain names that other services can use to access OSS.', 'required' => False],
+    "bucket" => ['help' => 'The name of the bucket', 'required' => True],
+];
+$longopts = \array_map(function ($key) {
+    return "$key:";
+}, array_keys($optsdesc));
+$options = getopt("", $longopts);
+foreach ($optsdesc as $key => $value) {
+    if ($value['required'] === True && empty($options[$key])) {
+        $help = $value['help'];
+        echo "Error: the following arguments are required: --$key, $help";
+        exit(1);
+    }
+}
+
+$region = $options["region"];
+$bucket = $options["bucket"];
+
+// Loading credentials values from the environment variables
+$credentialsProvider = new Oss\Credentials\EnvironmentVariableCredentialsProvider();
+
+// Using the SDK's default configuration
+$cfg = Oss\Config::loadDefault();
+$cfg->setCredentialsProvider($credentialsProvider);
+$cfg->setRegion($region);
+if (isset($options["endpoint"])) {
+    $cfg->setEndpoint($options["endpoint"]);
+}
+
+$client = new Oss\Client($cfg);
+
+// case 1:meta search
+$request = new \AlibabaCloud\Oss\V2\Models\DoMetaQueryRequest($bucket, new \AlibabaCloud\Oss\V2\Models\MetaQuery(
+    maxResults: 5,
+    query: "{'Field': 'Size','Value': '1048576','Operation': 'gt'}",
+    sort: 'Size',
+    order: \AlibabaCloud\Oss\V2\Models\MetaQueryOrderType::ASC,
+    aggregations: new \AlibabaCloud\Oss\V2\Models\MetaQueryAggregations(
+    [
+        new \AlibabaCloud\Oss\V2\Models\MetaQueryAggregation(
+            field: 'Size',
+            operation: 'sum'
+        ),
+        new \AlibabaCloud\Oss\V2\Models\MetaQueryAggregation(
+            field: 'Size',
+            operation: 'max'
+        ),
+    ]
+),
+));
+$result = $client->doMetaQuery($request);
+printf(
+    'status code:' . $result->statusCode . PHP_EOL .
+    'request id:' . $result->requestId . PHP_EOL .
+    'result:' . var_export($result, true)
+);
+
+// case 2: ai search
+/*$request = new Oss\Models\DoMetaQueryRequest($bucket, new Oss\Models\MetaQuery(
+    maxResults: 99,
+    query: "Overlook the snow-covered forest",
+    mediaTypes: new Oss\Models\MetaQueryMediaTypes('image'),
+    simpleQuery: '{"Operation":"gt", "Field": "Size", "Value": "30"}',
+), 'semantic');
+
+$result = $client->doMetaQuery($request);
+printf(
+    'status code:' . $result->statusCode . PHP_EOL .
+    'request id:' . $result->requestId . PHP_EOL .
+    'result:' . var_export($result, true)
+);*/