diff --git a/bigquery/api/snippets/browse_table.php b/bigquery/api/snippets/browse_table.php
index 8d9ee4824e..74734b6a7a 100644
--- a/bigquery/api/snippets/browse_table.php
+++ b/bigquery/api/snippets/browse_table.php
@@ -25,7 +25,7 @@
 require_once __DIR__ . '/../vendor/autoload.php';
 
 if (count($argv) < 4 || count($argv) > 5) {
-    return print("Usage: php snippets/browse_table.php PROJECT_ID DATASET_ID TABLE_ID [NUM_RESULTS]\n");
+    return printf("Usage: php %s PROJECT_ID DATASET_ID TABLE_ID [NUM_RESULTS]\n", __FILE__);
 }
 list($_, $projectId, $datasetId, $tableId) = $argv;
 $maxResults = isset($argv[4]) ? $argv[4] : 10;
diff --git a/bigquery/api/snippets/copy_table.php b/bigquery/api/snippets/copy_table.php
index 2e3ec7491c..6157633f4e 100644
--- a/bigquery/api/snippets/copy_table.php
+++ b/bigquery/api/snippets/copy_table.php
@@ -25,7 +25,7 @@
 require_once __DIR__ . '/../vendor/autoload.php';
 
 if (count($argv) != 5) {
-    return print("Usage: php snippets/copy_table.php PROJECT_ID DATASET_ID SOURCE_TABLE_ID DESTINATION_TABLE_ID\n");
+    return printf("Usage: php %s PROJECT_ID DATASET_ID SOURCE_TABLE_ID DESTINATION_TABLE_ID\n", __FILE__);
 }
 list($_, $projectId, $datasetId, $sourceTableId, $destinationTableId) = $argv;
 
diff --git a/bigquery/api/snippets/create_dataset.php b/bigquery/api/snippets/create_dataset.php
index 92a5546662..46f07eeb59 100644
--- a/bigquery/api/snippets/create_dataset.php
+++ b/bigquery/api/snippets/create_dataset.php
@@ -25,7 +25,7 @@
 require_once __DIR__ . '/../vendor/autoload.php';
 
 if (count($argv) != 3) {
-    return print("Usage: php snippets/create_dataset.php PROJECT_ID DATASET_ID\n");
+    return printf("Usage: php %s PROJECT_ID DATASET_ID\n", __FILE__);
 }
 list($_, $projectId, $datasetId) = $argv;
 
diff --git a/bigquery/api/snippets/create_table.php b/bigquery/api/snippets/create_table.php
index 43607b6ba6..0c8e69e672 100644
--- a/bigquery/api/snippets/create_table.php
+++ b/bigquery/api/snippets/create_table.php
@@ -25,7 +25,7 @@
 require_once __DIR__ . '/../vendor/autoload.php';
 
 if (count($argv) < 4 || count($argv) > 5) {
-    return print("Usage: php snippets/create_table.php PROJECT_ID DATASET_ID TABLE_ID [FIELDS]\n");
+    return printf("Usage: php %s PROJECT_ID DATASET_ID TABLE_ID [FIELDS]\n", __FILE__);
 }
 list($_, $projectId, $datasetId, $tableId) = $argv;
 $fields = isset($argv[4]) ? json_decode($argv[4]) : [['name' => 'field1', 'type' => 'string']];
diff --git a/bigquery/api/snippets/delete_dataset.php b/bigquery/api/snippets/delete_dataset.php
index e6a83b5d38..54fb0e1e99 100644
--- a/bigquery/api/snippets/delete_dataset.php
+++ b/bigquery/api/snippets/delete_dataset.php
@@ -25,7 +25,7 @@
 require_once __DIR__ . '/../vendor/autoload.php';
 
 if (count($argv) > 3) {
-    return print("Usage: php snippets/delete_dataset.php PROJECT_ID DATASET_ID\n");
+    return printf("Usage: php %s PROJECT_ID DATASET_ID\n", __FILE__);
 }
 list($_, $projectId, $datasetId) = $argv;
 
diff --git a/bigquery/api/snippets/delete_table.php b/bigquery/api/snippets/delete_table.php
index 91b87320ab..f3ab2ac773 100644
--- a/bigquery/api/snippets/delete_table.php
+++ b/bigquery/api/snippets/delete_table.php
@@ -25,7 +25,7 @@
 require_once __DIR__ . '/../vendor/autoload.php';
 
 if (count($argv) != 4) {
-    return print("Usage: php snippets/delete_table.php PROJECT_ID DATASET_ID TABLE_ID\n");
+    return printf("Usage: php %s PROJECT_ID DATASET_ID TABLE_ID\n", __FILE__);
 }
 list($_, $projectId, $datasetId, $tableId) = $argv;
 
diff --git a/bigquery/api/snippets/extract_table.php b/bigquery/api/snippets/extract_table.php
index 13825f8b9e..52564ab207 100644
--- a/bigquery/api/snippets/extract_table.php
+++ b/bigquery/api/snippets/extract_table.php
@@ -25,7 +25,7 @@
 require_once __DIR__ . '/../vendor/autoload.php';
 
 if (count($argv) < 6 || count($argv) > 7) {
-    return print("Usage: php snippets/extract_table.php PROJECT_ID DATASET_ID TABLE_ID BUCKET_NAME OBJECT_NAME [FORMAT]\n");
+    return printf("Usage: php %s PROJECT_ID DATASET_ID TABLE_ID BUCKET_NAME OBJECT_NAME [FORMAT]\n", __FILE__);
 }
 
 list($_, $projectId, $datasetId, $tableId, $bucketName, $objectName) = $argv;
diff --git a/bigquery/api/snippets/import_from_local_csv.php b/bigquery/api/snippets/import_from_local_csv.php
index aaf80a1bee..d12e117652 100644
--- a/bigquery/api/snippets/import_from_local_csv.php
+++ b/bigquery/api/snippets/import_from_local_csv.php
@@ -25,7 +25,7 @@
 require_once __DIR__ . '/../vendor/autoload.php';
 
 if (count($argv) != 5) {
-    return print("Usage: php snippets/import_from_local_csv.php PROJECT_ID DATASET_ID TABLE_ID SOURCE\n");
+    return printf("Usage: php %s PROJECT_ID DATASET_ID TABLE_ID SOURCE\n", __FILE__);
 }
 
 list($_, $projectId, $datasetId, $tableId, $source) = $argv;
diff --git a/bigquery/api/snippets/import_from_storage_csv.php b/bigquery/api/snippets/import_from_storage_csv.php
index 650cf64733..6cf47990b2 100644
--- a/bigquery/api/snippets/import_from_storage_csv.php
+++ b/bigquery/api/snippets/import_from_storage_csv.php
@@ -24,7 +24,7 @@
 // Include Google Cloud dependendencies using Composer
 require_once __DIR__ . '/../vendor/autoload.php';
 if (count($argv) != 3) {
-    return print("Usage: php snippets/import_from_storage.php PROJECT_ID DATASET_ID\n");
+    return printf("Usage: php %s PROJECT_ID DATASET_ID\n", __FILE__);
 }
 
 list($_, $projectId, $datasetId) = $argv;
diff --git a/bigquery/api/snippets/import_from_storage_csv_autodetect.php b/bigquery/api/snippets/import_from_storage_csv_autodetect.php
new file mode 100644
index 0000000000..1d7853ab94
--- /dev/null
+++ b/bigquery/api/snippets/import_from_storage_csv_autodetect.php
@@ -0,0 +1,66 @@
+<?php
+/**
+ * Copyright 2018 Google LLC.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * For instructions on how to run the full sample:
+ *
+ * @see https://github.com/GoogleCloudPlatform/php-docs-samples/tree/master/bigquery/api/README.md
+ */
+
+// Include Google Cloud dependendencies using Composer
+require_once __DIR__ . '/../vendor/autoload.php';
+if (count($argv) != 3) {
+    return printf("Usage: php %s PROJECT_ID DATASET_ID\n", __FILE__);
+}
+
+list($_, $projectId, $datasetId) = $argv;
+# [START bigquery_load_table_gcs_csv_autodetect]
+use Google\Cloud\BigQuery\BigQueryClient;
+use Google\Cloud\Core\ExponentialBackoff;
+
+/** Uncomment and populate these variables in your code */
+// $projectId  = 'The Google project ID';
+// $datasetId  = 'The BigQuery dataset ID';
+
+// instantiate the bigquery table service
+$bigQuery = new BigQueryClient([
+    'projectId' => $projectId,
+]);
+$dataset = $bigQuery->dataset($datasetId);
+$table = $dataset->table('us_states');
+
+// create the import job
+$gcsUri = 'gs://cloud-samples-data/bigquery/us-states/us-states.csv';
+$loadConfig = $table->loadFromStorage($gcsUri)->autodetect(true)->skipLeadingRows(1);
+$job = $table->runJob($loadConfig);
+// poll the job until it is complete
+$backoff = new ExponentialBackoff(10);
+$backoff->execute(function () use ($job) {
+    print('Waiting for job to complete' . PHP_EOL);
+    $job->reload();
+    if (!$job->isComplete()) {
+        throw new Exception('Job has not yet completed', 500);
+    }
+});
+// check if the job has errors
+if (isset($job->info()['status']['errorResult'])) {
+    $error = $job->info()['status']['errorResult']['message'];
+    printf('Error running job: %s' . PHP_EOL, $error);
+} else {
+    print('Data imported successfully' . PHP_EOL);
+}
+# [END bigquery_load_table_gcs_csv_autodetect]
diff --git a/bigquery/api/snippets/import_from_storage_csv_truncate.php b/bigquery/api/snippets/import_from_storage_csv_truncate.php
new file mode 100644
index 0000000000..35b8498756
--- /dev/null
+++ b/bigquery/api/snippets/import_from_storage_csv_truncate.php
@@ -0,0 +1,68 @@
+<?php
+/**
+ * Copyright 2018 Google LLC.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * For instructions on how to run the full sample:
+ *
+ * @see https://github.com/GoogleCloudPlatform/php-docs-samples/tree/master/bigquery/api/README.md
+ */
+
+// Include Google Cloud dependendencies using Composer
+require_once __DIR__ . '/../vendor/autoload.php';
+if (count($argv) != 4) {
+    return printf("Usage: php %s PROJECT_ID DATASET_ID TABLE_ID\n", __FILE__);
+}
+
+list($_, $projectId, $datasetId, $tableId) = $argv;
+# [START bigquery_load_table_gcs_csv_truncate]
+use Google\Cloud\BigQuery\BigQueryClient;
+use Google\Cloud\Core\ExponentialBackoff;
+
+/** Uncomment and populate these variables in your code */
+// $projectId = 'The Google project ID';
+// $datasetId = 'The BigQuery dataset ID';
+// $tableId = 'The BigQuery table ID';
+
+// instantiate the bigquery table service
+$bigQuery = new BigQueryClient([
+    'projectId' => $projectId,
+]);
+$table = $bigQuery->dataset($datasetId)->table($tableId);
+
+// create the import job
+$gcsUri = 'gs://cloud-samples-data/bigquery/us-states/us-states.csv';
+$loadConfig = $table->loadFromStorage($gcsUri)->skipLeadingRows(1)->writeDisposition('WRITE_TRUNCATE');
+$job = $table->runJob($loadConfig);
+
+// poll the job until it is complete
+$backoff = new ExponentialBackoff(10);
+$backoff->execute(function () use ($job) {
+    print('Waiting for job to complete' . PHP_EOL);
+    $job->reload();
+    if (!$job->isComplete()) {
+        throw new Exception('Job has not yet completed', 500);
+    }
+});
+
+// check if the job has errors
+if (isset($job->info()['status']['errorResult'])) {
+    $error = $job->info()['status']['errorResult']['message'];
+    printf('Error running job: %s' . PHP_EOL, $error);
+} else {
+    print('Data imported successfully' . PHP_EOL);
+}
+# [END bigquery_load_table_gcs_csv_truncate]
diff --git a/bigquery/api/snippets/import_from_storage_json.php b/bigquery/api/snippets/import_from_storage_json.php
index 21244a8215..647e5bcb20 100644
--- a/bigquery/api/snippets/import_from_storage_json.php
+++ b/bigquery/api/snippets/import_from_storage_json.php
@@ -24,7 +24,7 @@
 // Include Google Cloud dependendencies using Composer
 require_once __DIR__ . '/../vendor/autoload.php';
 if (count($argv) != 3) {
-    return print("Usage: php snippets/import_from_storage.php PROJECT_ID DATASET_ID\n");
+    return printf("Usage: php %s PROJECT_ID DATASET_ID\n", __FILE__);
 }
 
 list($_, $projectId, $datasetId) = $argv;
diff --git a/bigquery/api/snippets/import_from_storage_json_autodetect.php b/bigquery/api/snippets/import_from_storage_json_autodetect.php
new file mode 100644
index 0000000000..fbb3957e8d
--- /dev/null
+++ b/bigquery/api/snippets/import_from_storage_json_autodetect.php
@@ -0,0 +1,66 @@
+<?php
+/**
+ * Copyright 2018 Google LLC.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * For instructions on how to run the full sample:
+ *
+ * @see https://github.com/GoogleCloudPlatform/php-docs-samples/tree/master/bigquery/api/README.md
+ */
+
+// Include Google Cloud dependendencies using Composer
+require_once __DIR__ . '/../vendor/autoload.php';
+if (count($argv) != 3) {
+    return printf("Usage: php %s PROJECT_ID DATASET_ID\n", __FILE__);
+}
+
+list($_, $projectId, $datasetId) = $argv;
+# [START bigquery_load_table_gcs_json_autodetect]
+use Google\Cloud\BigQuery\BigQueryClient;
+use Google\Cloud\Core\ExponentialBackoff;
+
+/** Uncomment and populate these variables in your code */
+// $projectId  = 'The Google project ID';
+// $datasetId  = 'The BigQuery dataset ID';
+
+// instantiate the bigquery table service
+$bigQuery = new BigQueryClient([
+    'projectId' => $projectId,
+]);
+$dataset = $bigQuery->dataset($datasetId);
+$table = $dataset->table('us_states');
+
+// create the import job
+$gcsUri = 'gs://cloud-samples-data/bigquery/us-states/us-states.json';
+$loadConfig = $table->loadFromStorage($gcsUri)->autodetect(true)->sourceFormat('NEWLINE_DELIMITED_JSON');
+$job = $table->runJob($loadConfig);
+// poll the job until it is complete
+$backoff = new ExponentialBackoff(10);
+$backoff->execute(function () use ($job) {
+    print('Waiting for job to complete' . PHP_EOL);
+    $job->reload();
+    if (!$job->isComplete()) {
+        throw new Exception('Job has not yet completed', 500);
+    }
+});
+// check if the job has errors
+if (isset($job->info()['status']['errorResult'])) {
+    $error = $job->info()['status']['errorResult']['message'];
+    printf('Error running job: %s' . PHP_EOL, $error);
+} else {
+    print('Data imported successfully' . PHP_EOL);
+}
+# [END bigquery_load_table_gcs_json_autodetect]
diff --git a/bigquery/api/snippets/import_from_storage_json_truncate.php b/bigquery/api/snippets/import_from_storage_json_truncate.php
new file mode 100644
index 0000000000..6c9ed684e0
--- /dev/null
+++ b/bigquery/api/snippets/import_from_storage_json_truncate.php
@@ -0,0 +1,68 @@
+<?php
+/**
+ * Copyright 2018 Google LLC.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * For instructions on how to run the full sample:
+ *
+ * @see https://github.com/GoogleCloudPlatform/php-docs-samples/tree/master/bigquery/api/README.md
+ */
+
+// Include Google Cloud dependendencies using Composer
+require_once __DIR__ . '/../vendor/autoload.php';
+if (count($argv) != 4) {
+    return printf("Usage: php %s PROJECT_ID DATASET_ID TABLE_ID\n", __FILE__);
+}
+
+list($_, $projectId, $datasetId, $tableId) = $argv;
+# [START bigquery_load_table_gcs_json_truncate]
+use Google\Cloud\BigQuery\BigQueryClient;
+use Google\Cloud\Core\ExponentialBackoff;
+
+/** Uncomment and populate these variables in your code */
+// $projectId = 'The Google project ID';
+// $datasetId = 'The BigQuery dataset ID';
+// $tableID = 'The BigQuery table ID';
+
+// instantiate the bigquery table service
+$bigQuery = new BigQueryClient([
+    'projectId' => $projectId,
+]);
+$table = $bigQuery->dataset($datasetId)->table($tableId);
+
+// create the import job
+$gcsUri = 'gs://cloud-samples-data/bigquery/us-states/us-states.json';
+$loadConfig = $table->loadFromStorage($gcsUri)->sourceFormat('NEWLINE_DELIMITED_JSON')->writeDisposition('WRITE_TRUNCATE');
+$job = $table->runJob($loadConfig);
+
+// poll the job until it is complete
+$backoff = new ExponentialBackoff(10);
+$backoff->execute(function () use ($job) {
+    print('Waiting for job to complete' . PHP_EOL);
+    $job->reload();
+    if (!$job->isComplete()) {
+        throw new Exception('Job has not yet completed', 500);
+    }
+});
+
+// check if the job has errors
+if (isset($job->info()['status']['errorResult'])) {
+    $error = $job->info()['status']['errorResult']['message'];
+    printf('Error running job: %s' . PHP_EOL, $error);
+} else {
+    print('Data imported successfully' . PHP_EOL);
+}
+# [END bigquery_load_table_gcs_json_truncate]
diff --git a/bigquery/api/snippets/import_from_storage_orc.php b/bigquery/api/snippets/import_from_storage_orc.php
new file mode 100644
index 0000000000..27bad15cd9
--- /dev/null
+++ b/bigquery/api/snippets/import_from_storage_orc.php
@@ -0,0 +1,66 @@
+<?php
+/**
+ * Copyright 2018 Google LLC.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * For instructions on how to run the full sample:
+ *
+ * @see https://github.com/GoogleCloudPlatform/php-docs-samples/tree/master/bigquery/api/README.md
+ */
+
+// Include Google Cloud dependendencies using Composer
+require_once __DIR__ . '/../vendor/autoload.php';
+if (count($argv) != 3) {
+    return printf("Usage: php %s PROJECT_ID DATASET_ID\n", __FILE__);
+}
+
+list($_, $projectId, $datasetId) = $argv;
+# [START bigquery_load_table_gcs_orc]
+use Google\Cloud\BigQuery\BigQueryClient;
+use Google\Cloud\Core\ExponentialBackoff;
+
+/** Uncomment and populate these variables in your code */
+// $projectId  = 'The Google project ID';
+// $datasetId  = 'The BigQuery dataset ID';
+
+// instantiate the bigquery table service
+$bigQuery = new BigQueryClient([
+    'projectId' => $projectId,
+]);
+$dataset = $bigQuery->dataset($datasetId);
+$table = $dataset->table('us_states');
+
+// create the import job
+$gcsUri = 'gs://cloud-samples-data/bigquery/us-states/us-states.orc';
+$loadConfig = $table->loadFromStorage($gcsUri)->sourceFormat('ORC');
+$job = $table->runJob($loadConfig);
+// poll the job until it is complete
+$backoff = new ExponentialBackoff(10);
+$backoff->execute(function () use ($job) {
+    print('Waiting for job to complete' . PHP_EOL);
+    $job->reload();
+    if (!$job->isComplete()) {
+        throw new Exception('Job has not yet completed', 500);
+    }
+});
+// check if the job has errors
+if (isset($job->info()['status']['errorResult'])) {
+    $error = $job->info()['status']['errorResult']['message'];
+    printf('Error running job: %s' . PHP_EOL, $error);
+} else {
+    print('Data imported successfully' . PHP_EOL);
+}
+# [END bigquery_load_table_gcs_orc]
diff --git a/bigquery/api/snippets/import_from_storage_orc_truncate.php b/bigquery/api/snippets/import_from_storage_orc_truncate.php
new file mode 100644
index 0000000000..839839eefd
--- /dev/null
+++ b/bigquery/api/snippets/import_from_storage_orc_truncate.php
@@ -0,0 +1,68 @@
+<?php
+/**
+ * Copyright 2018 Google LLC.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * For instructions on how to run the full sample:
+ *
+ * @see https://github.com/GoogleCloudPlatform/php-docs-samples/tree/master/bigquery/api/README.md
+ */
+
+// Include Google Cloud dependendencies using Composer
+require_once __DIR__ . '/../vendor/autoload.php';
+if (count($argv) != 4) {
+    return printf("Usage: php %s PROJECT_ID DATASET_ID TABLE_ID\n", __FILE__);
+}
+
+list($_, $projectId, $datasetId, $tableId) = $argv;
+# [START bigquery_load_table_gcs_orc_truncate]
+use Google\Cloud\BigQuery\BigQueryClient;
+use Google\Cloud\Core\ExponentialBackoff;
+
+/** Uncomment and populate these variables in your code */
+// $projectId = 'The Google project ID';
+// $datasetId = 'The BigQuery dataset ID';
+// $tableID = 'The BigQuery table ID';
+
+// instantiate the bigquery table service
+$bigQuery = new BigQueryClient([
+    'projectId' => $projectId,
+]);
+$table = $bigQuery->dataset($datasetId)->table($tableId);
+
+// create the import job
+$gcsUri = 'gs://cloud-samples-data/bigquery/us-states/us-states.orc';
+$loadConfig = $table->loadFromStorage($gcsUri)->sourceFormat('ORC')->writeDisposition('WRITE_TRUNCATE');
+$job = $table->runJob($loadConfig);
+
+// poll the job until it is complete
+$backoff = new ExponentialBackoff(10);
+$backoff->execute(function () use ($job) {
+    print('Waiting for job to complete' . PHP_EOL);
+    $job->reload();
+    if (!$job->isComplete()) {
+        throw new Exception('Job has not yet completed', 500);
+    }
+});
+
+// check if the job has errors
+if (isset($job->info()['status']['errorResult'])) {
+    $error = $job->info()['status']['errorResult']['message'];
+    printf('Error running job: %s' . PHP_EOL, $error);
+} else {
+    print('Data imported successfully' . PHP_EOL);
+}
+# [END bigquery_load_table_gcs_orc_truncate]
diff --git a/bigquery/api/snippets/import_from_storage_parquet.php b/bigquery/api/snippets/import_from_storage_parquet.php
new file mode 100644
index 0000000000..d9555f5c0e
--- /dev/null
+++ b/bigquery/api/snippets/import_from_storage_parquet.php
@@ -0,0 +1,66 @@
+<?php
+/**
+ * Copyright 2018 Google LLC.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * For instructions on how to run the full sample:
+ *
+ * @see https://github.com/GoogleCloudPlatform/php-docs-samples/tree/master/bigquery/api/README.md
+ */
+
+// Include Google Cloud dependendencies using Composer
+require_once __DIR__ . '/../vendor/autoload.php';
+if (count($argv) != 3) {
+    return printf("Usage: php %s PROJECT_ID DATASET_ID\n", __FILE__);
+}
+
+list($_, $projectId, $datasetId) = $argv;
+# [START bigquery_load_table_gcs_parquet]
+use Google\Cloud\BigQuery\BigQueryClient;
+use Google\Cloud\Core\ExponentialBackoff;
+
+/** Uncomment and populate these variables in your code */
+// $projectId  = 'The Google project ID';
+// $datasetId  = 'The BigQuery dataset ID';
+
+// instantiate the bigquery table service
+$bigQuery = new BigQueryClient([
+    'projectId' => $projectId,
+]);
+$dataset = $bigQuery->dataset($datasetId);
+$table = $dataset->table('us_states');
+
+// create the import job
+$gcsUri = 'gs://cloud-samples-data/bigquery/us-states/us-states.parquet';
+$loadConfig = $table->loadFromStorage($gcsUri)->sourceFormat('PARQUET');
+$job = $table->runJob($loadConfig);
+// poll the job until it is complete
+$backoff = new ExponentialBackoff(10);
+$backoff->execute(function () use ($job) {
+    print('Waiting for job to complete' . PHP_EOL);
+    $job->reload();
+    if (!$job->isComplete()) {
+        throw new Exception('Job has not yet completed', 500);
+    }
+});
+// check if the job has errors
+if (isset($job->info()['status']['errorResult'])) {
+    $error = $job->info()['status']['errorResult']['message'];
+    printf('Error running job: %s' . PHP_EOL, $error);
+} else {
+    print('Data imported successfully' . PHP_EOL);
+}
+# [END bigquery_load_table_gcs_parquet]
diff --git a/bigquery/api/snippets/import_from_storage_parquet_truncate.php b/bigquery/api/snippets/import_from_storage_parquet_truncate.php
new file mode 100644
index 0000000000..89ed4c1138
--- /dev/null
+++ b/bigquery/api/snippets/import_from_storage_parquet_truncate.php
@@ -0,0 +1,68 @@
+<?php
+/**
+ * Copyright 2018 Google LLC.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * For instructions on how to run the full sample:
+ *
+ * @see https://github.com/GoogleCloudPlatform/php-docs-samples/tree/master/bigquery/api/README.md
+ */
+
+// Include Google Cloud dependendencies using Composer
+require_once __DIR__ . '/../vendor/autoload.php';
+if (count($argv) != 4) {
+    return printf("Usage: php %s PROJECT_ID DATASET_ID TABLE_ID\n", __FILE__);
+}
+
+list($_, $projectId, $datasetId, $tableId) = $argv;
+# [START bigquery_load_table_gcs_parquet_truncate]
+use Google\Cloud\BigQuery\BigQueryClient;
+use Google\Cloud\Core\ExponentialBackoff;
+
+/** Uncomment and populate these variables in your code */
+// $projectId = 'The Google project ID';
+// $datasetId = 'The BigQuery dataset ID';
+// $tableID = 'The BigQuery table ID';
+
+// instantiate the bigquery table service
+$bigQuery = new BigQueryClient([
+    'projectId' => $projectId,
+]);
+$table = $bigQuery->dataset($datasetId)->table($tableId);
+
+// create the import job
+$gcsUri = 'gs://cloud-samples-data/bigquery/us-states/us-states.parquet';
+$loadConfig = $table->loadFromStorage($gcsUri)->sourceFormat('PARQUET')->writeDisposition('WRITE_TRUNCATE');
+$job = $table->runJob($loadConfig);
+
+// poll the job until it is complete
+$backoff = new ExponentialBackoff(10);
+$backoff->execute(function () use ($job) {
+    print('Waiting for job to complete' . PHP_EOL);
+    $job->reload();
+    if (!$job->isComplete()) {
+        throw new Exception('Job has not yet completed', 500);
+    }
+});
+
+// check if the job has errors
+if (isset($job->info()['status']['errorResult'])) {
+    $error = $job->info()['status']['errorResult']['message'];
+    printf('Error running job: %s' . PHP_EOL, $error);
+} else {
+    print('Data imported successfully' . PHP_EOL);
+}
+# [END bigquery_load_table_gcs_parquet_truncate]
diff --git a/bigquery/api/snippets/insert_sql.php b/bigquery/api/snippets/insert_sql.php
index 14953e0902..b9501a8e42 100644
--- a/bigquery/api/snippets/insert_sql.php
+++ b/bigquery/api/snippets/insert_sql.php
@@ -25,7 +25,7 @@
 require_once __DIR__ . '/../vendor/autoload.php';
 
 if (count($argv) != 4) {
-    return print("Usage: php snippets/insert_sql.php PROJECT_ID DATASET_ID SOURCE\n");
+    return printf("Usage: php %s PROJECT_ID DATASET_ID SOURCE\n", __FILE__);
 }
 
 list($_, $projectId, $datasetId, $source) = $argv;
diff --git a/bigquery/api/snippets/list_datasets.php b/bigquery/api/snippets/list_datasets.php
index d797f22fb6..6063226d27 100644
--- a/bigquery/api/snippets/list_datasets.php
+++ b/bigquery/api/snippets/list_datasets.php
@@ -25,7 +25,7 @@
 require_once __DIR__ . '/../vendor/autoload.php';
 
 if (count($argv) != 2) {
-    return print("Usage: php snippets/list_datasets.php PROJECT_ID\n");
+    return printf("Usage: php %s PROJECT_ID\n", __FILE__);
 }
 
 list($_, $projectId) = $argv;
diff --git a/bigquery/api/snippets/list_tables.php b/bigquery/api/snippets/list_tables.php
index 4d74572117..695356d285 100644
--- a/bigquery/api/snippets/list_tables.php
+++ b/bigquery/api/snippets/list_tables.php
@@ -25,7 +25,7 @@
 require_once __DIR__ . '/../vendor/autoload.php';
 
 if (count($argv) != 3) {
-    return print("Usage: php snippets/list_tables.php PROJECT_ID DATASET_ID\n");
+    return printf("Usage: php %s PROJECT_ID DATASET_ID\n", __FILE__);
 }
 
 list($_, $projectId, $datasetId) = $argv;
diff --git a/bigquery/api/snippets/paginate_table.php b/bigquery/api/snippets/paginate_table.php
index 26105fd854..46776a4364 100644
--- a/bigquery/api/snippets/paginate_table.php
+++ b/bigquery/api/snippets/paginate_table.php
@@ -25,7 +25,7 @@
 require_once __DIR__ . '/../vendor/autoload.php';
 
 if (count($argv) < 4 || count($argv) > 5) {
-    return print("Usage: php snippets/paginate_table.php PROJECT_ID DATASET_ID TABLE_ID [NUM_RESULTS]\n");
+    return printf("Usage: php %s PROJECT_ID DATASET_ID TABLE_ID [NUM_RESULTS]\n", __FILE__);
 }
 list($_, $projectId, $datasetId, $tableId) = $argv;
 $maxResults = isset($argv[4]) ? $argv[4] : 10;
diff --git a/bigquery/api/snippets/run_query.php b/bigquery/api/snippets/run_query.php
index e25d057999..6ac4d9a04d 100644
--- a/bigquery/api/snippets/run_query.php
+++ b/bigquery/api/snippets/run_query.php
@@ -25,7 +25,7 @@
 require_once __DIR__ . '/../vendor/autoload.php';
 
 if (count($argv) != 3) {
-    return print("Usage: php snippets/run_query.php PROJECT_ID SQL_QUERY\n");
+    return printf("Usage: php %s PROJECT_ID SQL_QUERY\n", __FILE__);
 }
 list($_, $projectId, $query) = $argv;
 
diff --git a/bigquery/api/snippets/run_query_as_job.php b/bigquery/api/snippets/run_query_as_job.php
index 8b11c3ab5a..c803e20073 100644
--- a/bigquery/api/snippets/run_query_as_job.php
+++ b/bigquery/api/snippets/run_query_as_job.php
@@ -25,7 +25,7 @@
 require_once __DIR__ . '/../vendor/autoload.php';
 
 if (count($argv) != 3) {
-    return print("Usage: php snippets/run_query_as_job.php PROJECT_ID SQL_QUERY\n");
+    return printf("Usage: php %s PROJECT_ID SQL_QUERY\n", __FILE__);
 }
 list($_, $projectId, $query) = $argv;
 
diff --git a/bigquery/api/snippets/stream_row.php b/bigquery/api/snippets/stream_row.php
index 50627dd2e1..a134531a89 100644
--- a/bigquery/api/snippets/stream_row.php
+++ b/bigquery/api/snippets/stream_row.php
@@ -27,7 +27,7 @@
 require_once __DIR__ . '/../vendor/autoload.php';
 
 if (count($argv) < 4 || count($argv) > 5) {
-    return print("Usage: php snippets/stream_row.php PROJECT_ID DATASET_ID TABLE_ID [DATA]\n");
+    return printf("Usage: php %s PROJECT_ID DATASET_ID TABLE_ID [DATA]\n", __FILE__);
 }
 list($_, $projectId, $datasetId, $tableId) = $argv;
 $data = isset($argv[4]) ? json_decode($argv[4], true) : ["field1" => "value1"];
diff --git a/bigquery/api/test/bigqueryTest.php b/bigquery/api/test/bigqueryTest.php
index c459b6310e..9b2aa5eac5 100644
--- a/bigquery/api/test/bigqueryTest.php
+++ b/bigquery/api/test/bigqueryTest.php
@@ -33,6 +33,7 @@ class FunctionsTest extends TestCase
 
     private static $datasetId;
     private static $dataset;
+    private static $tempTables = [];
 
     public static function setUpBeforeClass()
     {
@@ -185,7 +186,7 @@ public function testImportFromFile()
     /**
      * @dataProvider provideImportFromStorage
      */
-    public function testImportFromStorage($snippet)
+    public function testImportFromStorage($snippet, $runTruncateSnippet = false)
     {
         // run the import
         $output = $this->runSnippet($snippet, [
@@ -196,22 +197,30 @@ public function testImportFromStorage($snippet)
         $tableId = 'us_states';
 
         // verify table contents
-        $query = sprintf('SELECT * FROM `%s.%s`', self::$datasetId, $tableId);
-        $testFunction = function () use ($query) {
-            $output = $this->runSnippet('run_query', [$query]);
-            $this->assertContains('Washington', $output);
-        };
-
-        $this->runEventuallyConsistentTest($testFunction);
         $table = self::$dataset->table($tableId);
-        $table->delete();
+        self::$tempTables[] = $table;
+        $this->verifyStatesTable($table);
+
+        if ($runTruncateSnippet) {
+            $truncateSnippet = sprintf('%s_truncate', $snippet);
+            $output = $this->runSnippet($truncateSnippet, [
+                self::$datasetId,
+                $tableId,
+            ]);
+            $this->assertContains('Data imported successfully', $output);
+            $this->verifyStatesTable($table);
+        }
     }
 
     public function provideImportFromStorage()
     {
         return [
-            ['import_from_storage_csv'],
-            ['import_from_storage_json']
+            ['import_from_storage_csv', true],
+            ['import_from_storage_json', true],
+            ['import_from_storage_orc', true],
+            ['import_from_storage_parquet', true],
+            ['import_from_storage_csv_autodetect'],
+            ['import_from_storage_json_autodetect'],
         ];
     }
 
@@ -347,6 +356,31 @@ private function verifyTempTable($tempTableId)
         $this->runEventuallyConsistentTest($testFunction);
     }
 
+    private function verifyStatesTable($table)
+    {
+        $numRows = 0;
+        $foundValue = false;
+        foreach ($table->rows([]) as $row) {
+            foreach ($row as $column => $value) {
+                if ($value == 'Washington') {
+                    $foundValue = true;
+                }
+            }
+            $numRows++;
+        }
+        $this->assertTrue($foundValue);
+        $this->assertEquals($numRows, 50);
+    }
+
+    public function tearDown()
+    {
+        if (self::$tempTables) {
+            while ($tempTable = array_pop(self::$tempTables)) {
+                $tempTable->delete();
+            }
+        }
+    }
+
     public static function tearDownAfterClass()
     {
         self::$dataset->delete(['deleteContents' => true]);