Fix command samples

Signed-off-by: Joas Schilling <coding@schilljs.com>

2 files changed, 5 insertions, 4 deletions

diff --git a/sample-commands/hackernews.php b/sample-commands/hackernews.php
index eea886829..aae000202 100644
--- a/sample-commands/hackernews.php
+++ b/sample-commands/hackernews.php
@@ -45,7 +45,7 @@ $content = file_get_contents($endpoint);
 $results = json_decode($content, true);
 $stories = array_slice($results, 0, 5);
 
-$response = 'Hackernews ' . ucfirst($mode) . '  5:' . "\n";
+$response = 'Hackernews ' . ucfirst($mode) . ' 5:' . "\n";
 $length = 120;
 
 foreach ($stories as $storyId) {
diff --git a/sample-commands/wikipedia.php b/sample-commands/wikipedia.php
index 646582330..398f9d1a5 100644
--- a/sample-commands/wikipedia.php
+++ b/sample-commands/wikipedia.php
@@ -52,14 +52,15 @@ $parameters = [
 ];
 $content = file_get_contents($endpoint . '?' . http_build_query($parameters));
 $results = json_decode($content, true);
-$pages = $results['query']['pages'];
 
-$numArticles = count($pages);
-if ($numArticles === 0) {
+if (empty($results['query']['pages'])) {
 	echo 'Wikipedia did not have any results for "' . $searchTerm . '" :(' . "\n";
 	return;
 }
 
+$pages = $results['query']['pages'];
+$numArticles = count($pages);
+
 $response = 'Wikipedia search results for "' . $searchTerm . '":' . "\n";
 $maxArticles = $numArticles > 7 ? 5 : $numArticles;
 $length = (int) ((800 - strlen($response)) / $maxArticles);