README: describe what tweeper is in a more generic way

[tweeper.git] / tweeper.php

diff --git a/tweeper.php b/tweeper.php
index efc0fd6..a9fce9b 100644 (file)
--- a/tweeper.php
+++ b/tweeper.php
@@ -213,6 +213,12 @@ class Tweeper {
     return $this->json_to_xml($html, '/window._sharedData = (.*);/', 'instagram');
   }
 
+  private function preprocess_html_facebook_com($html) {
+    $html = str_replace('<!--', '', $html);
+    $html = str_replace('-->', '', $html);
+    return $html;
+  }
+
   private function html_to_xml($html, $host) {
     $xmlDoc = new DOMDocument();
 
@@ -279,7 +285,7 @@ class Tweeper {
 
 function is_cli()
 {
-  return (substr(php_sapi_name(), 0, 3) == 'cli');
+  return (php_sapi_name() === "cli");
 }
 
 function usage($argv)
@@ -348,7 +354,7 @@ if (is_cli()) {
 }
 
 if (!isset($options['src_url'])) {
-  fwrite($ERROR_STREAM, usage($argv));
+  fwrite($ERROR_STREAM, usage(is_cli() ? $argv : NULL));
   exit(1);
 }