Use etags for caching

ojarva · Apr 23, 2012 · e77b204 · e77b204
1 parent f437111
commit e77b204
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Showing 2 changed files with 6 additions and 2 deletions.
diff --git a/json.php b/json.php
@@ -83,7 +83,9 @@ function process_json($filename, $last_data) {
 $ret["data"] = process_json($filename, $last_data);
 $ret["status"] = "success";
 
-echo json_encode($ret);
+http_cache_etag();
+http_send_content_type("application/json");
+http_send_data(json_encode($ret));
 
 // Update statistics
 $redis->incr("stats:web:json:processed");

diff --git a/sources/json.php.html b/sources/json.php.html
@@ -91,7 +91,9 @@
 <span class="hl kwc">$ret</span><span class="hl opt">[</span><span class="hl str">&quot;data&quot;</span><span class="hl opt">] =</span> <span class="hl kwd">process_json</span><span class="hl opt">(</span><span class="hl kwc">$filename</span><span class="hl opt">,</span> <span class="hl kwc">$last_data</span><span class="hl opt">);</span>
 <span class="hl kwc">$ret</span><span class="hl opt">[</span><span class="hl str">&quot;status&quot;</span><span class="hl opt">] =</span> <span class="hl str">&quot;success&quot;</span><span class="hl opt">;</span>
 
-<span class="hl kwa">echo</span> <span class="hl kwd">json_encode</span><span class="hl opt">(</span><span class="hl kwc">$ret</span><span class="hl opt">);</span>
+<span class="hl kwd">http_cache_etag</span><span class="hl opt">();</span>
+<span class="hl kwd">http_send_content_type</span><span class="hl opt">(</span><span class="hl str">&quot;application/json&quot;</span><span class="hl opt">);</span>
+<span class="hl kwd">http_send_data</span><span class="hl opt">(</span><span class="hl kwd">json_encode</span><span class="hl opt">(</span><span class="hl kwc">$ret</span><span class="hl opt">));</span>
 
 <span class="hl slc">// Update statistics</span>
 <span class="hl kwc">$redis</span><span class="hl opt">-&gt;</span><span class="hl kwd">incr</span><span class="hl opt">(</span><span class="hl str">&quot;stats:web:json:processed&quot;</span><span class="hl opt">);</span>