title: How can i make a hash top list in PHP?
body: <p>How can i make a hashtag top list in PHP?</p>
  
  <p>i have a table  "posts"</p>
  
  <p>this table contains 3 fields (id, text, hash)</p>
  
  <p>the data like this</p>
  
  <pre><code>id   =&gt; 1
  text =&gt; i'm from #us
  hash =&gt; ,us
  
  id   =&gt; 2
  text =&gt; i #love #us
  hash =&gt; ,love ,us 
  
  id   =&gt; 3
  text =&gt; i will travel to #us cus i #love it
  hash =&gt; ,us ,love
  
  id   =&gt; 4
  text =&gt; i will go to #us #now 
  hash =&gt; ,us ,now
  </code></pre>
  
  <p>i wanna show data like this </p>
  
  <p>top hash</p>
  
  <pre><code>us
  love
  now
  </code></pre>