title: Symfony : PHP Fatal error: Allowed memory size
body: <p>I try to run this command to build model in my symfony project(1.4) : </p>
  
  <pre><code>php symfony propel:build-model( or all ) 
  </code></pre>
  
  <p>I have this error  : </p>
  
  <pre><code>PHP Fatal error:  Allowed memory size of 33554432 bytes exhausted (tried to allocate 20 bytes) in /home/sfprojects/jobeet/lib/vendor/symfony/lib/util/sfClassManipulator.class.php on line 176
  </code></pre>
  
  <p>I searched before asking people here so I changed <code>memory_limit = 64M</code> in my php.ini to <code>128M , 510M , 1024M ...</code> but I have the same error that really get me crazy!</p>
  
  <p>I'm using Ubuntu with apache2,php5...</p>