hphp/runtime/base/apc-stats.h
// A primed key is added. Implies a key is added as well.
A primed key is added. Implies a key is added as well.
A primed key is added . Implies a key is added as well .
void addPrimedKey(size_t len) {
    assert(len > 0);
    m_primedEntries->increment();
    addKey(len);
  }
void addPrimedKey ( size_t len ) { assert ( len > 0 ) ; m_primedEntries -> increment ( ) ; addKey ( len ) ; }
A primed key is added.
A primed key is added .