XCache APIs exported to PHP script

Constants

XC_TYPE_PHP

Cache Type = php opcode

XC_TYPE_VAR

Cache Type = variable data

Common Used Functions

mixed xcache_get(string name)
bool  xcache_set(string name, mixed value [, int ttl])
bool  xcache_isset(string name)
bool  xcache_unset(string name)
int   xcache_inc(string name [, int value [, int ttl]])
int   xcache_dec(string name [, int value [, int ttl]])

Examples:

• Simple Counter

  This guest book has been visited <?php echo xcache_inc("count"); ?> times.
  

• Advanced Counter

  <?php
  if (!xcache_isset("count")) {
   xcache_set("count", load_count_from_mysql());
  }
  ?>
  This guest book has been visited <?php echo $count = xcache_inc("count"); ?> times.
  <?php
  // save every 100 hits
  if (($count % 10) == 100) {
   save_count_to_mysql($count);
  }
  ?>
  

• Cacher

  <?php
  
  function load_abc_data()
  {
    if (xcache_isset("abc_data")) {
      return xcache_get("abc_data");
    }
    // it worth lock here
    $fp = fopen(TMPDIR . "/abc_data.lock");
    flock($fp, LOCK_EX);
    // check AGAIN after we get the lock
    if (xcache_isset("abc_data")) {
      fclose($fp);
      return xcache_get("abc_data");
    }
    mysql_query .... and get $data
    xcache_set("cache", $data, 120); // save for 2 minutes
    fclose($fp);
    return $data;
  }
  
  ?>
  

Administrator Functions

int    xcache_count(int type)
array  xcache_info(int type, int id)
array  xcache_list(int type, int id)
array  xcache_clear_cache(int type, int id)
string xcache_coredump(int op_type)

See xcache/admin/*.php

Dis/Assembler? Opcode Functions

string xcache_asm(string filename)
string xcache_dasm_file(string filename)   '''This one cannot work under Win32'''
string xcache_dasm_string(string code)
string xcache_encode(string filename)
bool   xcache_decode(string filename)

string xcache_get_op_type(int op_type)
string xcache_get_data_type(int type)
string xcache_get_opcode(int opcode)
string xcache_get_op_spec(int op_type)
string xcache_get_opcode_spec(int opcode)
mixed  xcache_get_special_value(zval value)
string xcache_is_autoglobal(string name)

See xcache/Decompiler.class.php