text: 
  #ifdef HAVE_CONFIG_H
  #include "../../../../ext_config.h"
  #endif
  
  #include <php.h>
  #include "../../../../php_ext.h"
  #include "../../../../ext.h"
  
  #include <Zend/zend_operators.h>
  #include <Zend/zend_exceptions.h>
  #include <Zend/zend_interfaces.h>
  
  #include "kernel/main.h"
  #include "kernel/array.h"
  #include "kernel/object.h"
  #include "kernel/memory.h"
  #include "kernel/concat.h"
  #include "ext/spl/spl_exceptions.h"
  #include "kernel/exception.h"
  #include "kernel/operators.h"
  
  
  /**
   * Phalcon\Mvc\Model\MetaData\Session
   *
   * Stores model meta-data in session. Data will erased when the session finishes.
   * Meta-data are permanent while the session is active.
   *
   * You can query the meta-data by printing $_SESSION['$PMM$']
   *
   *<code>
   * $metaData = new \Phalcon\Mvc\Model\Metadata\Session(
   *     [
   *        "prefix" => "my-app-id",
   *     ]
   * );
   *</code>
   */
  ZEPHIR_INIT_CLASS(Phalcon_Mvc_Model_MetaData_Session) {
  
  	ZEPHIR_REGISTER_CLASS_EX(Phalcon\\Mvc\\Model\\MetaData, Session, phalcon, mvc_model_metadata_session, phalcon_mvc_model_metadata_ce, phalcon_mvc_model_metadata_session_method_entry, 0);
  
  	zend_declare_property_string(phalcon_mvc_model_metadata_session_ce, SL("_prefix"), "", ZEND_ACC_PROTECTED TSRMLS_CC);
  
  	return SUCCESS;
  
  }
  
  /**
   * Phalcon\Mvc\Model\MetaData\Session constructor
   *
   * @param array options
   */
  PHP_METHOD(Phalcon_Mvc_Model_MetaData_Session, __construct) {
  
  	zval *options = NULL, *prefix = NULL;
  
  	zephir_fetch_params(0, 0, 1, &options);
  
  	if (!options) {
  		options = ZEPHIR_GLOBAL(global_null);
  	}
  
  
  	if (Z_TYPE_P(options) == IS_ARRAY) {
  		if (zephir_array_isset_string_fetch(&prefix, options, SS("prefix"), 1 TSRMLS_CC)) {
  			zephir_update_property_this(getThis(), SL("_prefix"), prefix TSRMLS_CC);
  		}
  	}
  
  }
  
  /**
   * Reads meta-data from $_SESSION
   *
   * @param string key
   * @return array
   */
  PHP_METHOD(Phalcon_Mvc_Model_MetaData_Session, read) {
  
  	zval *key_param = NULL, *_SESSION, *metaData = NULL, *_0, *_1, *_2;
  	zval *key = NULL;
  
  	ZEPHIR_MM_GROW();
  	zephir_get_global(&_SESSION, SS("_SESSION") TSRMLS_CC);
  	zephir_fetch_params(1, 1, 0, &key_param);
  
  	if (UNEXPECTED(Z_TYPE_P(key_param) != IS_STRING && Z_TYPE_P(key_param) != IS_NULL)) {
  		zephir_throw_exception_string(spl_ce_InvalidArgumentException, SL("Parameter 'key' must be a string") TSRMLS_CC);
  		RETURN_MM_NULL();
  	}
  	if (EXPECTED(Z_TYPE_P(key_param) == IS_STRING)) {
  		zephir_get_strval(key, key_param);
  	} else {
  		ZEPHIR_INIT_VAR(key);
  		ZVAL_EMPTY_STRING(key);
  	}
  
  
  	_1 = zephir_fetch_nproperty_this(this_ptr, SL("_prefix"), PH_NOISY_CC);
  	ZEPHIR_INIT_VAR(_2);
  	ZEPHIR_CONCAT_SV(_2, "$PMM$", _1);
  	zephir_array_fetch(&_0, _SESSION, _2, PH_READONLY, "phalcon/mvc/model/metadata/session.zep", 71 TSRMLS_CC);
  	if (zephir_array_isset_fetch(&metaData, _0, key, 1 TSRMLS_CC)) {
  		RETURN_CTOR(metaData);
  	}
  	RETURN_MM_NULL();
  
  }
  
  /**
   * Writes the meta-data to $_SESSION
   *
   * @param string key
   * @param array data
   */
  PHP_METHOD(Phalcon_Mvc_Model_MetaData_Session, write) {
  
  	zval *key_param = NULL, *data, *_SESSION, *_0, *_1;
  	zval *key = NULL;
  
  	ZEPHIR_MM_GROW();
  	zephir_get_global(&_SESSION, SS("_SESSION") TSRMLS_CC);
  	zephir_fetch_params(1, 2, 0, &key_param, &data);
  
  	if (UNEXPECTED(Z_TYPE_P(key_param) != IS_STRING && Z_TYPE_P(key_param) != IS_NULL)) {
  		zephir_throw_exception_string(spl_ce_InvalidArgumentException, SL("Parameter 'key' must be a string") TSRMLS_CC);
  		RETURN_MM_NULL();
  	}
  	if (EXPECTED(Z_TYPE_P(key_param) == IS_STRING)) {
  		zephir_get_strval(key, key_param);
  	} else {
  		ZEPHIR_INIT_VAR(key);
  		ZVAL_EMPTY_STRING(key);
  	}
  
  
  	_0 = zephir_fetch_nproperty_this(this_ptr, SL("_prefix"), PH_NOISY_CC);
  	ZEPHIR_INIT_VAR(_1);
  	ZEPHIR_CONCAT_SV(_1, "$PMM$", _0);
  	zephir_array_update_multi(&_SESSION, &data TSRMLS_CC, SL("zz"), 2, _1, key);
  	ZEPHIR_MM_RESTORE();
  
  }
  
  