text: 
  /*
    +------------------------------------------------------------------------+
    | Zephir Language                                                        |
    +------------------------------------------------------------------------+
    | Copyright (c) 2011-2016 Zephir Team (http://www.zephir-lang.com)       |
    +------------------------------------------------------------------------+
    | This source file is subject to the New BSD License that is bundled     |
    | with this package in the file docs/LICENSE.txt.                        |
    |                                                                        |
    | If you did not receive a copy of the license and are unable to         |
    | obtain it through the world-wide-web, please send an email             |
    | to license@zephir-lang.com so we can send you a copy immediately.      |
    +------------------------------------------------------------------------+
    | Authors: Andres Gutierrez <andres@zephir-lang.com>                     |
    |          Eduar Carvajal <eduar@zephir-lang.com>                        |
    |          Rack Lin <racklin@gmail.com>                                  |
    +------------------------------------------------------------------------+
  */
  
  #ifdef HAVE_CONFIG_H
  #include "config.h"
  #endif
  
  #include "php.h"
  #include "php_ext.h"
  
  #include "ext/standard/php_smart_str.h"
  #include "ext/standard/php_var.h"
  
  /**
   * Serializes php variables without using the PHP userland
   */
  void zephir_serialize(zval *return_value, zval **var TSRMLS_DC) {
  
  	php_serialize_data_t var_hash;
  	smart_str buf = {0};
  
  	PHP_VAR_SERIALIZE_INIT(var_hash);
  	php_var_serialize(&buf, var, &var_hash TSRMLS_CC);
  	PHP_VAR_SERIALIZE_DESTROY(var_hash);
  
  	if (EG(exception)) {
  		smart_str_free(&buf);
  		RETURN_FALSE;
  	}
  
  	if (buf.c) {
  		RETURN_STRINGL(buf.c, buf.len, 0);
  	} else {
  		RETURN_NULL();
  	}
  }
  
  /**
   * Unserializes php variables without using the PHP userland
   */
  void zephir_unserialize(zval *return_value, zval *var TSRMLS_DC) {
  
  	const unsigned char *p;
  	php_unserialize_data_t var_hash;
  
  	if (Z_TYPE_P(var) != IS_STRING) {
  		RETURN_FALSE;
  	}
  
  	if (Z_STRLEN_P(var) == 0) {
  		RETURN_FALSE;
  	}
  
  	p = (const unsigned char*) Z_STRVAL_P(var);
  	PHP_VAR_UNSERIALIZE_INIT(var_hash);
  	if (!php_var_unserialize(&return_value, &p, p + Z_STRLEN_P(var), &var_hash TSRMLS_CC)) {
  		PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
  		zval_dtor(return_value);
  		ZVAL_NULL(return_value);
  		if (!EG(exception)) {
  			php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Error at offset %ld of %d bytes", (long)((char*)p - Z_STRVAL_P(var)), Z_STRLEN_P(var));
  		}
  		RETURN_FALSE;
  	}
  	PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
  
  }
  
  /**
   * var_export outputs php variables without using the PHP userland
   */
  void zephir_var_export(zval **var TSRMLS_DC) {
      php_var_export(var, 1 TSRMLS_CC);
  }
  
  /**
   * var_export returns php variables without using the PHP userland
   */
  void zephir_var_export_ex(zval *return_value, zval **var TSRMLS_DC) {
  
      smart_str buf = { NULL, 0, 0 };
  
      php_var_export_ex(var, 1, &buf TSRMLS_CC);
      smart_str_0(&buf);
      ZVAL_STRINGL(return_value, buf.c, buf.len, 0);
  }
  
  /**
   * var_dump outputs php variables without using the PHP userland
   */
  void zephir_var_dump(zval **var TSRMLS_DC) {
      php_var_dump(var, 1 TSRMLS_CC);
  }
  