php_xmlreader.c

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/*
  +----------------------------------------------------------------------+
  | Copyright (c) The PHP Group                                          |
  +----------------------------------------------------------------------+
  | This source file is subject to version 3.01 of the PHP license,      |
  | that is bundled with this package in the file LICENSE, and is        |
  | available through the world-wide-web at the following url:           |
  | https://www.php.net/license/3_01.txt                                 |
  | If you did not receive a copy of the PHP license and are unable to   |
  | obtain it through the world-wide-web, please send a note to          |
  | license@php.net so we can mail you a copy immediately.               |
  +----------------------------------------------------------------------+
  | Author: Rob Richards <rrichards@php.net>                             |
  +----------------------------------------------------------------------+
*/
 
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
 
 
#include "php.h"
#include "php_ini.h"
#include "ext/standard/info.h"
#include "zend_observer.h"
#include "php_xmlreader.h"
#ifdef HAVE_DOM
#include "ext/dom/xml_common.h"
#include "ext/dom/dom_ce.h"
#endif
#include <libxml/xmlreader.h>
#include <libxml/uri.h>
#include "php_xmlreader_arginfo.h"
 
zend_class_entry *xmlreader_class_entry;
 
static zend_object_handlers xmlreader_object_handlers;
 
static HashTable xmlreader_prop_handlers;
 
static zend_internal_function xmlreader_open_fn;
static zend_internal_function xmlreader_xml_fn;
 
typedef int (*xmlreader_read_int_t)(xmlTextReaderPtr reader);
typedef unsigned char *(*xmlreader_read_char_t)(xmlTextReaderPtr reader);
typedef const unsigned char *(*xmlreader_read_const_char_t)(xmlTextReaderPtr reader);
 
typedef unsigned char *(*xmlreader_read_one_char_t)(xmlTextReaderPtr reader, const unsigned char *);
 
typedef struct _xmlreader_prop_handler {
    xmlreader_read_int_t read_int_func;
    xmlreader_read_const_char_t read_char_func;
    int type;
} xmlreader_prop_handler;
 
#define XMLREADER_LOAD_STRING 0
#define XMLREADER_LOAD_FILE 1
 
static void xmlreader_register_prop_handler(HashTable *prop_handler, const char *name, size_t name_len, const xmlreader_prop_handler *hnd)
{
    zend_string *str = zend_string_init_interned(name, name_len, true);
    zend_hash_add_new_ptr(prop_handler, str, (void *) hnd);
    zend_string_release_ex(str, true);
}
 
#define XMLREADER_REGISTER_PROP_HANDLER(prop_handler, name, prop_read_int_func, prop_read_char_func, prop_type) do { \
        static const xmlreader_prop_handler hnd = {.read_int_func = prop_read_int_func, .read_char_func = prop_read_char_func, .type = prop_type}; \
        xmlreader_register_prop_handler(prop_handler, "" name, sizeof("" name) - 1, &hnd); \
    } while (0)
 
/* {{{ xmlreader_property_reader */
static int xmlreader_property_reader(xmlreader_object *obj, xmlreader_prop_handler *hnd, zval *rv)
{
    const xmlChar *retchar = NULL;
    int retint = 0;
 
    if (obj->ptr != NULL) {
        if (hnd->read_char_func) {
            retchar = hnd->read_char_func(obj->ptr);
        } else {
            if (hnd->read_int_func) {
                retint = hnd->read_int_func(obj->ptr);
                if (retint == -1) {
                    zend_throw_error(NULL, "Failed to read property because no XML data has been read yet");
                    return FAILURE;
                }
            }
        }
    }
 
    switch (hnd->type) {
        case IS_STRING:
            if (retchar) {
                ZVAL_STRING(rv, (char *) retchar);
            } else {
                ZVAL_EMPTY_STRING(rv);
            }
            break;
        case _IS_BOOL:
            ZVAL_BOOL(rv, retint);
            break;
        case IS_LONG:
            ZVAL_LONG(rv, retint);
            break;
        EMPTY_SWITCH_DEFAULT_CASE()
    }
 
    return SUCCESS;
}
/* }}} */
 
/* {{{ xmlreader_get_property_ptr_ptr */
zval *xmlreader_get_property_ptr_ptr(zend_object *object, zend_string *name, int type, void **cache_slot)
{
    zval *retval = NULL;
 
    xmlreader_prop_handler *hnd = zend_hash_find_ptr(&xmlreader_prop_handlers, name);
    if (hnd == NULL) {
        retval = zend_std_get_property_ptr_ptr(object, name, type, cache_slot);
    } else if (cache_slot) {
        cache_slot[0] = cache_slot[1] = cache_slot[2] = NULL;
    }
 
    return retval;
}
/* }}} */
 
static int xmlreader_has_property(zend_object *object, zend_string *name, int type, void **cache_slot)
{
    xmlreader_object *obj = php_xmlreader_fetch_object(object);
    xmlreader_prop_handler *hnd = zend_hash_find_ptr(&xmlreader_prop_handlers, name);
 
    if (hnd != NULL) {
        if (type == ZEND_PROPERTY_EXISTS) {
            return 1;
        }
 
        zval rv;
        if (xmlreader_property_reader(obj, hnd, &rv) == FAILURE) {
            return 0;
        }
 
        bool result;
 
        if (type == ZEND_PROPERTY_NOT_EMPTY) {
            result = zend_is_true(&rv);
        } else if (type == ZEND_PROPERTY_ISSET) {
            result = (Z_TYPE(rv) != IS_NULL);
        } else {
            ZEND_UNREACHABLE();
        }
 
        zval_ptr_dtor(&rv);
 
        return result;
    }
 
    return zend_std_has_property(object, name, type, cache_slot);
}
 
 
/* {{{ xmlreader_read_property */
zval *xmlreader_read_property(zend_object *object, zend_string *name, int type, void **cache_slot, zval *rv)
{
    zval *retval = NULL;
    xmlreader_object *obj = php_xmlreader_fetch_object(object);
    xmlreader_prop_handler *hnd = zend_hash_find_ptr(&xmlreader_prop_handlers, name);
 
    if (hnd != NULL) {
        if (xmlreader_property_reader(obj, hnd, rv) == FAILURE) {
            retval = &EG(uninitialized_zval);
        } else {
            retval = rv;
        }
    } else {
        retval = zend_std_read_property(object, name, type, cache_slot, rv);
    }
 
    return retval;
}
/* }}} */
 
/* {{{ xmlreader_write_property */
zval *xmlreader_write_property(zend_object *object, zend_string *name, zval *value, void **cache_slot)
{
    xmlreader_prop_handler *hnd = zend_hash_find_ptr(&xmlreader_prop_handlers, name);
 
    if (hnd != NULL) {
        zend_readonly_property_modification_error_ex(ZSTR_VAL(object->ce->name), ZSTR_VAL(name));
    } else {
        value = zend_std_write_property(object, name, value, cache_slot);
    }
 
    return value;
}
/* }}} */
 
void xmlreader_unset_property(zend_object *object, zend_string *name, void **cache_slot)
{
    xmlreader_prop_handler *hnd = zend_hash_find_ptr(&xmlreader_prop_handlers, name);
 
    if (hnd != NULL) {
        zend_throw_error(NULL, "Cannot unset %s::$%s", ZSTR_VAL(object->ce->name), ZSTR_VAL(name));
        return;
    }
 
    zend_std_unset_property(object, name, cache_slot);
}
 
/* {{{ */
static zend_function *xmlreader_get_method(zend_object **obj, zend_string *name, const zval *key)
{
    zend_function *method = zend_std_get_method(obj, name, key);
    if (method && (method->common.fn_flags & ZEND_ACC_STATIC) && method->common.type == ZEND_INTERNAL_FUNCTION) {
        /* There are only two static internal methods and they both have overrides. */
        if (ZSTR_LEN(name) == sizeof("xml") - 1) {
            return (zend_function *) &xmlreader_xml_fn;
        } else if (ZSTR_LEN(name) == sizeof("open") - 1) {
            return (zend_function *) &xmlreader_open_fn;
        }
    }
    return method;
}
/* }}} */
 
static HashTable* xmlreader_get_debug_info(zend_object *object, int *is_temp)
{
    *is_temp = 1;
 
    xmlreader_object *obj = php_xmlreader_fetch_object(object);
    HashTable *std_props = zend_std_get_properties(object);
    HashTable *debug_info = zend_array_dup(std_props);
 
    zend_string *string_key;
    xmlreader_prop_handler *entry;
    ZEND_HASH_MAP_FOREACH_STR_KEY_PTR(&xmlreader_prop_handlers, string_key, entry) {
        ZEND_ASSERT(string_key != NULL);
 
        zval value;
        if (xmlreader_property_reader(obj, entry, &value) == SUCCESS) {
            zend_hash_update(debug_info, string_key, &value);
        }
    } ZEND_HASH_FOREACH_END();
 
    return debug_info;
}
 
/* {{{ _xmlreader_get_valid_file_path */
/* _xmlreader_get_valid_file_path and _xmlreader_get_relaxNG should be made a
    common function in libxml extension as code is common to a few xml extensions */
char *_xmlreader_get_valid_file_path(char *source, char *resolved_path, int resolved_path_len ) {
    xmlURI *uri;
    xmlChar *escsource;
    char *file_dest;
    int isFileUri = 0;
 
    uri = xmlCreateURI();
    if (uri == NULL) {
        return NULL;
    }
    escsource = xmlURIEscapeStr((xmlChar *)source, (xmlChar *)":");
    xmlParseURIReference(uri, (const char *)escsource);
    xmlFree(escsource);
 
    if (uri->scheme != NULL) {
        /* absolute file uris - libxml only supports localhost or empty host */
        if (strncasecmp(source, "file:///",8) == 0) {
            isFileUri = 1;
#ifdef PHP_WIN32
            source += 8;
#else
            source += 7;
#endif
        } else if (strncasecmp(source, "file://localhost/",17) == 0) {
            isFileUri = 1;
#ifdef PHP_WIN32
            source += 17;
#else
            source += 16;
#endif
        }
    }
 
    file_dest = source;
 
    if ((uri->scheme == NULL || isFileUri)) {
        if (!VCWD_REALPATH(source, resolved_path) && !expand_filepath(source, resolved_path)) {
            xmlFreeURI(uri);
            return NULL;
        }
        file_dest = resolved_path;
    }
 
    xmlFreeURI(uri);
 
    return file_dest;
}
/* }}} */
 
#ifdef LIBXML_SCHEMAS_ENABLED
/* {{{ _xmlreader_get_relaxNG */
static xmlRelaxNGPtr _xmlreader_get_relaxNG(char *source, size_t source_len, size_t type,
                                            xmlRelaxNGValidityErrorFunc error_func,
                                            xmlRelaxNGValidityWarningFunc warn_func)
{
    char *valid_file = NULL;
    xmlRelaxNGParserCtxtPtr parser = NULL;
    xmlRelaxNGPtr           sptr;
    char resolved_path[MAXPATHLEN + 1];
 
    switch (type) {
    case XMLREADER_LOAD_FILE:
        valid_file = _xmlreader_get_valid_file_path(source, resolved_path, MAXPATHLEN );
        if (!valid_file) {
            return NULL;
        }
        parser = xmlRelaxNGNewParserCtxt(valid_file);
        break;
    case XMLREADER_LOAD_STRING:
        parser = xmlRelaxNGNewMemParserCtxt(source, source_len);
        /* If loading from memory, we need to set the base directory for the document
           but it is not apparent how to do that for schema's */
        break;
    default:
        return NULL;
    }
 
    if (parser == NULL) {
        return NULL;
    }
 
    PHP_LIBXML_SANITIZE_GLOBALS(parse);
    if (error_func || warn_func) {
        xmlRelaxNGSetParserErrors(parser,
            (xmlRelaxNGValidityErrorFunc) error_func,
            (xmlRelaxNGValidityWarningFunc) warn_func,
            parser);
    }
    sptr = xmlRelaxNGParse(parser);
    xmlRelaxNGFreeParserCtxt(parser);
    PHP_LIBXML_RESTORE_GLOBALS(parse);
 
    return sptr;
}
/* }}} */
#endif
 
static const zend_module_dep xmlreader_deps[] = {
#ifdef HAVE_DOM
    ZEND_MOD_REQUIRED("dom")
#endif
    ZEND_MOD_REQUIRED("libxml")
    ZEND_MOD_END
};
 
/* {{{ xmlreader_module_entry */
zend_module_entry xmlreader_module_entry = {
    STANDARD_MODULE_HEADER_EX, NULL,
    xmlreader_deps,
    "xmlreader",
    NULL,
    PHP_MINIT(xmlreader),
    PHP_MSHUTDOWN(xmlreader),
    NULL,
    NULL,
    PHP_MINFO(xmlreader),
    PHP_XMLREADER_VERSION,
    STANDARD_MODULE_PROPERTIES
};
/* }}} */
 
#ifdef COMPILE_DL_XMLREADER
ZEND_GET_MODULE(xmlreader)
#endif
 
/* {{{ xmlreader_free_resources */
static void xmlreader_free_resources(xmlreader_object *intern) {
    if (intern->input) {
        xmlFreeParserInputBuffer(intern->input);
        intern->input = NULL;
    }
 
    if (intern->ptr) {
        xmlFreeTextReader(intern->ptr);
        intern->ptr = NULL;
    }
#ifdef LIBXML_SCHEMAS_ENABLED
    if (intern->schema) {
        xmlRelaxNGFree((xmlRelaxNGPtr) intern->schema);
        intern->schema = NULL;
    }
#endif
}
/* }}} */
 
/* {{{ xmlreader_objects_free_storage */
void xmlreader_objects_free_storage(zend_object *object)
{
    xmlreader_object *intern = php_xmlreader_fetch_object(object);
 
    zend_object_std_dtor(&intern->std);
 
    xmlreader_free_resources(intern);
}
/* }}} */
 
/* {{{ xmlreader_objects_new */
zend_object *xmlreader_objects_new(zend_class_entry *class_type)
{
    xmlreader_object *intern;
 
    intern = zend_object_alloc(sizeof(xmlreader_object), class_type);
    zend_object_std_init(&intern->std, class_type);
    object_properties_init(&intern->std, class_type);
 
    return &intern->std;
}
/* }}} */
 
/* {{{ php_xmlreader_string_arg */
static void php_xmlreader_string_arg(INTERNAL_FUNCTION_PARAMETERS, xmlreader_read_one_char_t internal_function) {
    zval *id;
    size_t name_len = 0;
    char *retchar = NULL;
    xmlreader_object *intern;
    char *name;
 
    if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &name, &name_len) == FAILURE) {
        RETURN_THROWS();
    }
 
    if (!name_len) {
        zend_argument_must_not_be_empty_error(1);
        RETURN_THROWS();
    }
 
    id = ZEND_THIS;
 
    intern = Z_XMLREADER_P(id);
    if (intern->ptr) {
        retchar = (char *)internal_function(intern->ptr, (const unsigned char *)name);
    }
    if (retchar) {
        RETVAL_STRING(retchar);
        xmlFree(retchar);
        return;
    } else {
        RETVAL_NULL();
    }
}
/* }}} */
 
/* {{{ php_xmlreader_no_arg */
static void php_xmlreader_no_arg(INTERNAL_FUNCTION_PARAMETERS, xmlreader_read_int_t internal_function) {
    zval *id;
    int retval;
    xmlreader_object *intern;
 
    if (zend_parse_parameters_none() == FAILURE) {
        RETURN_THROWS();
    }
 
    id = ZEND_THIS;
 
    intern = Z_XMLREADER_P(id);
    if (intern->ptr) {
        retval = internal_function(intern->ptr);
        if (retval == 1) {
            RETURN_TRUE;
        }
    }
 
    RETURN_FALSE;
}
/* }}} */
 
/* {{{ php_xmlreader_no_arg_string */
static void php_xmlreader_no_arg_string(INTERNAL_FUNCTION_PARAMETERS, xmlreader_read_char_t internal_function) {
    zval *id;
    char *retchar = NULL;
    xmlreader_object *intern;
 
    if (zend_parse_parameters_none() == FAILURE) {
        RETURN_THROWS();
    }
 
    id = ZEND_THIS;
 
    intern = Z_XMLREADER_P(id);
    if (intern->ptr) {
        retchar = (char *)internal_function(intern->ptr);
    }
    if (retchar) {
        RETVAL_STRING(retchar);
        xmlFree(retchar);
        return;
    } else {
        RETVAL_EMPTY_STRING();
    }
}
/* }}} */
 
/* {{{ php_xmlreader_set_relaxng_schema */
static void php_xmlreader_set_relaxng_schema(INTERNAL_FUNCTION_PARAMETERS, int type) {
#ifdef LIBXML_SCHEMAS_ENABLED
    zval *id;
    size_t source_len = 0;
    int retval = -1;
    xmlreader_object *intern;
    xmlRelaxNGPtr schema = NULL;
    char *source;
 
    if (zend_parse_parameters(ZEND_NUM_ARGS(), "p!", &source, &source_len) == FAILURE) {
        RETURN_THROWS();
    }
 
    if (source != NULL && !source_len) {
        zend_argument_must_not_be_empty_error(1);
        RETURN_THROWS();
    }
 
    id = ZEND_THIS;
 
    intern = Z_XMLREADER_P(id);
    if (intern->ptr) {
        if (source) {
            schema =  _xmlreader_get_relaxNG(source, source_len, type, NULL, NULL);
            if (schema) {
                retval = xmlTextReaderRelaxNGSetSchema(intern->ptr, schema);
            }
        } else {
            /* unset the associated relaxNG context and schema if one exists */
            retval = xmlTextReaderRelaxNGSetSchema(intern->ptr, NULL);
        }
 
        if (retval == 0) {
            if (intern->schema) {
                xmlRelaxNGFree((xmlRelaxNGPtr) intern->schema);
            }
 
            intern->schema = schema;
 
            RETURN_TRUE;
        } else {
            php_error_docref(NULL, E_WARNING, "Schema contains errors");
            RETURN_FALSE;
        }
    } else {
        zend_throw_error(NULL, "Schema must be set prior to reading");
        RETURN_THROWS();
    }
#else
    php_error_docref(NULL, E_WARNING, "No schema support built into libxml");
    RETURN_FALSE;
#endif
}
/* }}} */
 
/* {{{ Closes xmlreader - current frees resources until xmlTextReaderClose is fixed in libxml */
PHP_METHOD(XMLReader, close)
{
    zval *id;
    xmlreader_object *intern;
 
    if (zend_parse_parameters_none() == FAILURE) {
        RETURN_THROWS();
    }
 
    id = ZEND_THIS;
    intern = Z_XMLREADER_P(id);
    /* libxml is segfaulting in versions up to 2.6.8 using xmlTextReaderClose so for
    now we will free the whole reader when close is called as it would get rebuilt on
    a new load anyways */
    xmlreader_free_resources(intern);
 
    RETURN_TRUE;
}
/* }}} */
 
/* {{{ Get value of an attribute from current element */
PHP_METHOD(XMLReader, getAttribute)
{
    php_xmlreader_string_arg(INTERNAL_FUNCTION_PARAM_PASSTHRU, xmlTextReaderGetAttribute);
}
/* }}} */
 
/* {{{ Get value of an attribute at index from current element */
PHP_METHOD(XMLReader, getAttributeNo)
{
    zval *id;
    zend_long attr_pos;
    char *retchar = NULL;
    xmlreader_object *intern;
 
    if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &attr_pos) == FAILURE) {
        RETURN_THROWS();
    }
 
    id = ZEND_THIS;
 
    intern = Z_XMLREADER_P(id);
    if (intern->ptr) {
        retchar = (char *)xmlTextReaderGetAttributeNo(intern->ptr, attr_pos);
    }
    if (retchar) {
        RETVAL_STRING(retchar);
        xmlFree(retchar);
    }
}
/* }}} */
 
/* {{{ Get value of a attribute via name and namespace from current element */
PHP_METHOD(XMLReader, getAttributeNs)
{
    zval *id;
    size_t name_len = 0, ns_uri_len = 0;
    xmlreader_object *intern;
    char *name, *ns_uri, *retchar = NULL;
 
    if (zend_parse_parameters(ZEND_NUM_ARGS(), "ss", &name, &name_len, &ns_uri, &ns_uri_len) == FAILURE) {
        RETURN_THROWS();
    }
 
    if (name_len == 0) {
        zend_argument_must_not_be_empty_error(1);
        RETURN_THROWS();
    }
 
    if (ns_uri_len == 0) {
        zend_argument_must_not_be_empty_error(2);
        RETURN_THROWS();
    }
 
    id = ZEND_THIS;
 
    intern = Z_XMLREADER_P(id);
    if (intern->ptr) {
        retchar = (char *)xmlTextReaderGetAttributeNs(intern->ptr, (xmlChar *)name, (xmlChar *)ns_uri);
    }
    if (retchar) {
        RETVAL_STRING(retchar);
        xmlFree(retchar);
    }
}
/* }}} */
 
/* {{{ Indicates whether given property (one of the parser option constants) is set or not on parser */
PHP_METHOD(XMLReader, getParserProperty)
{
    zval *id;
    zend_long property;
    xmlreader_object *intern;
 
    if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &property) == FAILURE) {
        RETURN_THROWS();
    }
 
    id = ZEND_THIS;
 
    intern = Z_XMLREADER_P(id);
    if (!intern || !intern->ptr) {
        zend_throw_error(NULL, "Cannot access parser properties before loading data");
        RETURN_THROWS();
    }
 
    int retval = xmlTextReaderGetParserProp(intern->ptr,property);
    if (retval == -1) {
        zend_argument_value_error(1, "must be a valid parser property");
        RETURN_THROWS();
    }
 
    RETURN_BOOL(retval);
}
/* }}} */
 
/* {{{ Returns boolean indicating if parsed document is valid or not.
Must set XMLREADER_LOADDTD or XMLREADER_VALIDATE parser option prior to the first call to read
or this method will always return FALSE */
PHP_METHOD(XMLReader, isValid)
{
    php_xmlreader_no_arg(INTERNAL_FUNCTION_PARAM_PASSTHRU, xmlTextReaderIsValid);
}
/* }}} */
 
/* {{{ Return namespaceURI for associated prefix on current node */
PHP_METHOD(XMLReader, lookupNamespace)
{
    php_xmlreader_string_arg(INTERNAL_FUNCTION_PARAM_PASSTHRU, xmlTextReaderLookupNamespace);
}
/* }}} */
 
/* {{{ Positions reader at specified attribute - Returns TRUE on success and FALSE on failure */
PHP_METHOD(XMLReader, moveToAttribute)
{
    zval *id;
    size_t name_len = 0;
    int retval;
    xmlreader_object *intern;
    char *name;
 
    if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &name, &name_len) == FAILURE) {
        RETURN_THROWS();
    }
 
    if (name_len == 0) {
        zend_argument_must_not_be_empty_error(1);
        RETURN_THROWS();
    }
 
    id = ZEND_THIS;
 
    intern = Z_XMLREADER_P(id);
    if (intern->ptr) {
        retval = xmlTextReaderMoveToAttribute(intern->ptr, (xmlChar *)name);
        if (retval == 1) {
            RETURN_TRUE;
        }
    }
 
    RETURN_FALSE;
}
/* }}} */
 
/* {{{ Positions reader at attribute at specified index.
Returns TRUE on success and FALSE on failure */
PHP_METHOD(XMLReader, moveToAttributeNo)
{
    zval *id;
    zend_long attr_pos;
    int retval;
    xmlreader_object *intern;
 
    if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &attr_pos) == FAILURE) {
        RETURN_THROWS();
    }
 
    id = ZEND_THIS;
 
    intern = Z_XMLREADER_P(id);
    if (intern->ptr) {
        retval = xmlTextReaderMoveToAttributeNo(intern->ptr, attr_pos);
        if (retval == 1) {
            RETURN_TRUE;
        }
    }
 
    RETURN_FALSE;
}
/* }}} */
 
/* {{{ Positions reader at attribute spcified by name and namespaceURI.
Returns TRUE on success and FALSE on failure */
PHP_METHOD(XMLReader, moveToAttributeNs)
{
    zval *id;
    size_t name_len=0, ns_uri_len=0;
    int retval;
    xmlreader_object *intern;
    char *name, *ns_uri;
 
    if (zend_parse_parameters(ZEND_NUM_ARGS(), "ss", &name, &name_len, &ns_uri, &ns_uri_len) == FAILURE) {
        RETURN_THROWS();
    }
 
    if (name_len == 0) {
        zend_argument_must_not_be_empty_error(1);
        RETURN_THROWS();
    }
 
    if (ns_uri_len == 0) {
        zend_argument_must_not_be_empty_error(2);
        RETURN_THROWS();
    }
 
    id = ZEND_THIS;
 
    intern = Z_XMLREADER_P(id);
    if (intern->ptr) {
        retval = xmlTextReaderMoveToAttributeNs(intern->ptr, (xmlChar *)name, (xmlChar *)ns_uri);
        if (retval == 1) {
            RETURN_TRUE;
        }
    }
 
    RETURN_FALSE;
}
/* }}} */
 
/* {{{ Moves the position of the current instance to the node that contains the current Attribute node. */
PHP_METHOD(XMLReader, moveToElement)
{
    php_xmlreader_no_arg(INTERNAL_FUNCTION_PARAM_PASSTHRU, xmlTextReaderMoveToElement);
}
/* }}} */
 
/* {{{ Moves the position of the current instance to the first attribute associated with the current node. */
PHP_METHOD(XMLReader, moveToFirstAttribute)
{
    php_xmlreader_no_arg(INTERNAL_FUNCTION_PARAM_PASSTHRU, xmlTextReaderMoveToFirstAttribute);
}
/* }}} */
 
/* {{{ Moves the position of the current instance to the next attribute associated with the current node. */
PHP_METHOD(XMLReader, moveToNextAttribute)
{
    php_xmlreader_no_arg(INTERNAL_FUNCTION_PARAM_PASSTHRU, xmlTextReaderMoveToNextAttribute);
}
/* }}} */
 
/* {{{ Moves the position of the current instance to the next node in the stream. */
PHP_METHOD(XMLReader, read)
{
    zval *id;
    int retval;
    xmlreader_object *intern;
 
    if (zend_parse_parameters_none() == FAILURE) {
        RETURN_THROWS();
    }
 
    id = ZEND_THIS;
    intern = Z_XMLREADER_P(id);
    if (!intern->ptr) {
        zend_throw_error(NULL, "Data must be loaded before reading");
        RETURN_THROWS();
    }
 
    retval = xmlTextReaderRead(intern->ptr);
    if (retval == -1) {
        RETURN_FALSE;
    } else {
        RETURN_BOOL(retval);
    }
}
/* }}} */
 
/* {{{ Moves the position of the current instance to the next node in the stream. */
PHP_METHOD(XMLReader, next)
{
    zval *id;
    int retval;
    size_t name_len=0;
    xmlreader_object *intern;
    char *name = NULL;
 
    if (zend_parse_parameters(ZEND_NUM_ARGS(), "|s!", &name, &name_len) == FAILURE) {
        RETURN_THROWS();
    }
 
    id = ZEND_THIS;
    intern = Z_XMLREADER_P(id);
    if (intern->ptr) {
        retval = xmlTextReaderNext(intern->ptr);
        while (name != NULL && retval == 1) {
            if (xmlStrEqual(xmlTextReaderConstLocalName(intern->ptr), (xmlChar *)name)) {
                RETURN_TRUE;
            }
            retval = xmlTextReaderNext(intern->ptr);
        }
        if (retval == -1) {
            RETURN_FALSE;
        } else {
            RETURN_BOOL(retval);
        }
    }
 
    zend_throw_error(NULL, "Data must be loaded before reading");
}
/* }}} */
 
static bool xmlreader_valid_encoding(const char *encoding)
{
    if (!encoding) {
        return true;
    }
 
    /* Normally we could use xmlTextReaderConstEncoding() afterwards but libxml2 < 2.12.0 has a bug of course
     * where it returns NULL for some valid encodings instead. */
    xmlCharEncodingHandlerPtr handler = xmlFindCharEncodingHandler(encoding);
    if (!handler) {
        return false;
    }
    xmlCharEncCloseFunc(handler);
    return true;
}
 
/* {{{ Sets the URI that the XMLReader will parse. */
static void xml_reader_from_uri(INTERNAL_FUNCTION_PARAMETERS, zend_class_entry *instance_ce, bool use_exceptions)
{
    zval *id;
    size_t source_len = 0, encoding_len = 0;
    zend_long options = 0;
    xmlreader_object *intern = NULL;
    char *source, *valid_file = NULL;
    char *encoding = NULL;
    char resolved_path[MAXPATHLEN + 1];
    xmlTextReaderPtr reader = NULL;
 
    if (zend_parse_parameters(ZEND_NUM_ARGS(), "p|p!l", &source, &source_len, &encoding, &encoding_len, &options) == FAILURE) {
        RETURN_THROWS();
    }
 
    id = getThis();
    if (id != NULL) {
        ZEND_ASSERT(instanceof_function(Z_OBJCE_P(id), xmlreader_class_entry));
        intern = Z_XMLREADER_P(id);
        xmlreader_free_resources(intern);
    }
 
    if (!source_len) {
        zend_argument_must_not_be_empty_error(1);
        RETURN_THROWS();
    }
 
    if (!xmlreader_valid_encoding(encoding)) {
        zend_argument_value_error(2, "must be a valid character encoding");
        RETURN_THROWS();
    }
 
    valid_file = _xmlreader_get_valid_file_path(source, resolved_path, MAXPATHLEN );
 
    if (valid_file) {
        PHP_LIBXML_SANITIZE_GLOBALS(reader_for_file);
        reader = xmlReaderForFile(valid_file, encoding, options);
        PHP_LIBXML_RESTORE_GLOBALS(reader_for_file);
    }
 
    if (reader == NULL) {
        if (use_exceptions) {
            zend_throw_error(NULL, "Unable to open source data");
            RETURN_THROWS();
        } else {
            php_error_docref(NULL, E_WARNING, "Unable to open source data");
            RETURN_FALSE;
        }
    }
 
    if (id == NULL) {
        if (UNEXPECTED(object_init_with_constructor(return_value, instance_ce, 0, NULL, NULL) != SUCCESS)) {
            xmlFreeTextReader(reader);
            RETURN_THROWS();
        }
        intern = Z_XMLREADER_P(return_value);
        intern->ptr = reader;
        return;
    }
 
    intern->ptr = reader;
 
    RETURN_TRUE;
 
}
 
PHP_METHOD(XMLReader, open)
{
    xml_reader_from_uri(INTERNAL_FUNCTION_PARAM_PASSTHRU, xmlreader_class_entry, false);
}
 
PHP_METHOD(XMLReader, fromUri)
{
    xml_reader_from_uri(INTERNAL_FUNCTION_PARAM_PASSTHRU, Z_CE_P(ZEND_THIS), true);
}
/* }}} */
 
static int xml_reader_stream_read(void *context, char *buffer, int len)
{
    zend_resource *resource = context;
    if (EXPECTED(resource->ptr)) {
        php_stream *stream = resource->ptr;
        return php_stream_read(stream, buffer, len);
    }
    return -1;
}
 
static int xml_reader_stream_close(void *context)
{
    zend_resource *resource = context;
    /* Don't close it as others may still use it! We don't own the resource!
     * Just delete our reference (and clean up if we're the last one). */
    zend_list_delete(resource);
    return 0;
}
 
PHP_METHOD(XMLReader, fromStream)
{
    zval *stream_zv;
    php_stream *stream;
    char *document_uri = NULL;
    char *encoding_name = NULL;
    size_t document_uri_len, encoding_name_len;
    zend_long flags = 0;
 
    ZEND_PARSE_PARAMETERS_START(1, 4)
        Z_PARAM_RESOURCE(stream_zv);
        Z_PARAM_OPTIONAL
        Z_PARAM_PATH_OR_NULL(encoding_name, encoding_name_len)
        Z_PARAM_LONG(flags)
        Z_PARAM_PATH_OR_NULL(document_uri, document_uri_len)
    ZEND_PARSE_PARAMETERS_END();
 
    php_stream_from_res(stream, Z_RES_P(stream_zv));
 
    if (!xmlreader_valid_encoding(encoding_name)) {
        zend_argument_value_error(2, "must be a valid character encoding");
        RETURN_THROWS();
    }
 
    PHP_LIBXML_SANITIZE_GLOBALS(reader_for_stream);
    xmlTextReaderPtr reader = xmlReaderForIO(
        xml_reader_stream_read,
        xml_reader_stream_close,
        stream->res,
        document_uri,
        encoding_name,
        flags
    );
    PHP_LIBXML_RESTORE_GLOBALS(reader_for_stream);
 
    if (UNEXPECTED(reader == NULL)) {
        zend_throw_error(NULL, "Could not construct libxml reader");
        RETURN_THROWS();
    }
 
    /* When the reader is closed (even in error paths) the reference is destroyed. */
    Z_ADDREF_P(stream_zv);
 
    if (object_init_with_constructor(return_value, Z_CE_P(ZEND_THIS), 0, NULL, NULL) == SUCCESS) {
        xmlreader_object *intern = Z_XMLREADER_P(return_value);
        intern->ptr = reader;
    } else {
        xmlFreeTextReader(reader);
    }
}
 
/* Not Yet Implemented in libxml - functions exist just not coded
PHP_METHOD(XMLReader, resetState)
{
 
}
*/
 
/* {{{ Reads the contents of the current node, including child nodes and markup. */
PHP_METHOD(XMLReader, readInnerXml)
{
    php_xmlreader_no_arg_string(INTERNAL_FUNCTION_PARAM_PASSTHRU, xmlTextReaderReadInnerXml);
}
/* }}} */
 
/* {{{ Reads the contents of the current node, including child nodes and markup. */
PHP_METHOD(XMLReader, readOuterXml)
{
    php_xmlreader_no_arg_string(INTERNAL_FUNCTION_PARAM_PASSTHRU, xmlTextReaderReadOuterXml);
}
/* }}} */
 
/* {{{ Reads the contents of an element or a text node as a string. */
PHP_METHOD(XMLReader, readString)
{
    php_xmlreader_no_arg_string(INTERNAL_FUNCTION_PARAM_PASSTHRU, xmlTextReaderReadString);
}
/* }}} */
 
/* {{{ Use W3C XSD schema to validate the document as it is processed. Activation is only possible before the first Read(). */
PHP_METHOD(XMLReader, setSchema)
{
#ifdef LIBXML_SCHEMAS_ENABLED
    zval *id;
    size_t source_len = 0;
    int retval = -1;
    xmlreader_object *intern;
    char *source;
 
    if (zend_parse_parameters(ZEND_NUM_ARGS(), "p!", &source, &source_len) == FAILURE) {
        RETURN_THROWS();
    }
 
    if (source != NULL && !source_len) {
        zend_argument_must_not_be_empty_error(1);
        RETURN_THROWS();
    }
 
    id = ZEND_THIS;
 
    intern = Z_XMLREADER_P(id);
    if (intern && intern->ptr) {
        PHP_LIBXML_SANITIZE_GLOBALS(schema);
        retval = xmlTextReaderSchemaValidate(intern->ptr, source);
        PHP_LIBXML_RESTORE_GLOBALS(schema);
 
        if (retval == 0) {
            RETURN_TRUE;
        } else {
            php_error_docref(NULL, E_WARNING, "Schema contains errors");
            RETURN_FALSE;
        }
    } else {
        zend_throw_error(NULL, "Schema must be set prior to reading");
        RETURN_THROWS();
    }
#else
    php_error_docref(NULL, E_WARNING, "No schema support built into libxml");
    RETURN_FALSE;
#endif
}
/* }}} */
 
/* {{{ Sets parser property (one of the parser option constants).
Properties must be set after open() or XML() and before the first read() is called */
PHP_METHOD(XMLReader, setParserProperty)
{
    zval *id;
    zend_long property;
    bool value;
    xmlreader_object *intern;
 
    if (zend_parse_parameters(ZEND_NUM_ARGS(), "lb", &property, &value) == FAILURE) {
        RETURN_THROWS();
    }
 
    id = ZEND_THIS;
 
    intern = Z_XMLREADER_P(id);
    if (!intern || !intern->ptr) {
        zend_throw_error(NULL, "Cannot access parser properties before loading data");
        RETURN_THROWS();
    }
 
    int retval = xmlTextReaderSetParserProp(intern->ptr,property, value);
    if (retval == -1) {
        zend_argument_value_error(1, "must be a valid parser property");
        RETURN_THROWS();
    }
 
    RETURN_TRUE;
}
/* }}} */
 
/* {{{ Sets the string that the XMLReader will parse. */
PHP_METHOD(XMLReader, setRelaxNGSchema)
{
    php_xmlreader_set_relaxng_schema(INTERNAL_FUNCTION_PARAM_PASSTHRU, XMLREADER_LOAD_FILE);
}
/* }}} */
 
/* {{{ Sets the string that the XMLReader will parse. */
PHP_METHOD(XMLReader, setRelaxNGSchemaSource)
{
    php_xmlreader_set_relaxng_schema(INTERNAL_FUNCTION_PARAM_PASSTHRU, XMLREADER_LOAD_STRING);
}
/* }}} */
 
/* TODO
XMLPUBFUN int XMLCALL
            xmlTextReaderSetSchema  (xmlTextReaderPtr reader,
                             xmlSchemaPtr schema);
*/
 
/* {{{ Sets the string that the XMLReader will parse. */
static void xml_reader_from_string(INTERNAL_FUNCTION_PARAMETERS, zend_class_entry *instance_ce, bool throw)
{
    zval *id;
    size_t source_len = 0, encoding_len = 0;
    zend_long options = 0;
    xmlreader_object *intern = NULL;
    char *source, *uri = NULL, *encoding = NULL;
    int resolved_path_len, ret = 0;
    char *directory=NULL, resolved_path[MAXPATHLEN + 1];
    xmlParserInputBufferPtr inputbfr;
    xmlTextReaderPtr reader;
 
    if (zend_parse_parameters(ZEND_NUM_ARGS(), "s|p!l", &source, &source_len, &encoding, &encoding_len, &options) == FAILURE) {
        RETURN_THROWS();
    }
 
    id = getThis();
    if (id != NULL) {
        ZEND_ASSERT(instanceof_function(Z_OBJCE_P(id), xmlreader_class_entry));
        intern = Z_XMLREADER_P(id);
        xmlreader_free_resources(intern);
    }
 
    if (!source_len) {
        zend_argument_must_not_be_empty_error(1);
        RETURN_THROWS();
    }
 
    if (!xmlreader_valid_encoding(encoding)) {
        zend_argument_value_error(2, "must be a valid character encoding");
        RETURN_THROWS();
    }
 
    inputbfr = xmlParserInputBufferCreateMem(source, source_len, XML_CHAR_ENCODING_NONE);
 
    if (inputbfr != NULL) {
/* Get the URI of the current script so that we can set the base directory in libxml */
#ifdef HAVE_GETCWD
        directory = VCWD_GETCWD(resolved_path, MAXPATHLEN);
#elif defined(HAVE_GETWD)
        directory = VCWD_GETWD(resolved_path);
#endif
        if (directory) {
            resolved_path_len = strlen(resolved_path);
            if (resolved_path[resolved_path_len - 1] != DEFAULT_SLASH) {
                resolved_path[resolved_path_len] = DEFAULT_SLASH;
                resolved_path[++resolved_path_len] = '\0';
            }
            uri = (char *) xmlCanonicPath((const xmlChar *) resolved_path);
        }
        PHP_LIBXML_SANITIZE_GLOBALS(text_reader);
        reader = xmlNewTextReader(inputbfr, uri);
 
        if (reader != NULL) {
            ret = xmlTextReaderSetup(reader, NULL, uri, encoding, options);
            if (ret == 0) {
                if (id == NULL) {
                    if (UNEXPECTED(object_init_with_constructor(return_value, instance_ce, 0, NULL, NULL) != SUCCESS)) {
                        xmlFree(uri);
                        xmlFreeParserInputBuffer(inputbfr);
                        xmlFreeTextReader(reader);
                        RETURN_THROWS();
                    }
                    intern = Z_XMLREADER_P(return_value);
                } else {
                    RETVAL_TRUE;
                }
                intern->input = inputbfr;
                intern->ptr = reader;
 
                if (uri) {
                    xmlFree(uri);
                }
 
                PHP_LIBXML_RESTORE_GLOBALS(text_reader);
                return;
            }
        }
        PHP_LIBXML_RESTORE_GLOBALS(text_reader);
    }
 
    if (uri) {
        xmlFree(uri);
    }
 
    if (inputbfr) {
        xmlFreeParserInputBuffer(inputbfr);
    }
 
    if (throw) {
        zend_throw_error(NULL, "Unable to load source data");
        RETURN_THROWS();
    } else {
        php_error_docref(NULL, E_WARNING, "Unable to load source data");
        RETURN_FALSE;
    }
}
/* }}} */
 
PHP_METHOD(XMLReader, XML)
{
    xml_reader_from_string(INTERNAL_FUNCTION_PARAM_PASSTHRU, xmlreader_class_entry, false);
}
 
PHP_METHOD(XMLReader, fromString)
{
    xml_reader_from_string(INTERNAL_FUNCTION_PARAM_PASSTHRU, Z_CE_P(ZEND_THIS), true);
}
 
/* {{{ Moves the position of the current instance to the next node in the stream. */
PHP_METHOD(XMLReader, expand)
{
#ifdef HAVE_DOM
    zval *id, *basenode = NULL;
    xmlreader_object *intern;
    xmlNode *node, *nodec;
    xmlDocPtr docp = NULL;
    php_libxml_node_object *domobj = NULL;
 
    id = ZEND_THIS;
    if (zend_parse_parameters(ZEND_NUM_ARGS(), "|O!", &basenode, dom_node_class_entry) == FAILURE) {
        RETURN_THROWS();
    }
 
    if (basenode != NULL) {
        /* Note: cannot use NODE_GET_OBJ here because of the wrong return type */
        domobj = Z_LIBXML_NODE_P(basenode);
        if (UNEXPECTED(domobj->node == NULL)) {
            php_error_docref(NULL, E_WARNING, "Couldn't fetch %s", ZSTR_VAL(Z_OBJCE_P(basenode)->name));
            RETURN_FALSE;
        }
        node = domobj->node->node;
        docp = node->doc;
    }
 
    intern = Z_XMLREADER_P(id);
 
    if (intern->ptr) {
        node = xmlTextReaderExpand(intern->ptr);
 
        if (node == NULL) {
            php_error_docref(NULL, E_WARNING, "An Error Occurred while expanding");
            RETURN_FALSE;
        } else {
            nodec = xmlDocCopyNode(node, docp, 1);
            if (nodec == NULL) {
                php_error_docref(NULL, E_NOTICE, "Cannot expand this node type");
                RETURN_FALSE;
            } else {
                DOM_RET_OBJ(nodec, (dom_object *)domobj);
            }
        }
    } else {
        zend_throw_error(NULL, "Data must be loaded before expanding");
        RETURN_THROWS();
    }
#else
    zval *dummy;
    if (zend_parse_parameters(ZEND_NUM_ARGS(), "|z!", &dummy) == FAILURE) {
        RETURN_THROWS();
    }
 
    zend_throw_error(NULL, "XMLReader::expand() requires the DOM extension to be enabled");
    RETURN_THROWS();
#endif
}
/* }}} */
 
static zend_result (*prev_zend_post_startup_cb)(void);
static zend_result xmlreader_fixup_temporaries(void) {
    if (ZEND_OBSERVER_ENABLED) {
        ++xmlreader_open_fn.T;
        ++xmlreader_xml_fn.T;
    }
#ifndef ZTS
    ZEND_MAP_PTR(xmlreader_open_fn.run_time_cache) = ZEND_MAP_PTR(((zend_internal_function *)zend_hash_str_find_ptr(&xmlreader_class_entry->function_table, "open", sizeof("open")-1))->run_time_cache);
    ZEND_MAP_PTR(xmlreader_xml_fn.run_time_cache) = ZEND_MAP_PTR(((zend_internal_function *)zend_hash_str_find_ptr(&xmlreader_class_entry->function_table, "xml", sizeof("xml")-1))->run_time_cache);
#endif
    if (prev_zend_post_startup_cb) {
        return prev_zend_post_startup_cb();
    }
    return SUCCESS;
}
 
/* {{{ PHP_MINIT_FUNCTION */
PHP_MINIT_FUNCTION(xmlreader)
{
 
    memcpy(&xmlreader_object_handlers, &std_object_handlers, sizeof(zend_object_handlers));
    xmlreader_object_handlers.offset = XtOffsetOf(xmlreader_object, std);
    xmlreader_object_handlers.free_obj = xmlreader_objects_free_storage;
    xmlreader_object_handlers.has_property = xmlreader_has_property;
    xmlreader_object_handlers.read_property = xmlreader_read_property;
    xmlreader_object_handlers.write_property = xmlreader_write_property;
    xmlreader_object_handlers.unset_property = xmlreader_unset_property;
    xmlreader_object_handlers.get_property_ptr_ptr = xmlreader_get_property_ptr_ptr;
    xmlreader_object_handlers.get_method = xmlreader_get_method;
    xmlreader_object_handlers.clone_obj = NULL;
    xmlreader_object_handlers.get_debug_info = xmlreader_get_debug_info;
 
    xmlreader_class_entry = register_class_XMLReader();
    xmlreader_class_entry->create_object = xmlreader_objects_new;
    xmlreader_class_entry->default_object_handlers = &xmlreader_object_handlers;
 
    memcpy(&xmlreader_open_fn, zend_hash_str_find_ptr(&xmlreader_class_entry->function_table, "open", sizeof("open")-1), sizeof(zend_internal_function));
    xmlreader_open_fn.fn_flags &= ~ZEND_ACC_STATIC;
    memcpy(&xmlreader_xml_fn, zend_hash_str_find_ptr(&xmlreader_class_entry->function_table, "xml", sizeof("xml")-1), sizeof(zend_internal_function));
    xmlreader_xml_fn.fn_flags &= ~ZEND_ACC_STATIC;
 
    prev_zend_post_startup_cb = zend_post_startup_cb;
    zend_post_startup_cb = xmlreader_fixup_temporaries;
 
    /* Note: update the size upon adding properties. */
    zend_hash_init(&xmlreader_prop_handlers, 14, NULL, NULL, true);
    XMLREADER_REGISTER_PROP_HANDLER(&xmlreader_prop_handlers, "attributeCount", xmlTextReaderAttributeCount, NULL, IS_LONG);
    XMLREADER_REGISTER_PROP_HANDLER(&xmlreader_prop_handlers, "baseURI", NULL, xmlTextReaderConstBaseUri, IS_STRING);
    XMLREADER_REGISTER_PROP_HANDLER(&xmlreader_prop_handlers, "depth", xmlTextReaderDepth, NULL, IS_LONG);
    XMLREADER_REGISTER_PROP_HANDLER(&xmlreader_prop_handlers, "hasAttributes", xmlTextReaderHasAttributes, NULL, _IS_BOOL);
    XMLREADER_REGISTER_PROP_HANDLER(&xmlreader_prop_handlers, "hasValue", xmlTextReaderHasValue, NULL, _IS_BOOL);
    XMLREADER_REGISTER_PROP_HANDLER(&xmlreader_prop_handlers, "isDefault", xmlTextReaderIsDefault, NULL, _IS_BOOL);
    XMLREADER_REGISTER_PROP_HANDLER(&xmlreader_prop_handlers, "isEmptyElement", xmlTextReaderIsEmptyElement, NULL, _IS_BOOL);
    XMLREADER_REGISTER_PROP_HANDLER(&xmlreader_prop_handlers, "localName", NULL, xmlTextReaderConstLocalName, IS_STRING);
    XMLREADER_REGISTER_PROP_HANDLER(&xmlreader_prop_handlers, "name", NULL, xmlTextReaderConstName, IS_STRING);
    XMLREADER_REGISTER_PROP_HANDLER(&xmlreader_prop_handlers, "namespaceURI", NULL, xmlTextReaderConstNamespaceUri, IS_STRING);
    XMLREADER_REGISTER_PROP_HANDLER(&xmlreader_prop_handlers, "nodeType", xmlTextReaderNodeType, NULL, IS_LONG);
    XMLREADER_REGISTER_PROP_HANDLER(&xmlreader_prop_handlers, "prefix", NULL, xmlTextReaderConstPrefix, IS_STRING);
    XMLREADER_REGISTER_PROP_HANDLER(&xmlreader_prop_handlers, "value", NULL, xmlTextReaderConstValue, IS_STRING);
    XMLREADER_REGISTER_PROP_HANDLER(&xmlreader_prop_handlers, "xmlLang", NULL, xmlTextReaderConstXmlLang, IS_STRING);
 
    return SUCCESS;
}
/* }}} */
 
/* {{{ PHP_MSHUTDOWN_FUNCTION */
PHP_MSHUTDOWN_FUNCTION(xmlreader)
{
    zend_hash_destroy(&xmlreader_prop_handlers);
    return SUCCESS;
}
/* }}} */
 
/* {{{ PHP_MINFO_FUNCTION */
PHP_MINFO_FUNCTION(xmlreader)
{
    php_info_print_table_start();
    {
        php_info_print_table_row(2, "XMLReader", "enabled");
    }
    php_info_print_table_end();
}
/* }}} */