Changes made to source and tests to support PHP 7.3 (#822)

* Changes made to support php 7.3

* Correct use of the smart pointer

* Fixed the tests for 7.3

* Some clean up for array_init()

* Fixed formattings and clean up

source/pdo_sqlsrv/pdo_dbh.cpp

@@ -546,7 +546,7 @@ int pdo_sqlsrv_db_handle_factory( _Inout_ pdo_dbh_t *dbh, _In_opt_ zval *driver_
     ALLOC_HASHTABLE( pdo_conn_options_ht );
 
     core::sqlsrv_zend_hash_init( *g_pdo_henv_cp, pdo_conn_options_ht, 10 /* # of buckets */, 
-                                 ZVAL_INTERNAL_DTOR, 0 /*persistent*/ TSRMLS_CC );
+                                 ZVAL_PTR_DTOR, 0 /*persistent*/ TSRMLS_CC );
 
     // Either of g_pdo_henv_cp or g_pdo_henv_ncp can be used to propogate the error.
     dsn_parser = new ( sqlsrv_malloc( sizeof( conn_string_parser ))) conn_string_parser( *g_pdo_henv_cp, dbh->data_source, 

source/pdo_sqlsrv/pdo_util.cpp

@@ -512,7 +512,7 @@ bool pdo_sqlsrv_handle_dbh_error( _Inout_ sqlsrv_context& ctx, _In_opt_ unsigned
                 msg = static_cast<char*>( sqlsrv_malloc( msg_len ) );
                 core_sqlsrv_format_message( msg, static_cast<unsigned int>( msg_len ), WARNING_TEMPLATE, error->sqlstate, error->native_code,
                                             error->native_message );
-                php_error( E_WARNING, msg );
+                php_error(E_WARNING, "%s", msg.get());
             }
             ctx.set_last_error( error );
             break;

source/shared/core_sqlsrv.h

@@ -693,9 +693,9 @@ public:
     // free the original pointer and assign a new pointer. Use NULL to simply free the pointer.
     void reset( _In_opt_ HashTable* ptr = NULL )
     {
-        if( _ptr ) {
-            zend_hash_destroy( _ptr );
-            FREE_HASHTABLE( _ptr );
+        if (_ptr != NULL) {
+            zend_hash_destroy(_ptr);
+            FREE_HASHTABLE(_ptr);
         }
         _ptr = ptr;
     }
@@ -2377,10 +2377,13 @@ namespace core {
 
     inline void sqlsrv_array_init( _Inout_ sqlsrv_context& ctx, _Out_ zval* new_array TSRMLS_DC) 
     {
-        int zr = ::array_init(new_array);
-        CHECK_ZEND_ERROR( zr, ctx, SQLSRV_ERROR_ZEND_HASH ) {
+#if PHP_VERSION_ID < 70300
+        CHECK_ZEND_ERROR(::array_init(new_array), ctx, SQLSRV_ERROR_ZEND_HASH) {
             throw CoreException();
         }
+#else
+        array_init(new_array);
+#endif
     }
 
     inline void sqlsrv_php_stream_from_zval_no_verify( _Inout_ sqlsrv_context& ctx, _Outref_result_maybenull_ php_stream*& stream, _In_opt_ zval* stream_z TSRMLS_DC )

source/shared/core_util.cpp

@@ -352,11 +352,11 @@ void die( _In_opt_ const char* msg, ... )
     va_start( format_args, msg );
     DWORD rc = FormatMessage( FORMAT_MESSAGE_FROM_STRING, msg, 0, 0, last_err_msg, sizeof( last_err_msg ), &format_args );
     va_end( format_args );
-    if( rc == 0 ) {
-        php_error( E_ERROR, reinterpret_cast<const char*>( INTERNAL_FORMAT_ERROR ));
+    if (rc == 0) {
+        php_error(E_ERROR, "%s", reinterpret_cast<const char*>(INTERNAL_FORMAT_ERROR));
     }
 
-    php_error( E_ERROR, last_err_msg );
+    php_error(E_ERROR, "%s", last_err_msg);
 }
 
 namespace {

source/sqlsrv/stmt.cpp

@@ -889,7 +889,9 @@ PHP_FUNCTION( sqlsrv_fetch_object )
             fci.object = Z_OBJ_P( &retval_z );
 
             memset( &fcic, 0, sizeof( fcic ));
+#if PHP_VERSION_ID < 70300
             fcic.initialized = 1;
+#endif
             fcic.function_handler = class_entry->constructor;
             fcic.calling_scope = class_entry;
 
@@ -1806,10 +1808,14 @@ void fetch_fields_common( _Inout_ ss_sqlsrv_stmt* stmt, _In_ zend_long fetch_typ
         field_names.transferred();
     }
 
-    int zr = array_init( &fields );
-	CHECK_ZEND_ERROR( zr, stmt, SQLSRV_ERROR_ZEND_HASH ) {
-		throw ss::SSException();
-	}
+    int zr = SUCCESS;
+#if PHP_VERSION_ID < 70300
+    CHECK_ZEND_ERROR(array_init(&fields), stmt, SQLSRV_ERROR_ZEND_HASH) {
+        throw ss::SSException();
+    }
+#else
+    array_init(&fields); 
+#endif 
 
 	for( int i = 0; i < num_cols; ++i ) {
 		SQLLEN field_len = -1;

source/sqlsrv/util.cpp

@@ -498,18 +498,21 @@ PHP_FUNCTION( sqlsrv_errors )
 
     LOG_FUNCTION( "sqlsrv_errors" );
 
-	if(( zend_parse_parameters( ZEND_NUM_ARGS() TSRMLS_CC, "|l", &flags ) == FAILURE ) ||
-		( flags != SQLSRV_ERR_ALL && flags != SQLSRV_ERR_ERRORS && flags != SQLSRV_ERR_WARNINGS )) {
-		LOG( SEV_ERROR, "An invalid parameter was passed to %1!s!.", _FN_ );
-		RETURN_FALSE;
-	}
-	int result;
-	zval err_z;
-	ZVAL_UNDEF( &err_z );
-	result = array_init( &err_z );
-	if( result == FAILURE ) {
-		RETURN_FALSE;
-	}
+    if(( zend_parse_parameters( ZEND_NUM_ARGS() TSRMLS_CC, "|l", &flags ) == FAILURE ) ||
+        ( flags != SQLSRV_ERR_ALL && flags != SQLSRV_ERR_ERRORS && flags != SQLSRV_ERR_WARNINGS )) {
+        LOG( SEV_ERROR, "An invalid parameter was passed to %1!s!.", _FN_ );
+        RETURN_FALSE;
+    }
+    zval err_z;
+    ZVAL_UNDEF(&err_z);
+#if PHP_VERSION_ID < 70300
+    if (array_init(&err_z) == FAILURE) {
+        RETURN_FALSE;
+    }
+#else
+    array_init(&err_z);
+#endif
+
 	if( flags == SQLSRV_ERR_ALL || flags == SQLSRV_ERR_ERRORS ) {
 		if( Z_TYPE( SQLSRV_G( errors )) == IS_ARRAY && !sqlsrv_merge_zend_hash( &err_z, &SQLSRV_G( errors ) TSRMLS_CC )) {
 			zval_ptr_dtor(&err_z);
@@ -746,10 +749,13 @@ sqlsrv_error_const* get_error_message( _In_ unsigned int sqlsrv_error_code ) {
 void copy_error_to_zval( _Inout_ zval* error_z, _In_ sqlsrv_error_const* error, _Inout_ zval* reported_chain, _Inout_ zval* ignored_chain, 
                          _In_ bool warning TSRMLS_DC )
 {
-
-    if( array_init( error_z ) == FAILURE ) {
+#if PHP_VERSION_ID < 70300
+    if (array_init(error_z) == FAILURE) {
         DIE( "Fatal error during error processing" );
     }
+#else
+    array_init(error_z);
+#endif
 
     // sqlstate
     zval temp; 
@@ -828,7 +834,6 @@ bool handle_errors_and_warnings( _Inout_ sqlsrv_context& ctx, _Inout_ zval* repo
     size_t prev_reported_cnt = 0;
     bool reported_chain_was_null = false;
     bool ignored_chain_was_null = false;
-    int zr = SUCCESS;
     zval error_z;
 	ZVAL_UNDEF(&error_z);
     sqlsrv_error_auto_ptr error;
@@ -837,10 +842,13 @@ bool handle_errors_and_warnings( _Inout_ sqlsrv_context& ctx, _Inout_ zval* repo
     if( Z_TYPE_P( reported_chain ) == IS_NULL ) {
 
         reported_chain_was_null = true;
-        zr = array_init( reported_chain );
-        if( zr == FAILURE ) {
-            DIE( "Fatal error in handle_errors_and_warnings" );
+#if PHP_VERSION_ID < 70300
+        if (array_init(reported_chain) == FAILURE) {
+            DIE( "Fatal error during error processing" );
         }
+#else
+        array_init(reported_chain);
+#endif
     }
     else {
         prev_reported_cnt = zend_hash_num_elements( Z_ARRVAL_P( reported_chain ));
@@ -851,11 +859,14 @@ bool handle_errors_and_warnings( _Inout_ sqlsrv_context& ctx, _Inout_ zval* repo
         
         if( Z_TYPE_P( ignored_chain ) == IS_NULL ) {
             
-           ignored_chain_was_null = true;
-           zr = array_init( ignored_chain );
-            if( zr == FAILURE ) {
+            ignored_chain_was_null = true;
+#if PHP_VERSION_ID < 70300
+            if (array_init(ignored_chain) == FAILURE) {
                 DIE( "Fatal error in handle_errors_and_warnings" );
             }
+#else
+            array_init( ignored_chain );
+#endif
         }
     }
 

test/functional/sqlsrv/sqlsrv_errors.phpt

@@ -119,7 +119,7 @@ sqlsrv_close returns true even if an error happens.
     echo "Test successfully done.\n";
 ?>
 --EXPECTF--
-Warning: sqlsrv_close() expects parameter 1 to be resource, boolean given in %Ssqlsrv_errors.php on line %x
+Warning: sqlsrv_close() expects parameter 1 to be resource, bool%S given in %Ssqlsrv_errors.php on line %x
 Array
 (
     [0] => Array
@@ -153,7 +153,7 @@ Array
 
 )
 
-Warning: sqlsrv_free_stmt() expects parameter 1 to be resource, integer given in %Ssqlsrv_errors.php on line %x
+Warning: sqlsrv_free_stmt() expects parameter 1 to be resource, int%S given in %Ssqlsrv_errors.php on line %x
 Array
 (
     [0] => Array
@@ -172,7 +172,7 @@ Warning: sqlsrv_close(): supplied resource is not a valid ss_sqlsrv_conn resourc
 
 Warning: sqlsrv_close() expects parameter 1 to be resource, null given in %Ssqlsrv_errors.php on line %x
 
-Warning: sqlsrv_close() expects parameter 1 to be resource, integer given in %Ssqlsrv_errors.php on line %x
+Warning: sqlsrv_close() expects parameter 1 to be resource, int%S given in %Ssqlsrv_errors.php on line %x
 Array
 (
     [0] => Array

test/functional/sqlsrv/test_conn_execute.phpt

@@ -20,5 +20,5 @@ crash caused by a statement being orphaned when an error occurred during sqlsrv_
 
 ?> 
 --EXPECTREGEX--
-Warning: sqlsrv_fetch_array\(\) expects parameter 1 to be resource, boolean given in .+(\/|\\)test_conn_execute\.php on line 11
+Warning: sqlsrv_fetch_array\(\) expects parameter 1 to be resource, bool(ean){0,1} given in .+(\/|\\)test_conn_execute\.php on line 11
 Test successful

test/functional/sqlsrv/test_non_alpha_password.phpt

@@ -57,5 +57,5 @@ print "Test successful";
 ?> 
 --EXPECTREGEX--
 An unescaped right brace \(}\) was found in either the user name or password.  All right braces must be escaped with another right brace \(}}\)\.
-Warning: sqlsrv_close\(\) expects parameter 1 to be resource, boolean given in .+(\/|\\)test_non_alpha_password\.php on line 45
+Warning: sqlsrv_close\(\) expects parameter 1 to be resource, bool(ean){0,1} given in .+(\/|\\)test_non_alpha_password\.php on line 45
 Test successful