Index: /trunk/const_string_opcodes_php5.0.h
===================================================================
--- /trunk/const_string_opcodes_php5.0.h	(revision 56)
+++ /trunk/const_string_opcodes_php5.0.h	(revision 56)
@@ -0,0 +1,153 @@
+/* size = 149 */
+static const char *const xc_opcode_names[] = {
+/* 0 */	"NOP",
+/* 1 */	"ADD",
+/* 2 */	"SUB",
+/* 3 */	"MUL",
+/* 4 */	"DIV",
+/* 5 */	"MOD",
+/* 6 */	"SL",
+/* 7 */	"SR",
+/* 8 */	"CONCAT",
+/* 9 */	"BW_OR",
+/* 10 */	"BW_AND",
+/* 11 */	"BW_XOR",
+/* 12 */	"BW_NOT",
+/* 13 */	"BOOL_NOT",
+/* 14 */	"BOOL_XOR",
+/* 15 */	"IS_IDENTICAL",
+/* 16 */	"IS_NOT_IDENTICAL",
+/* 17 */	"IS_EQUAL",
+/* 18 */	"IS_NOT_EQUAL",
+/* 19 */	"IS_SMALLER",
+/* 20 */	"IS_SMALLER_OR_EQUAL",
+/* 21 */	"CAST",
+/* 22 */	"QM_ASSIGN",
+/* 23 */	"ASSIGN_ADD",
+/* 24 */	"ASSIGN_SUB",
+/* 25 */	"ASSIGN_MUL",
+/* 26 */	"ASSIGN_DIV",
+/* 27 */	"ASSIGN_MOD",
+/* 28 */	"ASSIGN_SL",
+/* 29 */	"ASSIGN_SR",
+/* 30 */	"ASSIGN_CONCAT",
+/* 31 */	"ASSIGN_BW_OR",
+/* 32 */	"ASSIGN_BW_AND",
+/* 33 */	"ASSIGN_BW_XOR",
+/* 34 */	"PRE_INC",
+/* 35 */	"PRE_DEC",
+/* 36 */	"POST_INC",
+/* 37 */	"POST_DEC",
+/* 38 */	"ASSIGN",
+/* 39 */	"ASSIGN_REF",
+/* 40 */	"ECHO",
+/* 41 */	"PRINT",
+/* 42 */	"JMP",
+/* 43 */	"JMPZ",
+/* 44 */	"JMPNZ",
+/* 45 */	"JMPZNZ",
+/* 46 */	"JMPZ_EX",
+/* 47 */	"JMPNZ_EX",
+/* 48 */	"CASE",
+/* 49 */	"SWITCH_FREE",
+/* 50 */	"BRK",
+/* 51 */	"CONT",
+/* 52 */	"BOOL",
+/* 53 */	"INIT_STRING",
+/* 54 */	"ADD_CHAR",
+/* 55 */	"ADD_STRING",
+/* 56 */	"ADD_VAR",
+/* 57 */	"BEGIN_SILENCE",
+/* 58 */	"END_SILENCE",
+/* 59 */	"INIT_FCALL_BY_NAME",
+/* 60 */	"DO_FCALL",
+/* 61 */	"DO_FCALL_BY_NAME",
+/* 62 */	"RETURN",
+/* 63 */	"RECV",
+/* 64 */	"RECV_INIT",
+/* 65 */	"SEND_VAL",
+/* 66 */	"SEND_VAR",
+/* 67 */	"SEND_REF",
+/* 68 */	"NEW",
+/* 69 */	"JMP_NO_CTOR",
+/* 70 */	"FREE",
+/* 71 */	"INIT_ARRAY",
+/* 72 */	"ADD_ARRAY_ELEMENT",
+/* 73 */	"INCLUDE_OR_EVAL",
+/* 74 */	"UNSET_VAR",
+/* 75 */	"UNSET_DIM_OBJ",
+/* 76 */	"UNDEF",
+/* 77 */	"FE_RESET",
+/* 78 */	"FE_FETCH",
+/* 79 */	"EXIT",
+/* 80 */	"FETCH_R",
+/* 81 */	"FETCH_DIM_R",
+/* 82 */	"FETCH_OBJ_R",
+/* 83 */	"FETCH_W",
+/* 84 */	"FETCH_DIM_W",
+/* 85 */	"FETCH_OBJ_W",
+/* 86 */	"FETCH_RW",
+/* 87 */	"FETCH_DIM_RW",
+/* 88 */	"FETCH_OBJ_RW",
+/* 89 */	"FETCH_IS",
+/* 90 */	"FETCH_DIM_IS",
+/* 91 */	"FETCH_OBJ_IS",
+/* 92 */	"FETCH_FUNC_ARG",
+/* 93 */	"FETCH_DIM_FUNC_ARG",
+/* 94 */	"FETCH_OBJ_FUNC_ARG",
+/* 95 */	"FETCH_UNSET",
+/* 96 */	"FETCH_DIM_UNSET",
+/* 97 */	"FETCH_OBJ_UNSET",
+/* 98 */	"FETCH_DIM_TMP_VAR",
+/* 99 */	"FETCH_CONSTANT",
+/* 100 */	"UNDEF",
+/* 101 */	"EXT_STMT",
+/* 102 */	"EXT_FCALL_BEGIN",
+/* 103 */	"EXT_FCALL_END",
+/* 104 */	"EXT_NOP",
+/* 105 */	"TICKS",
+/* 106 */	"SEND_VAR_NO_REF",
+/* 107 */	"CATCH",
+/* 108 */	"THROW",
+/* 109 */	"FETCH_CLASS",
+/* 110 */	"CLONE",
+/* 111 */	"INIT_CTOR_CALL",
+/* 112 */	"INIT_METHOD_CALL",
+/* 113 */	"INIT_STATIC_METHOD_CALL",
+/* 114 */	"ISSET_ISEMPTY_VAR",
+/* 115 */	"ISSET_ISEMPTY_DIM_OBJ",
+/* 116 */	"UNDEF",
+/* 117 */	"UNDEF",
+/* 118 */	"UNDEF",
+/* 119 */	"UNDEF",
+/* 120 */	"UNDEF",
+/* 121 */	"UNDEF",
+/* 122 */	"UNDEF",
+/* 123 */	"UNDEF",
+/* 124 */	"UNDEF",
+/* 125 */	"UNDEF",
+/* 126 */	"UNDEF",
+/* 127 */	"UNDEF",
+/* 128 */	"UNDEF",
+/* 129 */	"UNDEF",
+/* 130 */	"UNDEF",
+/* 131 */	"UNDEF",
+/* 132 */	"PRE_INC_OBJ",
+/* 133 */	"PRE_DEC_OBJ",
+/* 134 */	"POST_INC_OBJ",
+/* 135 */	"POST_DEC_OBJ",
+/* 136 */	"ASSIGN_OBJ",
+/* 137 */	"OP_DATA",
+/* 138 */	"INSTANCEOF",
+/* 139 */	"DECLARE_CLASS",
+/* 140 */	"DECLARE_INHERITED_CLASS",
+/* 141 */	"DECLARE_FUNCTION",
+/* 142 */	"RAISE_ABSTRACT_ERROR",
+/* 143 */	"UNDEF",
+/* 144 */	"ADD_INTERFACE",
+/* 145 */	"UNDEF",
+/* 146 */	"VERIFY_ABSTRACT_CLASS",
+/* 147 */	"ASSIGN_DIM",
+/* 148 */	"ISSET_ISEMPTY_PROP_OBJ",
+/* 149 */	"HANDLE_EXCEPTION"
+};
Index: /trunk/processor/head.m4
===================================================================
--- /trunk/processor/head.m4	(revision 55)
+++ /trunk/processor/head.m4	(revision 56)
@@ -192,6 +192,8 @@
 		SET_IF_SAME_NAME(__get);
 		SET_IF_SAME_NAME(__set);
+#ifdef ZEND_ENGINE_2_1
 		SET_IF_SAME_NAME(__unset);
 		SET_IF_SAME_NAME(__isset);
+#endif
 		SET_IF_SAME_NAME(__call);
 #if PHP_MAJOR_VERSION >= 6
Index: /trunk/processor/processor.m4
===================================================================
--- /trunk/processor/processor.m4	(revision 55)
+++ /trunk/processor/processor.m4	(revision 56)
@@ -233,6 +233,8 @@
 	PROC_USTRING_L(, name, name_length)
 	DISPATCH(ulong, h)
+#ifdef ZEND_ENGINE_2_1
 	DISPATCH(int, doc_comment_len)
 	PROC_USTRING_L(, doc_comment, doc_comment_len)
+#endif
 ')
 #endif