/* {{{ proto array SplDoublyLinkedList::__serialize() */ SPL_METHOD(SplDoublyLinkedList, __serialize) { spl_dllist_object *intern = Z_SPLDLLIST_P(ZEND_THIS); spl_ptr_llist_element *current = intern->llist->head; zval tmp; if (zend_parse_parameters_none_throw() == FAILURE) { return; } array_init(return_value); /* flags */ ZVAL_LONG(&tmp, intern->flags); zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &tmp); /* elements */ array_init_size(&tmp, intern->llist->count); while (current) { zend_hash_next_index_insert(Z_ARRVAL(tmp), ¤t->data); current = current->next; } zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &tmp); /* members */ ZVAL_ARR(&tmp, zend_std_get_properties(&intern->std)); Z_TRY_ADDREF(tmp); zend_hash_next_index_insert(Z_ARRVAL_P(return_value), &tmp); } /* }}} */
static HashTable *zend_closure_get_debug_info(zval *object, int *is_temp) /* {{{ */ { zend_closure *closure = (zend_closure *)Z_OBJ_P(object); zval val; struct _zend_arg_info *arg_info = closure->func.common.arg_info; *is_temp = 0; if (closure->debug_info == NULL) { ALLOC_HASHTABLE(closure->debug_info); zend_hash_init(closure->debug_info, 8, NULL, ZVAL_PTR_DTOR, 0); } if (closure->debug_info->u.v.nApplyCount == 0) { if (closure->func.type == ZEND_USER_FUNCTION && closure->func.op_array.static_variables) { HashTable *static_variables = closure->func.op_array.static_variables; ZVAL_ARR(&val, zend_array_dup(static_variables)); zend_hash_str_update(closure->debug_info, "static", sizeof("static")-1, &val); } if (Z_TYPE(closure->this_ptr) != IS_UNDEF) { Z_ADDREF(closure->this_ptr); zend_hash_str_update(closure->debug_info, "this", sizeof("this")-1, &closure->this_ptr); } if (arg_info && (closure->func.common.num_args || (closure->func.common.fn_flags & ZEND_ACC_VARIADIC))) { uint32_t i, num_args, required = closure->func.common.required_num_args; array_init(&val); num_args = closure->func.common.num_args; if (closure->func.common.fn_flags & ZEND_ACC_VARIADIC) { num_args++; } for (i = 0; i < num_args; i++) { zend_string *name; zval info; if (arg_info->name) { name = zend_strpprintf(0, "%s$%s", arg_info->pass_by_reference ? "&" : "", arg_info->name->val); } else { name = zend_strpprintf(0, "%s$param%d", arg_info->pass_by_reference ? "&" : "", i + 1); } ZVAL_NEW_STR(&info, zend_strpprintf(0, "%s", i >= required ? "<optional>" : "<required>")); zend_hash_update(Z_ARRVAL(val), name, &info); zend_string_release(name); arg_info++; } zend_hash_str_update(closure->debug_info, "parameter", sizeof("parameter")-1, &val); } } return closure->debug_info; }
static zend_bool php_auto_globals_create_globals(zend_string *name) /* {{{ */ { zval globals; ZVAL_ARR(&globals, &EG(symbol_table)); ZVAL_NEW_REF(&globals, &globals); zend_hash_update(&EG(symbol_table).ht, name, &globals); return 0; }
static zend_bool php_auto_globals_create_globals(zend_string *name) /* {{{ */ { zval globals; ZVAL_ARR(&globals, &EG(symbol_table)); Z_TYPE_INFO_P(&globals) = IS_ARRAY | (IS_TYPE_SYMBOLTABLE << Z_TYPE_FLAGS_SHIFT); ZVAL_NEW_REF(&globals, &globals); zend_hash_update(&EG(symbol_table), name, &globals); return 0; }
ZEND_API void ZEND_FASTCALL zval_copy_ctor_func(zval *zvalue) { if (EXPECTED(Z_TYPE_P(zvalue) == IS_ARRAY)) { ZVAL_ARR(zvalue, zend_array_dup(Z_ARRVAL_P(zvalue))); } else if (EXPECTED(Z_TYPE_P(zvalue) == IS_STRING)) { ZEND_ASSERT(!ZSTR_IS_INTERNED(Z_STR_P(zvalue))); CHECK_ZVAL_STRING(Z_STR_P(zvalue)); ZVAL_NEW_STR(zvalue, zend_string_dup(Z_STR_P(zvalue), 0)); } }
static zend_bool php_auto_globals_create_globals(zend_string *name) /* {{{ */ { zval globals; /* IS_ARRAY, but with ref-counter 1 and not IS_TYPE_REFCOUNTED */ ZVAL_ARR(&globals, &EG(symbol_table)); Z_TYPE_FLAGS_P(&globals) = 0; ZVAL_NEW_REF(&globals, &globals); zend_hash_update(&EG(symbol_table), name, &globals); return 0; }
static void php_exec_ex(INTERNAL_FUNCTION_PARAMETERS, int mode) /* {{{ */ { char *cmd; size_t cmd_len; zval *ret_code=NULL, *ret_array=NULL; int ret; ZEND_PARSE_PARAMETERS_START(1, (mode ? 2 : 3)) Z_PARAM_STRING(cmd, cmd_len) Z_PARAM_OPTIONAL if (!mode) { Z_PARAM_ZVAL_DEREF(ret_array) } Z_PARAM_ZVAL_DEREF(ret_code) ZEND_PARSE_PARAMETERS_END_EX(RETURN_FALSE); if (!cmd_len) { php_error_docref(NULL, E_WARNING, "Cannot execute a blank command"); RETURN_FALSE; } if (strlen(cmd) != cmd_len) { php_error_docref(NULL, E_WARNING, "NULL byte detected. Possible attack"); RETURN_FALSE; } if (!ret_array) { ret = php_exec(mode, cmd, NULL, return_value); } else { if (Z_TYPE_P(ret_array) != IS_ARRAY) { zval_ptr_dtor(ret_array); array_init(ret_array); } else if (Z_REFCOUNT_P(ret_array) > 1) { zval_ptr_dtor(ret_array); ZVAL_ARR(ret_array, zend_array_dup(Z_ARR_P(ret_array))); } ret = php_exec(2, cmd, ret_array, return_value); } if (ret_code) { zval_ptr_dtor(ret_code); ZVAL_LONG(ret_code, ret); } }
static HashTable *zend_closure_get_debug_info(zval *object, int *is_temp) /* {{{ */ { zend_closure *closure = (zend_closure *)Z_OBJ_P(object); zval val; struct _zend_arg_info *arg_info = closure->func.common.arg_info; HashTable *debug_info; zend_bool zstr_args = (closure->func.type == ZEND_USER_FUNCTION) || (closure->func.common.fn_flags & ZEND_ACC_USER_ARG_INFO); *is_temp = 1; debug_info = zend_new_array(8); if (closure->func.type == ZEND_USER_FUNCTION && closure->func.op_array.static_variables) { HashTable *static_variables = closure->func.op_array.static_variables; ZVAL_ARR(&val, zend_array_dup(static_variables)); zend_hash_update(debug_info, ZSTR_KNOWN(ZEND_STR_STATIC), &val); } if (Z_TYPE(closure->this_ptr) != IS_UNDEF) { Z_ADDREF(closure->this_ptr); zend_hash_update(debug_info, ZSTR_KNOWN(ZEND_STR_THIS), &closure->this_ptr); } if (arg_info && (closure->func.common.num_args || (closure->func.common.fn_flags & ZEND_ACC_VARIADIC))) { uint32_t i, num_args, required = closure->func.common.required_num_args; array_init(&val); num_args = closure->func.common.num_args; if (closure->func.common.fn_flags & ZEND_ACC_VARIADIC) { num_args++; } for (i = 0; i < num_args; i++) { zend_string *name; zval info; if (arg_info->name) { if (zstr_args) { name = zend_strpprintf(0, "%s$%s", arg_info->pass_by_reference ? "&" : "", ZSTR_VAL(arg_info->name)); } else { name = zend_strpprintf(0, "%s$%s", arg_info->pass_by_reference ? "&" : "", ((zend_internal_arg_info*)arg_info)->name); } } else { name = zend_strpprintf(0, "%s$param%d", arg_info->pass_by_reference ? "&" : "", i + 1); } ZVAL_NEW_STR(&info, zend_strpprintf(0, "%s", i >= required ? "<optional>" : "<required>")); zend_hash_update(Z_ARRVAL(val), name, &info); zend_string_release_ex(name, 0); arg_info++; } zend_hash_str_update(debug_info, "parameter", sizeof("parameter")-1, &val); } return debug_info; }
int zend_dfa_optimize_calls(zend_op_array *op_array, zend_ssa *ssa) { zend_func_info *func_info = ZEND_FUNC_INFO(op_array); int removed_ops = 0; if (func_info->callee_info) { zend_call_info *call_info = func_info->callee_info; do { if (call_info->caller_call_opline->opcode == ZEND_DO_ICALL && call_info->callee_func && ZSTR_LEN(call_info->callee_func->common.function_name) == sizeof("in_array")-1 && memcmp(ZSTR_VAL(call_info->callee_func->common.function_name), "in_array", sizeof("in_array")-1) == 0 && (call_info->caller_init_opline->extended_value == 2 || (call_info->caller_init_opline->extended_value == 3 && (call_info->caller_call_opline - 1)->opcode == ZEND_SEND_VAL && (call_info->caller_call_opline - 1)->op1_type == IS_CONST))) { zend_op *send_array; zend_op *send_needly; zend_bool strict = 0; if (call_info->caller_init_opline->extended_value == 2) { send_array = call_info->caller_call_opline - 1; send_needly = call_info->caller_call_opline - 2; } else { if (zend_is_true(CT_CONSTANT_EX(op_array, (call_info->caller_call_opline - 1)->op1.constant))) { strict = 1; } send_array = call_info->caller_call_opline - 2; send_needly = call_info->caller_call_opline - 3; } if (send_array->opcode == ZEND_SEND_VAL && send_array->op1_type == IS_CONST && Z_TYPE_P(CT_CONSTANT_EX(op_array, send_array->op1.constant)) == IS_ARRAY && (send_needly->opcode == ZEND_SEND_VAL || send_needly->opcode == ZEND_SEND_VAR) ) { int ok = 1; HashTable *src = Z_ARRVAL_P(CT_CONSTANT_EX(op_array, send_array->op1.constant)); HashTable *dst; zval *val, tmp; zend_ulong idx; ZVAL_TRUE(&tmp); dst = zend_new_array(zend_hash_num_elements(src)); if (strict) { ZEND_HASH_FOREACH_VAL(src, val) { if (Z_TYPE_P(val) == IS_STRING) { zend_hash_add(dst, Z_STR_P(val), &tmp); } else if (Z_TYPE_P(val) == IS_LONG) { zend_hash_index_add(dst, Z_LVAL_P(val), &tmp); } else { zend_array_destroy(dst); ok = 0; break; } } ZEND_HASH_FOREACH_END(); } else { ZEND_HASH_FOREACH_VAL(src, val) { if (Z_TYPE_P(val) != IS_STRING || ZEND_HANDLE_NUMERIC(Z_STR_P(val), idx)) { zend_array_destroy(dst); ok = 0; break; } zend_hash_add(dst, Z_STR_P(val), &tmp); } ZEND_HASH_FOREACH_END(); } if (ok) { uint32_t op_num = send_needly - op_array->opcodes; zend_ssa_op *ssa_op = ssa->ops + op_num; if (ssa_op->op1_use >= 0) { /* Reconstruct SSA */ int var_num = ssa_op->op1_use; zend_ssa_var *var = ssa->vars + var_num; ZEND_ASSERT(ssa_op->op1_def < 0); zend_ssa_unlink_use_chain(ssa, op_num, ssa_op->op1_use); ssa_op->op1_use = -1; ssa_op->op1_use_chain = -1; op_num = call_info->caller_call_opline - op_array->opcodes; ssa_op = ssa->ops + op_num; ssa_op->op1_use = var_num; ssa_op->op1_use_chain = var->use_chain; var->use_chain = op_num; } ZVAL_ARR(&tmp, dst); /* Update opcode */ call_info->caller_call_opline->opcode = ZEND_IN_ARRAY; call_info->caller_call_opline->extended_value = strict; call_info->caller_call_opline->op1_type = send_needly->op1_type; call_info->caller_call_opline->op1.num = send_needly->op1.num; call_info->caller_call_opline->op2_type = IS_CONST; call_info->caller_call_opline->op2.constant = zend_optimizer_add_literal(op_array, &tmp); if (call_info->caller_init_opline->extended_value == 3) { MAKE_NOP(call_info->caller_call_opline - 1); } MAKE_NOP(call_info->caller_init_opline); MAKE_NOP(send_needly); MAKE_NOP(send_array); removed_ops++; } }