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read_dimension() handler might return 0, handle this.

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This commit is contained in:
Marcus Boerger 2003-12-11 09:52:33 +00:00
parent ab3afbfdf5
commit b8afd8343a
1 changed files with 9 additions and 5 deletions
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14
Zend/zend_execute.c
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@ -930,12 +930,16 @@ static void zend_fetch_dimension_address(znode *result, znode *op1, znode *op2,
} else {
zval *dim = get_zval_ptr(op2, Ts, &EG(free_op2), BP_VAR_R);
zval *overloaded_result = Z_OBJ_HT_P(container)->read_dimension(container, dim TSRMLS_CC);
if (type == BP_VAR_RW && !overloaded_result->is_ref) {
zend_error(E_ERROR, "Objects used as arrays in post/pre increment/decrement must return values by reference");
}
*retval = &overloaded_result;
if (overloaded_result) {
if (type == BP_VAR_RW && !overloaded_result->is_ref) {
zend_error(E_ERROR, "Objects used as arrays in post/pre increment/decrement must return values by reference");
}
*retval = &overloaded_result;
} else {
*retval = &EG(error_zval_ptr);
}
AI_USE_PTR(T(result->u.var).var);
FREE_OP(Ts, op2, EG(free_op2));
SELECTIVE_PZVAL_LOCK(**retval, result);