[PHP-DEV] patch to allow negative string offsets in {}

[val khokhlov]

Hello,

    a small patch that allows using negative value for offset in $string{offset}
    $string = "test";
    $string{-1} -> last 't'
    $string{-2} -> 's' and so on...

================<<
--- zend_execute.c      Mon Jul 18 11:20:19 2005
+++ /home/val/src/php/php5.1/php-src/Zend/zend_execute.c        Sat Jul 30 
13:33:57 2005
@@ -1097,6 +1097,7 @@
                                        result->str_offset.str = container;
                                        PZVAL_LOCK(container);
                                        result->str_offset.offset = 
dim->value.lval;
+                                       if (dim->value.lval < 0) 
result->str_offset.offset += container->value.str.len;
                                        result->var.ptr_ptr = NULL;
                                        if (type == BP_VAR_R || type == 
BP_VAR_IS) {
                                                AI_USE_PTR(result->var);

================<<

-- 
Best regards,
 val                          mailto:[EMAIL PROTECTED]
--- zend_execute.c      Mon Jul 18 11:20:19 2005
+++ /home/val/src/php/php5.1/php-src/Zend/zend_execute.c        Sat Jul 30 
13:33:57 2005
@@ -1097,6 +1097,7 @@
                                        result->str_offset.str = container;
                                        PZVAL_LOCK(container);
                                        result->str_offset.offset = 
dim->value.lval;
+                                       if (dim->value.lval < 0) 
result->str_offset.offset += container->value.str.len;
                                        result->var.ptr_ptr = NULL;
                                        if (type == BP_VAR_R || type == 
BP_VAR_IS) {
                                                AI_USE_PTR(result->var);

-- 
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