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Support isset() on temporaries

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This commit is contained in:
Nikita Popov
2014-05-31 20:05:03 +02:00
parent 5c2120b6cf
commit 96b32ec532
3 changed files with 1564 additions and 38 deletions
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Zend/tests/varSyntax/issetOnTemp.phpt
+26
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@@ -0,0 +1,26 @@
--TEST--
isset() can be used on dereferences of temporary expressions
--FILE--
<?php
var_dump(isset([0, 1][0]));
var_dump(isset(([0, 1] + [])[0]));
var_dump(isset([[0, 1]][0][0]));
var_dump(isset(([[0, 1]] + [])[0][0]));
var_dump(isset(((object) ['a' => 'b'])->a));
var_dump(isset(['a' => 'b']->a));
var_dump(isset("str"->a));
var_dump(isset((['a' => 'b'] + [])->a));
var_dump(isset((['a' => 'b'] + [])->a->b));
?>
--EXPECT--
bool(true)
bool(true)
bool(true)
bool(true)
bool(true)
bool(false)
bool(false)
bool(false)
bool(false)
Zend/zend_vm_def.h
+6 -6
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@@ -1317,7 +1317,7 @@ ZEND_VM_HANDLER(87, ZEND_FETCH_DIM_RW, VAR|CV, CONST|TMP|VAR|UNUSED|CV)
ZEND_VM_NEXT_OPCODE();
}
ZEND_VM_HANDLER(90, ZEND_FETCH_DIM_IS, VAR|CV, CONST|TMP|VAR|CV)
ZEND_VM_HANDLER(90, ZEND_FETCH_DIM_IS, CONST|TMP|VAR|CV, CONST|TMP|VAR|CV)
{
USE_OPLINE
zend_free_op free_op1, free_op2;
@@ -1473,7 +1473,7 @@ ZEND_VM_HANDLER(88, ZEND_FETCH_OBJ_RW, VAR|UNUSED|CV, CONST|TMP|VAR|CV)
ZEND_VM_NEXT_OPCODE();
}
ZEND_VM_HANDLER(91, ZEND_FETCH_OBJ_IS, VAR|UNUSED|CV, CONST|TMP|VAR|CV)
ZEND_VM_HANDLER(91, ZEND_FETCH_OBJ_IS, CONST|TMP|VAR|UNUSED|CV, CONST|TMP|VAR|CV)
{
USE_OPLINE
zend_free_op free_op1;
@@ -4627,7 +4627,7 @@ ZEND_VM_HANDLER(114, ZEND_ISSET_ISEMPTY_VAR, CONST|TMP|VAR|CV, UNUSED|CONST|VAR)
ZEND_VM_NEXT_OPCODE();
}
ZEND_VM_HANDLER(115, ZEND_ISSET_ISEMPTY_DIM_OBJ, VAR|UNUSED|CV, CONST|TMP|VAR|CV)
ZEND_VM_HANDLER(115, ZEND_ISSET_ISEMPTY_DIM_OBJ, CONST|TMP|VAR|UNUSED|CV, CONST|TMP|VAR|CV)
{
USE_OPLINE
zend_free_op free_op1, free_op2;
@@ -4731,12 +4731,12 @@ ZEND_VM_C_LABEL(str_index_prop):
FREE_OP2();
ZVAL_BOOL(EX_VAR(opline->result.var), result);
FREE_OP1_IF_VAR();
FREE_OP1();
CHECK_EXCEPTION();
ZEND_VM_NEXT_OPCODE();
}
ZEND_VM_HANDLER(148, ZEND_ISSET_ISEMPTY_PROP_OBJ, VAR|UNUSED|CV, CONST|TMP|VAR|CV)
ZEND_VM_HANDLER(148, ZEND_ISSET_ISEMPTY_PROP_OBJ, CONST|TMP|VAR|UNUSED|CV, CONST|TMP|VAR|CV)
{
USE_OPLINE
zend_free_op free_op1, free_op2;
@@ -4764,7 +4764,7 @@ ZEND_VM_HANDLER(148, ZEND_ISSET_ISEMPTY_PROP_OBJ, VAR|UNUSED|CV, CONST|TMP|VAR|C
FREE_OP2();
ZVAL_BOOL(EX_VAR(opline->result.var), result);
FREE_OP1_IF_VAR();
FREE_OP1();
CHECK_EXCEPTION();
ZEND_VM_NEXT_OPCODE();
}
Zend/zend_vm_execute.h
+1532 -32
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