- Fixed bug #52193 (converting closure to array yields empty array)

2 files changed, 87 insertions, 1 deletions

diff --git a/Zend/tests/bug52193.phpt b/Zend/tests/bug52193.phpt
new file mode 100644
index 0000000000..b4e4b3aab9
--- /dev/null
+++ b/Zend/tests/bug52193.phpt
@@ -0,0 +1,78 @@
+--TEST--
+Bug #52193 (converting closure to array yields empty array)
+--FILE--
+<?php
+
+var_dump((array) 1);
+var_dump((array) NULL);
+var_dump((array) new stdclass);
+var_dump($h = (array) function () { return 2; });
+var_dump($h[0]());
+
+$i = function () use (&$h) {
+	return $h;
+};
+
+var_dump($x = (array)$i);
+var_dump($y = $x[0]);
+var_dump($y());
+
+$items = range(1, 5);
+$func = function(){ return 'just a test'; };
+
+array_splice($items, 0 , 4, $func);
+var_dump($items);
+
+?>
+--EXPECTF--
+array(1) {
+  [0]=>
+  int(1)
+}
+array(0) {
+}
+array(0) {
+}
+array(1) {
+  [0]=>
+  object(Closure)#1 (0) {
+  }
+}
+int(2)
+array(1) {
+  [0]=>
+  object(Closure)#2 (1) {
+    ["static"]=>
+    array(1) {
+      ["h"]=>
+      &array(1) {
+        [0]=>
+        object(Closure)#1 (0) {
+        }
+      }
+    }
+  }
+}
+object(Closure)#2 (1) {
+  ["static"]=>
+  array(1) {
+    ["h"]=>
+    &array(1) {
+      [0]=>
+      object(Closure)#1 (0) {
+      }
+    }
+  }
+}
+array(1) {
+  [0]=>
+  object(Closure)#1 (0) {
+  }
+}
+array(2) {
+  [0]=>
+  object(Closure)#3 (0) {
+  }
+  [1]=>
+  int(5)
+}
diff --git a/Zend/zend_operators.c b/Zend/zend_operators.c
index 4d69c622f3..3a89c9c71f 100644
--- a/Zend/zend_operators.c
+++ b/Zend/zend_operators.c
@@ -30,6 +30,7 @@
 #include "zend_multiply.h"
 #include "zend_strtod.h"
 #include "zend_exceptions.h"
+#include "zend_closures.h"
 
 #define LONG_SIGN_MASK (1L << (8*sizeof(long)-1))
 
@@ -646,7 +647,14 @@ ZEND_API void convert_to_array(zval *op) /* {{{ */
 
 				ALLOC_HASHTABLE(ht);
 				zend_hash_init(ht, 0, NULL, ZVAL_PTR_DTOR, 0);
-				if (Z_OBJ_HT_P(op)->get_properties) {
+				if (Z_OBJCE_P(op) == zend_ce_closure) {
+					convert_scalar_to_array(op, IS_ARRAY TSRMLS_CC);
+					if (Z_TYPE_P(op) == IS_ARRAY) {
+						zend_hash_destroy(ht);
+						FREE_HASHTABLE(ht);
+						return;
+					}
+				} else if (Z_OBJ_HT_P(op)->get_properties) {
 					HashTable *obj_ht = Z_OBJ_HT_P(op)->get_properties(op TSRMLS_CC);
 					if (obj_ht) {
 						zend_hash_copy(ht, obj_ht, (copy_ctor_func_t) zval_add_ref, (void *) &tmp, sizeof(zval *));