From: Xinchen Hui <laruence@php.net>
Date: Sat, 21 Mar 2015 08:54:45 +0000 (+0800)
Subject: More error conditions
X-Git-Tag: PRE_PHP7_NSAPI_REMOVAL~566
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=4180226117f90dd24f15fcdd793deef26c3cdf3c;p=php

More error conditions
---

diff --git a/ext/pcre/php_pcre.c b/ext/pcre/php_pcre.c
index 57b0eb921e..99ef02059f 100644
--- a/ext/pcre/php_pcre.c
+++ b/ext/pcre/php_pcre.c
@@ -1275,8 +1275,8 @@ static zend_string *php_replace_in_subject(zval *regex, zval *replace, zval *sub
 				*replace_value,
 				 empty_replace;
 	zend_string *result;
-	zend_string	*subject_str = zval_get_string(subject);
 	uint32_t replace_idx;
+	zend_string	*subject_str = zval_get_string(subject);
 
 	/* FIXME: This might need to be changed to STR_EMPTY_ALLOC(). Check if this zval could be dtor()'ed somehow */
 	ZVAL_EMPTY_STRING(&empty_replace);
@@ -1512,6 +1512,7 @@ static PHP_FUNCTION(preg_replace_callback_array)
 	ZEND_PARSE_PARAMETERS_END();
 #endif
 	
+	ZVAL_UNDEF(&zv);
 	ZEND_HASH_FOREACH_KEY_VAL(Z_ARRVAL_P(pattern), num_idx, str_idx, replace) {
 		if (str_idx) {
 			ZVAL_STR_COPY(&regex, str_idx);
@@ -1537,8 +1538,18 @@ static PHP_FUNCTION(preg_replace_callback_array)
 			zval_ptr_dtor(return_value);
 		}
 
-		ZVAL_COPY_VALUE(return_value, &zv);
 		zval_ptr_dtor(&regex);
+
+		if (Z_ISUNDEF(zv)) {
+			RETURN_NULL();	
+		}
+
+		ZVAL_COPY_VALUE(return_value, &zv);
+
+		if (UNEXPECTED(EG(exception))) {
+			zval_dtor(return_value);
+			RETURN_NULL();	
+		}
 	} ZEND_HASH_FOREACH_END();
 
 	if (zcount) {
diff --git a/ext/pcre/tests/preg_replace_callback_array.phpt b/ext/pcre/tests/preg_replace_callback_array.phpt
index 529f704db6..14a4656eb1 100644
--- a/ext/pcre/tests/preg_replace_callback_array.phpt
+++ b/ext/pcre/tests/preg_replace_callback_array.phpt
@@ -4,12 +4,19 @@ preg_replace_callback_array() basic functions
 <?php
 
 function f() {
-	throw new Exception();
+	throw new Exception('f');
+}
+
+function a() {
+	return __FUNCTION__;
 }
 
 try {
-var_dump(preg_replace_callback_array(array('/\w/' => 'f'), 'z'));
-} catch(Exception $e) {}
+	var_dump($c = preg_replace_callback_array(array('/\w*/' => 'f', '/\w/' => 'a'), 'z'));
+} catch(Exception $e) {
+	var_dump($e->getMessage());
+}
+var_dump($c);
 
 function g($x) {
 	return "'$x[0]'";
@@ -22,6 +29,10 @@ var_dump(preg_replace_callback_array(array('~\A.~' => 'g'), array(array('xyz')))
 var_dump(preg_replace_callback_array(array('~\A.~' => create_function('$m', 'return strtolower($m[0]);')), 'ABC'));
 ?>
 --EXPECTF--
+string(1) "f"
+
+Notice: Undefined variable: c in %spreg_replace_callback_array.php on line %d
+NULL
 array(3) {
   [0]=>
   string(12) "'a' 'b3' bcd"
diff --git a/ext/pcre/tests/preg_replace_callback_array2.phpt b/ext/pcre/tests/preg_replace_callback_array2.phpt
index c3d3acf0a8..fca71673c9 100644
--- a/ext/pcre/tests/preg_replace_callback_array2.phpt
+++ b/ext/pcre/tests/preg_replace_callback_array2.phpt
@@ -18,7 +18,10 @@ var_dump($b);
 $b = "";
 var_dump(preg_replace_callback_array(array("xx" => "s"), $a, -1, $b));
 var_dump($b);
+function f() {
+}
 
+var_dump(preg_replace_callback_array(array('/\w' => 'f'), 'z'));
 echo "Done\n";
 ?>
 --EXPECTF--	
@@ -44,8 +47,11 @@ Warning: preg_replace_callback() expects parameter 4 to be integer, array given
 NULL
 string(0) ""
 
-Warning: preg_replace_callback_array(): 's' is not a valid callback in %s on line %d
+Warning: preg_replace_callback_array(): 's' is not a valid callback in %spreg_replace_callback_array2.php on line %d
 array(0) {
 }
 string(0) ""
+
+Warning: preg_replace_callback_array(): No ending delimiter '/' found in %spreg_replace_callback_array2.php on line %d
+NULL
 Done