diff --git a/ext/standard/array.c b/ext/standard/array.c
index de2bc15cbfa..567bdc819f8 100644
--- a/ext/standard/array.c
+++ b/ext/standard/array.c
@@ -1646,6 +1646,58 @@ PHP_FUNCTION(array_fill)
 /* }}} */
 
 
+/* {{{ proto array array_fill_keys(array keys, mixed val)
+   Create an array using the elements of the first parameter as keys each initialized to val */
+PHP_FUNCTION(array_fill_keys)
+{
+	zval **keys, **val, **entry;
+	HashPosition pos;
+
+	if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &keys, &val) == FAILURE) {
+		WRONG_PARAM_COUNT;
+	}
+
+	if (Z_TYPE_PP(keys) != IS_ARRAY) {
+		php_error_docref(NULL TSRMLS_CC, E_WARNING, "First parameter must be an array");
+ 		RETURN_FALSE;
+ 	}
+
+	/* Initialize return array */
+	array_init(return_value);
+
+	if (!zend_hash_num_elements(Z_ARRVAL_PP(keys))) {
+		return;
+	}
+
+	if (PZVAL_IS_REF(*val)) {
+		SEPARATE_ZVAL(val);
+	}
+
+	zend_hash_internal_pointer_reset_ex(Z_ARRVAL_PP(keys), &pos);
+	while (zend_hash_get_current_data_ex(Z_ARRVAL_PP(keys), (void **)&entry, &pos) == SUCCESS) {
+		zval_add_ref(val);
+
+		if (Z_TYPE_PP(entry) == IS_STRING || Z_TYPE_PP(entry) == IS_UNICODE) {
+			zend_u_symtable_update(Z_ARRVAL_P(return_value), Z_TYPE_PP(entry), Z_UNIVAL_PP(entry), Z_UNILEN_PP(entry) + 1, val, sizeof(zval *), NULL);
+		} else if (Z_TYPE_PP(entry) == IS_LONG) {
+			zend_hash_index_update(Z_ARRVAL_P(return_value), Z_LVAL_PP(entry), val, sizeof(zval *), NULL);
+		} else {
+			zval tmpkey;
+
+			tmpkey = **entry;
+			zval_copy_ctor(&tmpkey);
+			convert_to_string(&tmpkey);
+
+			zend_symtable_update(Z_ARRVAL_P(return_value), Z_STRVAL(tmpkey), Z_STRLEN(tmpkey) + 1, val, sizeof(zval *), NULL);
+
+			zval_dtor(&tmpkey);
+		}
+		zend_hash_move_forward_ex(Z_ARRVAL_PP(keys), &pos);
+	}
+}
+/* }}} */
+
+
 /* {{{ proto array range(mixed low, mixed high[, int step]) U
    Create an array containing the range of integers or characters from low to high (inclusive) */
 PHP_FUNCTION(range)
diff --git a/ext/standard/basic_functions.c b/ext/standard/basic_functions.c
index 5e24535d21c..1aed0ad8638 100644
--- a/ext/standard/basic_functions.c
+++ b/ext/standard/basic_functions.c
@@ -379,6 +379,12 @@ ZEND_BEGIN_ARG_INFO(arginfo_array_fill, 0)
 	ZEND_ARG_INFO(0, val)
 ZEND_END_ARG_INFO()
 
+static
+ZEND_BEGIN_ARG_INFO(arginfo_array_fill_keys, 0)
+	ZEND_ARG_INFO(0, keys) /* ARRAY_INFO(0, keys, 0) */
+	ZEND_ARG_INFO(0, val)
+ZEND_END_ARG_INFO()
+
 static
 ZEND_BEGIN_ARG_INFO_EX(arginfo_range, 0, 0, 2)
 	ZEND_ARG_INFO(0, low)
@@ -3708,6 +3714,7 @@ zend_function_entry basic_functions[] = {
 	PHP_FE(extract,															arginfo_extract)
 	PHP_FE(compact,															arginfo_compact)
 	PHP_FE(array_fill,														arginfo_array_fill)
+	PHP_FE(array_fill_keys,													arginfo_array_fill_keys)
 	PHP_FE(range,															arginfo_range)
 	PHP_FE(array_multisort,													arginfo_array_multisort)
 	PHP_FE(array_push,														arginfo_array_push)
diff --git a/ext/standard/php_array.h b/ext/standard/php_array.h
index 231f24f5aea..39c6913d7ad 100644
--- a/ext/standard/php_array.h
+++ b/ext/standard/php_array.h
@@ -54,6 +54,7 @@ PHP_FUNCTION(array_search);
 PHP_FUNCTION(extract);
 PHP_FUNCTION(compact);
 PHP_FUNCTION(array_fill);
+PHP_FUNCTION(array_fill_keys);
 PHP_FUNCTION(range);
 PHP_FUNCTION(shuffle);
 PHP_FUNCTION(array_multisort);
diff --git a/ext/standard/tests/array/array_fill_keys.phpt b/ext/standard/tests/array/array_fill_keys.phpt
new file mode 100755
index 00000000000..f5356e1776a
--- /dev/null
+++ b/ext/standard/tests/array/array_fill_keys.phpt
@@ -0,0 +1,74 @@
+--TEST--
+basic array_fill_keys test
+--FILE--
+<?php
+	var_dump(array_fill_keys('test', 1));
+	var_dump(array_fill_keys(array(), 1));
+	var_dump(array_fill_keys(array('foo', 'bar'), NULL));
+	var_dump(array_fill_keys(array('5', 'foo', 10, 1.23), 123));
+	var_dump(array_fill_keys(array('test', TRUE, 10, 100), ''));
+?>
+--EXPECTF--
+
+Warning: array_fill_keys(): First parameter must be an array in %s on line %d
+bool(false)
+array(0) {
+}
+array(2) {
+  ["foo"]=>
+  NULL
+  ["bar"]=>
+  NULL
+}
+array(4) {
+  [5]=>
+  int(123)
+  ["foo"]=>
+  int(123)
+  [10]=>
+  int(123)
+  ["1.23"]=>
+  int(123)
+}
+array(4) {
+  ["test"]=>
+  string(0) ""
+  [1]=>
+  string(0) ""
+  [10]=>
+  string(0) ""
+  [100]=>
+  string(0) ""
+}
+--UEXPECTF--
+
+Warning: array_fill_keys(): First parameter must be an array in %s on line %d
+bool(false)
+array(0) {
+}
+array(2) {
+  [u"foo"]=>
+  NULL
+  [u"bar"]=>
+  NULL
+}
+array(4) {
+  [5]=>
+  int(123)
+  [u"foo"]=>
+  int(123)
+  [10]=>
+  int(123)
+  [u"1.23"]=>
+  int(123)
+}
+array(4) {
+  [u"test"]=>
+  unicode(0) ""
+  [1]=>
+  unicode(0) ""
+  [10]=>
+  unicode(0) ""
+  [100]=>
+  unicode(0) ""
+}