Merge branch 'PHP-7.1'

* PHP-7.1:
  get_defined_functions additional parameter to exclude disabled functions
  news entry for PR php#1312

NEWS

@@ -93,6 +93,8 @@ PHP                                                                        NEWS
 
 - Standard:
   . Add subject to mail log. (tomsommer)
+  . Fixed bug #31875 (get_defined_functions additional param to exclude
+	disabled functions). (willianveiga)
 
 - XML:
   . Moved utf8_encode() and utf8_decode() to the Standard extension. (Andrea)

Zend/zend_builtin_functions.c

@@ -1966,13 +1966,22 @@ static int copy_function_name(zval *zv, int num_args, va_list args, zend_hash_ke
 	zend_function *func = Z_PTR_P(zv);
 	zval *internal_ar = va_arg(args, zval *),
 	     *user_ar     = va_arg(args, zval *);
+	zend_bool *exclude_disabled = va_arg(args, zend_bool *);
 
 	if (hash_key->key == NULL || ZSTR_VAL(hash_key->key)[0] == 0) {
 		return 0;
 	}
 
 	if (func->type == ZEND_INTERNAL_FUNCTION) {
-		add_next_index_str(internal_ar, zend_string_copy(hash_key->key));
+		char *disable_functions = INI_STR("disable_functions");
+
+		if ((*exclude_disabled == 1) && (disable_functions != NULL)) {
+			if (strstr(disable_functions, func->common.function_name->val) == NULL) {
+				add_next_index_str(internal_ar, zend_string_copy(hash_key->key));
+			}
+		} else {
+			add_next_index_str(internal_ar, zend_string_copy(hash_key->key));
+		}
 	} else if (func->type == ZEND_USER_FUNCTION) {
 		add_next_index_str(user_ar, zend_string_copy(hash_key->key));
 	}
@@ -1986,16 +1995,17 @@ static int copy_function_name(zval *zv, int num_args, va_list args, zend_hash_ke
 ZEND_FUNCTION(get_defined_functions)
 {
 	zval internal, user;
+	zend_bool exclude_disabled = 0;
 
-	if (zend_parse_parameters_none() == FAILURE) {
+	if (zend_parse_parameters(ZEND_NUM_ARGS(), "|b", &exclude_disabled) == FAILURE) {
 		return;
 	}
 
 	array_init(&internal);
 	array_init(&user);
 	array_init(return_value);
 
-	zend_hash_apply_with_arguments(EG(function_table), copy_function_name, 2, &internal, &user);
+	zend_hash_apply_with_arguments(EG(function_table), copy_function_name, 3, &internal, &user, &exclude_disabled);
 
 	zend_hash_str_add_new(Z_ARRVAL_P(return_value), "internal", sizeof("internal")-1, &internal);
 	zend_hash_str_add_new(Z_ARRVAL_P(return_value), "user", sizeof("user")-1, &user);

tests/basic/bug31875.phpt

@@ -0,0 +1,23 @@
+--TEST--
+Bug #31875 get_defined_functions() should not list disabled functions
+--CREDITS--
+Willian Gustavo Veiga <[email protected]>
+--INI--
+disable_functions=dl
+--FILE--
+<?php
+$disabled_function = 'dl';
+
+$functions = get_defined_functions();
+var_dump(in_array($disabled_function, $functions['internal']));
+
+$functions = get_defined_functions(false);
+var_dump(in_array($disabled_function, $functions['internal']));
+
+$functions = get_defined_functions(true);
+var_dump(in_array($disabled_function, $functions['internal']));
+?>
+--EXPECTF--
+bool(true)
+bool(true)
+bool(false)