Closes #834

Author: sebastianbergmann

ChangeLog.md

@@ -2,6 +2,12 @@
 
 All notable changes are documented in this file using the [Keep a CHANGELOG](http://keepachangelog.com/) principles.
 
+## [7.0.12] - 2020-11-27
+
+### Added
+
+* [#834](https://github.com/sebastianbergmann/php-code-coverage/issues/834): Support `XDEBUG_MODE` environment variable
+
 ## [7.0.11] - 2020-11-27
 
 ### Added
@@ -118,6 +124,7 @@ All notable changes are documented in this file using the [Keep a CHANGELOG](htt
 * Class names are now abbreviated (unqualified name shown, fully qualified name shown on hover) in the file view of the HTML report
 * Update HTML report to Bootstrap 4
 
+[7.0.12]: https://github.com/sebastianbergmann/php-code-coverage/compare/7.0.11...7.0.12
 [7.0.11]: https://github.com/sebastianbergmann/php-code-coverage/compare/7.0.10...7.0.11
 [7.0.10]: https://github.com/sebastianbergmann/php-code-coverage/compare/7.0.9...7.0.10
 [7.0.9]: https://github.com/sebastianbergmann/php-code-coverage/compare/7.0.8...7.0.9

src/Driver/Xdebug.php

@@ -38,14 +38,19 @@ public function __construct(Filter $filter = null)
             throw new RuntimeException('This driver requires Xdebug');
         }
 
-        if (\version_compare(\phpversion('xdebug'), '3', '>=') &&
-            !\ini_get('xdebug.mode') || !\in_array('coverage', \explode(',', \ini_get('xdebug.mode')), true)) {
-                throw new RuntimeException('xdebug.mode=coverage has to be set in php.ini');
-        }
+        if (\version_compare(\phpversion('xdebug'), '3', '>=')) {
+            $mode = \getenv('XDEBUG_MODE');
+
+            if ($mode === false) {
+                $mode = \ini_get('xdebug.mode');
+            }
 
-        if (\version_compare(\phpversion('xdebug'), '3', '<') &&
-            !\ini_get('xdebug.coverage_enable')) {
-            throw new RuntimeException('xdebug.coverage_enable=On has to be set in php.ini');
+            if ($mode === false ||
+                !\in_array('coverage', \explode(',', $mode), true)) {
+                throw new RuntimeException('XDEBUG_MODE=coverage or xdebug.mode=coverage has to be set');
+            }
+        } elseif (!\ini_get('xdebug.coverage_enable')) {
+            throw new RuntimeException('xdebug.coverage_enable=On has to be set');
         }
 
         if ($filter === null) {

src/Version.php

@@ -21,7 +21,7 @@ final class Version
     public static function id(): string
     {
         if (self::$version === null) {
-            $version       = new VersionId('7.0.11', \dirname(__DIR__));
+            $version       = new VersionId('7.0.12', \dirname(__DIR__));
             self::$version = $version->getVersion();
         }