diff --git a/config/vufind/config.ini b/config/vufind/config.ini
index b634dd5e73dc73afe52e18a6f4497072b8752d5d..53cd47677c1023b50e487e134db78d4aa8481ae6 100644
--- a/config/vufind/config.ini
+++ b/config/vufind/config.ini
@@ -1135,6 +1135,12 @@ skip_numeric = true
; any sections not listed here will be merged on a section-by-section basis.
;override_full_sections = "Languages,AlphaBrowse_Types"
+; This setting is for allowing arrays to be merged with the values of their parents
+; arrays. If override_full_sections is set for a section the arrays will always be
+; overridden.
+; For legacy reasons merging of arrays is disabled by default.
+;merge_array_settings = false
+
; This section controls which language options are available to your users.
; If you offer more than one option, a control will appear in the user
; interface to allow user selection. If you only activate one language,
diff --git a/module/VuFind/src/VuFind/Config/PluginFactory.php b/module/VuFind/src/VuFind/Config/PluginFactory.php
index 60b36d01f5bcf6b181ddcf79d9bbf63e8168233e..5fbd16913bb3a133cece1813230244e129a4c77c 100644
--- a/module/VuFind/src/VuFind/Config/PluginFactory.php
+++ b/module/VuFind/src/VuFind/Config/PluginFactory.php
@@ -113,6 +113,11 @@ class PluginFactory implements AbstractFactoryInterface
)
: [];
foreach ($child as $section => $contents) {
+ // Check if arrays in the current config file should be merged with
+ // preceding arrays from config files defined as Parent_Config.
+ $mergeArraySettings
+ = !empty($child->Parent_Config->merge_array_settings);
+
// Omit Parent_Config from the returned configuration; it is only
// needed during loading, and its presence will cause problems in
// config files that iterate through all of the sections (e.g.
@@ -126,7 +131,21 @@ class PluginFactory implements AbstractFactoryInterface
$config->$section = $child->$section;
} else {
foreach (array_keys($contents->toArray()) as $key) {
- $config->$section->$key = $child->$section->$key;
+ // If a key is defined as key[] in the config file the key
+ // remains a Zend\Config\Config object. If the current
+ // section is not configured as an override section we try to
+ // merge the key[] values instead of overwriting them.
+ if (is_object($config->$section->$key)
+ && is_object($child->$section->$key)
+ && $mergeArraySettings
+ ) {
+ $config->$section->$key = array_merge(
+ $config->$section->$key->toArray(),
+ $child->$section->$key->toArray()
+ );
+ } else {
+ $config->$section->$key = $child->$section->$key;
+ }
}
}
}
diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Config/PluginFactoryTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Config/PluginFactoryTest.php
index 6dc109e172a072ffc0bebd03c26be782ff97b91f..9d4c6b1650b62c1135757b13b66004371bef4d25 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Config/PluginFactoryTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Config/PluginFactoryTest.php
@@ -75,20 +75,36 @@ class PluginFactoryTest extends \VuFindTest\Unit\TestCase
. "[Section2]\n"
. "d=4\ne=5\nf=6\n"
. "[Section3]\n"
- . "g=7\nh=8\ni=9\n";
+ . "g=7\nh=8\ni=9\n"
+ . "[Section4]\n"
+ . "j[] = 1\nj[] = 2\nk[a] = 1\nk[b] = 2\n";
$childPath = Locator::getLocalConfigPath('unit-test-child.ini', null, true);
$child = "[Section1]\n"
. "j=10\nk=11\nl=12\n"
. "[Section2]\n"
. "m=13\nn=14\no=15\n"
+ . "[Section4]\n"
+ . "j[] = 3\nk[c] = 3\n"
. "[Parent_Config]\n"
. "path=\"{$parentPath}\"\n"
. "override_full_sections=Section1\n";
+ $child2Path = Locator::getLocalConfigPath('unit-test-child2.ini', null, true);
+ $child2 = "[Section1]\n"
+ . "j=10\nk=11\nl=12\n"
+ . "[Section2]\n"
+ . "m=13\nn=14\no=15\n"
+ . "[Section4]\n"
+ . "j[] = 3\nk[c] = 3\n"
+ . "[Parent_Config]\n"
+ . "path=\"{$parentPath}\"\n"
+ . "override_full_sections=Section1\n"
+ . "merge_array_settings=true\n";
// Fail if we are unable to write files:
- if (null === $parentPath || null === $childPath
+ if (null === $parentPath || null === $childPath || null === $child2Path
|| !file_put_contents($parentPath, $parent)
|| !file_put_contents($childPath, $child)
+ || !file_put_contents($child2Path, $child2)
) {
self::$writeFailed = true;
return;
@@ -175,6 +191,45 @@ class PluginFactoryTest extends \VuFindTest\Unit\TestCase
// Make sure Section 3 was inherited; values from parent should exist.
$this->assertEquals('7', $config->Section3->g);
+
+ // Make sure Section 4 arrays were overwritten.
+ $this->assertEquals([3], $config->Section4->j->toArray());
+ $this->assertEquals(['c' => 3], $config->Section4->k->toArray());
+ }
+
+ /**
+ * Test inheritance features with array merging turned on.
+ *
+ * @return void
+ */
+ public function testInheritanceWithArrayMerging()
+ {
+ if (self::$writeFailed) {
+ $this->markTestSkipped('Could not write test configurations.');
+ }
+
+ // Make sure load succeeds:
+ $config = $this->getConfig('unit-test-child2');
+ $this->assertTrue(is_object($config));
+
+ // Make sure Section 1 was overridden; values from parent should not be
+ // present.
+ $this->assertTrue(!isset($config->Section1->a));
+ $this->assertEquals('10', $config->Section1->j);
+
+ // Make sure Section 2 was merged; values from parent and child should
+ // both be present.
+ $this->assertEquals('4', $config->Section2->d);
+ $this->assertEquals('13', $config->Section2->m);
+
+ // Make sure Section 3 was inherited; values from parent should exist.
+ $this->assertEquals('7', $config->Section3->g);
+
+ // Make sure Section 4 arrays were overwritten.
+ $this->assertEquals([1, 2, 3], $config->Section4->j->toArray());
+ $this->assertEquals(
+ ['a' => 1, 'b' => 2, 'c' => 3], $config->Section4->k->toArray()
+ );
}
/**