From 80452d9607756bb17bd6ec89e3049ef2b953eaeb Mon Sep 17 00:00:00 2001
From: Coleman Watts <coleman@civicrm.org>
Date: Tue, 25 Oct 2016 15:20:49 -0400
Subject: [PATCH] CRM-19543 - Fix integer 0 matching for api pseudoconstants

---
 api/v3/utils.php                   |  5 +++--
 tests/phpunit/api/v3/GrantTest.php | 23 +++++++++++++++++++++++
 2 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/api/v3/utils.php b/api/v3/utils.php
index ba7393aeba..38071aa2c4 100644
--- a/api/v3/utils.php
+++ b/api/v3/utils.php
@@ -2172,7 +2172,7 @@ function _civicrm_api3_validate_integer(&$params, &$fieldName, &$fieldInfo, $ent
     return;
   }
 
-  if (!empty($fieldValue)) {
+  if (!empty($fieldValue) || $fieldValue === '0' || $fieldValue === 0) {
     // if value = 'user_contact_id' (or similar), replace value with contact id
     if (!is_numeric($fieldValue) && is_scalar($fieldValue)) {
       $realContactId = _civicrm_api3_resolve_contactID($fieldValue);
@@ -2390,7 +2390,8 @@ function _civicrm_api3_api_match_pseudoconstant_value(&$value, $options, $fieldN
   }
 
   // Translate value into key
-  $newValue = array_search($value, $options);
+  // Cast $value to string to avoid a bug in array_search
+  $newValue = array_search((string) $value, $options);
   if ($newValue !== FALSE) {
     $value = $newValue;
     return;
diff --git a/tests/phpunit/api/v3/GrantTest.php b/tests/phpunit/api/v3/GrantTest.php
index 2154d3b421..605916db5f 100644
--- a/tests/phpunit/api/v3/GrantTest.php
+++ b/tests/phpunit/api/v3/GrantTest.php
@@ -143,4 +143,27 @@ class api_v3_GrantTest extends CiviUnitTestCase {
     $this->assertEquals(0, $checkDeleted['count']);
   }
 
+  /**
+   * Test Grant status with `0` value.
+   */
+  public function testGrantWithZeroStatus() {
+    $params = array(
+      'action' => 'create',
+      'grant_type_id' => "Emergency",
+      'amount_total' => 100,
+      'contact_id' => "1",
+      'status_id' => 0,
+      'id' => 1,
+    );
+    $validation = $this->callAPISuccess('Grant', 'validate', $params);
+
+    $expectedOut = array(
+      'status_id' => array(
+        'message' => "'0' is not a valid option for field status_id",
+        'code' => "incorrect_value",
+      ),
+    );
+    $this->assertEquals($validation['values'][0], $expectedOut);
+  }
+
 }
-- 
2.25.1