diff --git a/package.xml b/package.xml
index 3eed84bda5..20bec01a09 100644
--- a/package.xml
+++ b/package.xml
@@ -30,6 +30,7 @@ http://pear.php.net/dtd/package-2.0.xsd">
     -- Thanks to Klaus Purer for the patch
   - Defined tokens for lower PHP versions are now phpcs-specific string instead of ints
     -- Stops conflict with other projects, like PHP_CodeCoverage
+  - Fixed bug #584 : Squiz.Arrays.ArrayDeclaration sniff gives incorrect NoComma error for multiline string values
  </notes>
  <contents>
   <dir name="/">
diff --git a/src/Standards/Squiz/Sniffs/Arrays/ArrayDeclarationSniff.php b/src/Standards/Squiz/Sniffs/Arrays/ArrayDeclarationSniff.php
index c6796ae5f8..d57f15fab8 100644
--- a/src/Standards/Squiz/Sniffs/Arrays/ArrayDeclarationSniff.php
+++ b/src/Standards/Squiz/Sniffs/Arrays/ArrayDeclarationSniff.php
@@ -826,6 +826,14 @@ public function processMultiLineArray($phpcsFile, $stackPtr, $arrayStart, $array
                     continue;
                 }
 
+                // Skip to the end of multi-line strings.
+                if (isset(PHP_CodeSniffer_Tokens::$stringTokens[$tokens[$i]['code']]) === true) {
+                    $i = $phpcsFile->findNext($tokens[$i]['code'], ($i + 1), null, true);
+                    $i--;
+                    $valueLine = $tokens[$i]['line'];
+                    continue;
+                }
+
                 if ($tokens[$i]['code'] === T_OPEN_SHORT_ARRAY) {
                     $i         = $tokens[$i]['bracket_closer'];
                     $valueLine = $tokens[$i]['line'];
diff --git a/src/Standards/Squiz/Tests/Arrays/ArrayDeclarationUnitTest.1.inc b/src/Standards/Squiz/Tests/Arrays/ArrayDeclarationUnitTest.1.inc
index f6627d3003..4f345f58e4 100644
--- a/src/Standards/Squiz/Tests/Arrays/ArrayDeclarationUnitTest.1.inc
+++ b/src/Standards/Squiz/Tests/Arrays/ArrayDeclarationUnitTest.1.inc
@@ -319,3 +319,12 @@ array(
             '2',
            )
 );
+
+$var = array(
+        'tab_template'   => '
+        <li>%s</li>',
+        'panel_template' => '
+        <div id="%s">
+            %s
+        </div>',
+       );
diff --git a/src/Standards/Squiz/Tests/Arrays/ArrayDeclarationUnitTest.1.inc.fixed b/src/Standards/Squiz/Tests/Arrays/ArrayDeclarationUnitTest.1.inc.fixed
index a364d788d0..71408322e8 100644
--- a/src/Standards/Squiz/Tests/Arrays/ArrayDeclarationUnitTest.1.inc.fixed
+++ b/src/Standards/Squiz/Tests/Arrays/ArrayDeclarationUnitTest.1.inc.fixed
@@ -336,3 +336,12 @@ array(
             '2',
            ),
 );
+
+$var = array(
+        'tab_template'   => '
+        <li>%s</li>',
+        'panel_template' => '
+        <div id="%s">
+            %s
+        </div>',
+       );
diff --git a/src/Standards/Squiz/Tests/Arrays/ArrayDeclarationUnitTest.2.inc b/src/Standards/Squiz/Tests/Arrays/ArrayDeclarationUnitTest.2.inc
index d93600fd19..7ac4763c80 100644
--- a/src/Standards/Squiz/Tests/Arrays/ArrayDeclarationUnitTest.2.inc
+++ b/src/Standards/Squiz/Tests/Arrays/ArrayDeclarationUnitTest.2.inc
@@ -311,3 +311,12 @@ $ids = [
             '2',
            ]
 ];
+
+$var = [
+        'tab_template'   => '
+        <li>%s</li>',
+        'panel_template' => '
+        <div id="%s">
+            %s
+        </div>',
+       ];
diff --git a/src/Standards/Squiz/Tests/Arrays/ArrayDeclarationUnitTest.2.inc.fixed b/src/Standards/Squiz/Tests/Arrays/ArrayDeclarationUnitTest.2.inc.fixed
index dc9f49e9b7..6a125d5294 100644
--- a/src/Standards/Squiz/Tests/Arrays/ArrayDeclarationUnitTest.2.inc.fixed
+++ b/src/Standards/Squiz/Tests/Arrays/ArrayDeclarationUnitTest.2.inc.fixed
@@ -330,3 +330,12 @@ $ids = [
             '2',
            ],
 ];
+
+$var = [
+        'tab_template'   => '
+        <li>%s</li>',
+        'panel_template' => '
+        <div id="%s">
+            %s
+        </div>',
+       ];