Fix indentation of expression continuation in arglist

lisp/php-mode.el

@@ -603,11 +603,37 @@ might be to handle switch and goto labels differently."
 (defun php-lineup-cascaded-calls (langelem)
   "Line up chained methods using `c-lineup-cascaded-calls',
 but only if the setting is enabled."
-  (if php-mode-lineup-cascaded-calls
-      (c-lineup-cascaded-calls langelem)
+  (cond
+   (php-mode-lineup-cascaded-calls (c-lineup-cascaded-calls langelem))
+   ((assq 'defun-block-intro c-syntactic-context) nil)
+   ((assq 'defun-close c-syntactic-context) nil)
+   (t
     (save-excursion
       (beginning-of-line)
-      (if (looking-at-p "\\s-*->") '+ nil))))
+      (let ((beginning-of-langelem (cdr langelem))
+            (beginning-of-current-line (point))
+            start)
+        (skip-chars-forward " 	")
+        (cond
+         ((looking-at-p "->") '+)
+         ((looking-at-p "[:?]") '+)
+         ((looking-at-p "[,;]") nil)
+         ;; Is the previous line terminated with `,' ?
+         ((progn
+            (forward-line -1)
+            (end-of-line)
+            (skip-chars-backward " 	")
+            (backward-char 1)
+            (while (and (< beginning-of-langelem (point))
+                        (setq start (php-in-string-or-comment-p)))
+              (goto-char start)
+              (skip-chars-backward " 	")
+              (backward-char 1))
+            (and (not (eq (point) beginning-of-current-line))
+                 (not (looking-at-p ","))
+                 (not (php-in-string-or-comment-p))))
+          '+)
+         (t nil)))))))
 
 (defun php-c-looking-at-or-maybe-in-bracelist (&optional _containing-sexp lim)
   "Replace `c-looking-at-or-maybe-in-bracelist'.

tests/indent/issue-702.php

@@ -0,0 +1,37 @@
+<?php
+
+PHP_VERSION_ID === 80000
+    ? 'foo'
+    : 'bar';
+
+$a = [
+    'key' => PHP_VERSION_ID === 80000
+        ? 'foo'
+        : 'bar',
+    true &&
+        false,
+    false
+        || true,
+    'value1'
+    ,
+    'value2'
+    ,
+];
+
+var_dump(
+    PHP_VERSION_ID === 80000
+        ? 'foo'
+        : 'bar',
+    true && // ###php-mode-test### ((indent 4))
+        false,
+    false // ###php-mode-test### ((indent 4))
+        || true, // ###php-mode-test### ((indent 8))
+    // ###php-mode-test### ((indent 4))
+    1 // ###php-mode-test### ((indent 4))
+        + 2 // ###php-mode-test### ((indent 8))
+        / 3, // ###php-mode-test### ((indent 8))
+    'value1' // ###php-mode-test### ((indent 4))
+    , // ###php-mode-test### ((indent 4))
+    'value2' // ###php-mode-test### ((indent 4))
+    , // ###php-mode-test### ((indent 4))
+);

tests/php-mode-test.el

@@ -649,6 +649,10 @@ Meant for `php-mode-test-issue-503'."
   "Proper alignment object -> accessor."
   (with-php-mode-test ("indent/issue-623.php" :indent t :magic t)))
 
+(ert-deftest php-mode-test-issue-702 ()
+  "Proper alignment arglist."
+  (with-php-mode-test ("indent/issue-702.php" :indent t :magic t)))
+
 (ert-deftest php-mode-test-php74 ()
   "Test highlighting language constructs added in PHP 7.4."
   (with-php-mode-test ("7.4/arrow-function.php" :faces t))