Merge branch 'PHP-7.3' into PHP-7.4

Author: nikic

ext/standard/array.c

@@ -6209,7 +6209,7 @@ PHP_FUNCTION(array_map)
 
 		for (i = 0; i < n_arrays; i++) {
 			if (Z_TYPE(arrays[i]) != IS_ARRAY) {
-				php_error_docref(NULL, E_WARNING, "Expected parameter %d to be an array, %s given", i + 2, zend_zval_type_name(&arrays[0]));
+				php_error_docref(NULL, E_WARNING, "Expected parameter %d to be an array, %s given", i + 2, zend_zval_type_name(&arrays[i]));
 				efree(array_pos);
 				return;
 			}

ext/standard/tests/array/bug77931.phpt

@@ -0,0 +1,16 @@
+--TEST--
+Bug #77931: Warning for array_map mentions wrong type
+--FILE--
+<?php
+
+array_map('trim', array(), 1);
+array_map('trim', array(), array(), true);
+array_map('trim', array(), array(), array(), null);
+
+?>
+--EXPECTF--
+Warning: array_map(): Expected parameter 3 to be an array, int given in %s on line %d
+
+Warning: array_map(): Expected parameter 4 to be an array, bool given in %s on line %d
+
+Warning: array_map(): Expected parameter 5 to be an array, null given in %s on line %d