https://github.com/mage2pro/core/issues/379

app/code/local/Df/Core/lib/array/map.php

@@ -66,7 +66,8 @@ function df_map($a1, $a2, $pAppend = [], $pPrepend = [], int $keyPosition = 0, b
 	# https://3v4l.org/3O92j
 	# https://php.net/manual/migration71.new-features.php#migration71.new-features.symmetric-array-destructuring
 	# https://stackoverflow.com/a/28233499
-	list($a, $f) = dfaf($a1, $a2); /** @var iterable $a */ /** @var callable $f */
+	# 2024-06-06 "Use the «Symmetric array destructuring» PHP 7.1 feature": https://github.com/mage2pro/core/issues/379
+	[$a, $f] = dfaf($a1, $a2); /** @var iterable $a */ /** @var callable $f */
 	/** @var array(int|string => mixed) $r */
 	if (!$pAppend && !$pPrepend && 0 === $keyPosition && !$returnKey) {
 		$r = array_map($f, df_ita($a));