3v4l.org

run code in 300+ PHP versions simultaneously
<?php $all = ['a', 'b', 'c']; $defaults = array_fill_keys($all, 0); $new = ['b', 'c']; var_export( array_fill_keys(array_intersect($all, $new), 1) + $defaults + ['directCallId' => '654'] );
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
array ( 'b' => 1, 'c' => 1, 'a' => 0, 'directCallId' => '654', )

preferences:
121.1 ms | 407 KiB | 5 Q