3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array1=["math","sci"]; $array2=["paper 1", "paper 2", "paper 3"]; $array3=[50, 70,80]; $array = array_fill_keys( $array1, array_combine( $array2, $array3 ) ); print_r( $array );
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
Array ( [math] => Array ( [paper 1] => 50 [paper 2] => 70 [paper 3] => 80 ) [sci] => Array ( [paper 1] => 50 [paper 2] => 70 [paper 3] => 80 ) )
preferences:
175.27 ms | 408 KiB | 5 Q