PHP method to combine strings or arrays into an array

This article mainly shares with you the PHP method of merging strings or arrays into an array. There are two methods. I hope it can help you.

General writing method:

<?php/**
 * add a string or an array to another array
 *
 * @param array|string $val
 * @param array        $array
 */function add_val_to_array($val, $array = []) {

    if (is_array($val)) {        $array = array_merge($array, $val);
    } elseif (!is_array($val)) {        $array[] = $val;
    }    return $array;
}?>

Simplified writing method:

<?php /**
 * add a string or an array to another array
 *
 * @param array|string $val
 * @param array        $array
 */function add_val_to_array($val, $array = []) {
    return array_merge($array, (array)$val);
}?>

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