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);
}?>Related recommendations:
php method example of merging arrays and retaining key values
Similarities and differences between three methods of merging arrays in PHP_PHP tutorial
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