如何查找和修改数组中的几个元素？

Question

I have an array of names. Some names have upper case as first letter, some have space between first name and last name. It looks like this:

array(
0 => janet,
1 => John Smith,
2 => Fred,
3 => joe-hooker
)

I want everything in lowercase. If there's a space between first/last name, change the space to "-" .

How to do it in php language? Thanks!

Answer 1

Use strtolower to convert to lowercase and str_replace for replacements.

$array = array(
0 => 'janet',
1 => 'John Smith',
2 => 'Fred',
3 => 'joe-hooker'
);

foreach ($array as $key=>$value)
    $array[$key] = str_replace(' ','-', strtolower($value));