php convert title case to camel case code example

Example 1: php ucfirst all words

$foo = 'hello world!';
$foo = ucwords($foo);             // Hello World!

$bar = 'HELLO WORLD!';
$bar = ucwords($bar);             // HELLO WORLD!
$bar = ucwords(strtolower($bar)); // Hello World!

//With custom delimiter
$foo = 'hello|world!';
$bar = ucwords($foo);             // Hello|world!

$baz = ucwords($foo, "|");

Example 2: php string underscore into camelcase

function dashesToCamelCase($string, $capitalizeFirstCharacter = false) 
{

    $str = str_replace(' ', '', ucwords(str_replace('-', ' ', $string)));

    if (!$capitalizeFirstCharacter) {
        $str[0] = strtolower($str[0]);
    }

    return $str;
}

echo dashesToCamelCase('this-is-a-string');