Underscore To Camel Case

Underscore To Camel Case

Sometimes in life we are presented with strings containing underscores. If you need such a string in camelCase, this function will get you on your way.

<?php
/**
* Convert strings with underscores into CamelCase
*
* @param    string    $string    The string to convert
* @param    bool    $first_char_caps    camelCase or CamelCase
* @return    string    The converted string
*
*/function underscoreToCamelCase( $string, $first_char_caps = false)
{
    if( $first_char_caps == true )
    {
        $string[0] = strtoupper($string[0]);
    }
    $func = create_function('$c', 'return strtoupper($c[1]);');
    return preg_replace_callback('/_([a-z])/', $func, $string);
}
?>

USAGE

<?php
    $str = 'this_is_under_score_word';
    echo underscoreToCamelCase( $str, 1 );?>

DEMONSTRATION

ThisIsUnderScoreWord