Fix deprecated calls to `abs` and `str_replace`
Fix deprecated calls to `abs` and `str_replace`

PHP Deprecated:  abs(): Passing null to parameter #1 ($num) of type
int|float is deprecated in /Users/dean/Projects/osu-web/c onfig/osu.php on line 144
Deprecated: abs(): Passing null to parameter #1 ($num) of type int|float
is deprecated in /Users/dean/Projects/osu-web/config /osu.php on line 144
PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject)
of type array|string is deprecated in /Users/dean/Pro jects/osu-web/config/osu.php on line 179
Deprecated: str_replace(): Passing null to parameter #3 ($subject) of
type array|string is deprecated in /Users/dean/Projects /osu-web/config/osu.php on line 179

nanaya/osu-web,notbakaneko/osu-web,ppy/osu-web,notbakaneko/osu-web,nanaya/osu-web,nanaya/osu-web,nanaya/osu-web,ppy/osu-web,notbakaneko/osu-web,nanaya/osu-web,notbakaneko/osu-web,notbakaneko/osu-web,ppy/osu-web,ppy/osu-web,ppy/osu-web