fizzbuzz in php with these limitations: 3 letters per line except <?php, whitespace is prohibited except for line feed

fizzbuzz.php (2 letters per line, and supports PHP 8.x without warnings)

<?php

$x
=#
'i
S'
;;
$y
='
b!
';
$c
=#
$x
^#
$y
;#
$x
=#
'x
Om
';
$y
='
k!
o'
;#
$r
=#
$x
^#
$y
;#
$x
=#
'k
Sk
~}
Ma
';
$y
='
x!
s!
k!
';
$w
=#
$x
^#
$y
;#
$x
=#
'z
Hd
G'
;#
$y
='
x!
~!
';
$p
=#
$x
^#
$y
;#
$x
=#
'L
[p
';
$y
='
c!
';
$f
=#
$x
^#
$y
;#
$x
=#
'H
[p
';
$y
='
_!
';
$b
=#
$x
^#
$y
;#
$b
[1
]=
$c
(#
13
*9
);
$s
=#
$r
(1
,(
10
**
2)
);
$w
(#
$s
,#
fn
(#
$i
)#
=>
$p
((
(#
$i
%3
?#
''
:#
$f
).
(#
$i
%5
?#
''
:#
$b
)?
:#
$i
)#
.'
')
);

fizzbuzz.php (2 letters per line, but supports only PHP 7.x)

<?php

$r
=@
r.
@a
.#
@n
.#
@g
.#
@e
;#
$w
=@
a.
@r
.#
@r
.#
@a
.#
@y
.#
@_
.#
@w
.#
@a
.#
@l
.#
@k
;#
$p
=@
p.
@r
.#
@i
.#
@n
.#
@t
.#
@f
;#
$s
=#
$r
(1
,(
10
**
2)
);
$w
(#
$s
,#
fn
(#
$i
)#
=>
$p
((
(#
$i
%3
?#
''
:@
F.
@i
.#
@z
.#
@z
).
(#
$i
%5
?#
''
:@
B.
@u
.#
@z
.#
@z
)?
:#
$i
)#
.'
')
);

fizzbuzz.php (modified)

<?php

$p=
'p'
.((
'r'
)).
'i'
.((
'n'
)).
't'
.((
'f'
));
$a=
'F'
.((
'i'
)).
'z'
.((
'z'
));
$b=
'B'
.((
'u'
)).
'z'
.'z
';;
$c=
$a.
$b;
;$a
.='
';;
for
($i
=1;
$i<
10*
10;
($i
+=1
)){
$i%
017
==0
?$p
($c
):(
$i%
3==
00?
$p(
$a)
:((
$i%
5==
0)?
$p(
$b)
:$p
($i
.('
'))
));
}?>

fizzbuzz.php (original)

<?php

$p=
chr
(((
112
)))
;$p
.=(
chr
(((
114
)))
);0
;0;
;$p
.=(
chr
(((
105
)))
);0
;$p
.=(
chr
(((
110
)))
);0
;$p
.=(
chr
(((
116
)))
);0
;$p
.=(
chr
(((
102
)))
);;
$a=
chr
(((
70)
),)
;$a
.=(
chr
(((
105
)))
);0
;$a
.=(
chr
(((
122
)))
);0
;$a
.=(
chr
(((
122
)))
);;
$b=
chr
(((
66)
),)
;$b
.=(
chr
(((
117
)))
);0
;$b
.=(
chr
(((
122
)))
);0
;$b
.=(
chr
(((
122
)))
).'
';;
$c=
$a.
$b;
;$a
.='
';;
$j=
'i'
;0;
for
($i
=1;
$i<
10*
10;
$$j
+=1
){;
$i%
017
==0
?$p
($c
):(
$i%
3==
00?
$p(
$a)
:($
$j%
5==
00?
$p(
$b)
:$p
($i
.('
'))
));
}?>