{if $a + $b - $c == $d}
{if $e * $f / $g % $h === $i}
{if $j < $k and $l > $m eq $n <= $o and $p >= $q}
{if !$r != $s && $t || $u}
{if $v is not even by 3 or $v is even}
{if $w is div by 2 or $w is not div by 3}
{if $x is not odd or $x is odd by 4}
{if $y ne $z or $a neq $b}
{if $c gt $d or $e lt $f}
{if $g gte $h or $i ge $j or $k lte $l or $m le $n}
{if not $o and $p mod 4}
{foo bar=baz}
{$foo|upper}

----------------------------------------------------

[
	["smarty", [
		["delimiter", "{"],
		["function", "if"],
		["variable", "$a"],
		["operator", "+"],
		["variable", "$b"],
		["operator", "-"],
		["variable", "$c"],
		["operator", "=="],
		["variable", "$d"],
		["delimiter", "}"]
	]],
	["smarty", [
		["delimiter", "{"],
		["function", "if"],
		["variable", "$e"],
		["operator", "*"],
		["variable", "$f"],
		["operator", "/"],
		["variable", "$g"],
		["operator", "%"],
		["variable", "$h"],
		["operator", "==="],
		["variable", "$i"],
		["delimiter", "}"]
	]],
	["smarty", [
		["delimiter", "{"],
		["function", "if"],
		["variable", "$j"],
		["operator", "<"],
		["variable", "$k"],
		["operator", "and"],
		["variable", "$l"],
		["operator", ">"],
		["variable", "$m"],
		["operator", "eq"],
		["variable", "$n"],
		["operator", "<="],
		["variable", "$o"],
		["operator", "and"],
		["variable", "$p"],
		["operator", ">="],
		["variable", "$q"],
		["delimiter", "}"]
	]],
	["smarty", [
		["delimiter", "{"],
		["function", "if"],
		["operator", "!"],
		["variable", "$r"],
		["operator", "!="],
		["variable", "$s"],
		["operator", "&&"],
		["variable", "$t"],
		["operator", "||"],
		["variable", "$u"],
		["delimiter", "}"]
	]],
	["smarty", [
		["delimiter", "{"],
		["function", "if"],
		["variable", "$v"],
		["operator", "is not even by"],
		["number", "3"],
		["operator", "or"],
		["variable", "$v"],
		["operator", "is even"],
		["delimiter", "}"]
	]],
	["smarty", [
		["delimiter", "{"],
		["function", "if"],
		["variable", "$w"],
		["operator", "is div by"],
		["number", "2"],
		["operator", "or"],
		["variable", "$w"],
		["operator", "is not div by"],
		["number", "3"],
		["delimiter", "}"]
	]],
	["smarty", [
		["delimiter", "{"],
		["function", "if"],
		["variable", "$x"],
		["operator", "is not odd"],
		["operator", "or"],
		["variable", "$x"],
		["operator", "is odd by"],
		["number", "4"],
		["delimiter", "}"]
	]],
	["smarty", [
		["delimiter", "{"],
		["function", "if"],
		["variable", "$y"],
		["operator", "ne"],
		["variable", "$z"],
		["operator", "or"],
		["variable", "$a"],
		["operator", "neq"],
		["variable", "$b"],
		["delimiter", "}"]
	]],
	["smarty", [
		["delimiter", "{"],
		["function", "if"],
		["variable", "$c"],
		["operator", "gt"],
		["variable", "$d"],
		["operator", "or"],
		["variable", "$e"],
		["operator", "lt"],
		["variable", "$f"],
		["delimiter", "}"]
	]],
	["smarty", [
		["delimiter", "{"],
		["function", "if"],
		["variable", "$g"],
		["operator", "gte"],
		["variable", "$h"],
		["operator", "or"],
		["variable", "$i"],
		["operator", "ge"],
		["variable", "$j"],
		["operator", "or"],
		["variable", "$k"],
		["operator", "lte"],
		["variable", "$l"],
		["operator", "or"],
		["variable", "$m"],
		["operator", "le"],
		["variable", "$n"],
		["delimiter", "}"]
	]],
	["smarty", [
		["delimiter", "{"],
		["function", "if"],
		["operator", "not"],
		["variable", "$o"],
		["operator", "and"],
		["variable", "$p"],
		["operator", "mod"],
		["number", "4"],
		["delimiter", "}"]
	]],
	["smarty", [
		["delimiter", "{"],
		["function", "foo"],
		["attr-name", [
			"bar",
			["operator", "="],
			["variable", "baz"]
		]],
		["delimiter", "}"]
	]],
	["smarty", [
		["delimiter", "{"],
		["variable", "$foo"],
		["operator", "|"],
		["function", "upper"],
		["delimiter", "}"]
	]]
]

----------------------------------------------------

Checks for all operators.