For better readability, do not put more than one statement on a single line.
Noncompliant Code Example
if(someCondition) doSomething();
Compliant Solution
if(someCondition) {
doSomething();
}
Exceptions
Anonymous functions containing a single statement are ignored.
$max_comparator = function ($v) { return $v > 2; }; // Compliant
$max_comparator = function ($v) { echo $v; return $v > 2; }; // Noncompliant