== Why is this an issue?

include::../description.adoc[]

=== Noncompliant code example

[source,php]
----
$i = $a + $b; // Noncompliant; calculation result not used before value is overwritten
$i = compute();
----

=== Compliant solution

[source,php]
----
$i = $a + $b;
$i += compute();
----

=== Exceptions

This rule ignores initializations to -1, 0, 1, ``++null++``, ``++true++``, ``++false++``, ``++""++``, ``++[]++`` and ``++array()++``.

include::../see.adoc[]

ifdef::env-github,rspecator-view[]

'''
== Implementation Specification
(visible only on this page)

include::../message.adoc[]

'''
== Comments And Links
(visible only on this page)

include::../comments-and-links.adoc[]

endif::env-github,rspecator-view[]