According to the PSR2 coding standard:

____
The keyword ``++elseif++`` SHOULD be used instead of ``++else if++`` so that all control keywords look like single words.

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== Noncompliant Code Example

----
if ($expr1) {
  ...
} else if ($expr2) {
  ...
} else {...}
----


== Compliant Solution

----
if ($expr1) {
  ...
} elseif ($expr2) {
  ...
} else {...}
----

