rspec/rules/S3699/php/rule.adoc

If a function does not return anything, it makes no sense to use its output. Specifically, passing it to another function, or assigning its "result" to a variable is probably a bug because such functions return nothing, which is probably not what was intended.

== Noncompliant Code Example

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$result = closedir($dir_handle); // Noncompliant, "closedir" does not return anything.
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== Compliant Solution

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closedir($dir_handle);
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== Comments And Links
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include::../comments-and-links.adoc[]
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