<documentation title="Function Declarations">
<standard>
<![CDATA[
There should be exactly 1 space after the function keyword and 1 space on each side of the use keyword. Closures should use the Kernighan/Ritchie Brace style and other single-line functions should use the BSD/Allman style. Multi-line function declarations should have the parameter lists indented one level with the closing parenthesis on a newline followed by a single space and the opening brace of the function.
]]>
</standard>
<code_comparison>
<code title="Valid: Correct spacing around function and use keywords.">
<![CDATA[
$foo = function<em> </em>()<em> </em>use<em> </em>($bar)<em> </em>{
};
]]>
</code>
<code title="Invalid: No spacing around function and use keywords.">
<![CDATA[
$foo = function<em></em>()<em></em>use<em></em>($bar)<em></em>{
};
]]>
</code>
</code_comparison>
<code_comparison>
<code title="Valid: Multi-line function declaration formatted properly.">
<![CDATA[
function foo(
<em> </em>$bar,
<em> </em>$baz
<em>) {</em>
};
]]>
</code>
<code title="Invalid: Invalid indentation and formatting of closing parenthesis.">
<![CDATA[
function foo(
<em></em>$bar,
<em></em>$baz<em>)</em>
<em>{</em>
};
]]>
</code>
</code_comparison>
</documentation>
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