<documentation title="Function Argument Spacing">
<standard>
<![CDATA[
Function arguments should have one space after a comma, and single spaces surrounding the equals sign for default values.
]]>
</standard>
<code_comparison>
<code title="Valid: Single spaces after a comma.">
<![CDATA[
function foo($bar,<em> </em>$baz)
{
}
]]>
</code>
<code title="Invalid: No spaces after a comma.">
<![CDATA[
function foo($bar,<em></em>$baz)
{
}
]]>
</code>
</code_comparison>
<code_comparison>
<code title="Valid: Single spaces around an equals sign in function declaration.">
<![CDATA[
function foo($bar, $baz<em> </em>=<em> </em>true)
{
}
]]>
</code>
<code title="Invalid: No spaces around an equals sign in function declaration.">
<![CDATA[
function foo($bar, $baz<em></em>=<em></em>true)
{
}
]]>
</code>
</code_comparison>
</documentation>