<documentation title="Multiple Statement Alignment">
<standard>
<![CDATA[
When declaring arrays, there should be one space on either side of a double arrow operator used to assign a value to a key.
]]>
</standard>
<code_comparison>
<code title="Valid: correct spacing between the key and value.">
<![CDATA[
$foo = array( 'cat'<em> => </em>22 );
$bar = array( 'year'<em> => </em>$current_year );
]]>
</code>
<code title="Invalid: No or incorrect spacing between the key and value.">
<![CDATA[
$foo = array( 'cat'<em>=></em>22 );
$bar = array( 'year'<em>=> </em>$current_year );
]]>
</code>
</code_comparison>
<standard>
<![CDATA[
In the case of a block of related assignments, it is recommended to align the arrows to promote readability.
]]>
</standard>
<code_comparison>
<code title="Valid: Double arrow operators aligned">
<![CDATA[
$args = array(
'cat'<em> => </em>22,
'year'<em> => </em>$current_year,
'monthnum'<em> => </em>$current_month,
);
]]>
</code>
<code title="Invalid: Not aligned; harder to read">
<![CDATA[
$args = array(
'cat' <em>=></em> 22,
'year' <em>=></em> $current_year,
'monthnum' <em>=></em> $current_month,
);
]]>
</code>
</code_comparison>
</documentation>