<documentation title="Aligning Blocks of Assignments">
<standard>
<![CDATA[
There should be one space on either side of an equals sign used to assign a value to a variable. In the case of a block of related assignments, more space may be inserted to promote readability.
]]>
</standard>
<code_comparison>
<code title="Equals signs aligned">
<![CDATA[
$shortVar <em>=</em> (1 + 2);
$veryLongVarName <em>=</em> 'string';
$var <em>=</em> foo($bar, $baz);
]]>
</code>
<code title="Not aligned; harder to read">
<![CDATA[
$shortVar <em>=</em> (1 + 2);
$veryLongVarName <em>=</em> 'string';
$var <em>=</em> foo($bar, $baz);
]]>
</code>
</code_comparison>
<standard>
<![CDATA[
When using plus-equals, minus-equals etc. still ensure the equals signs are aligned to one space after the longest variable name.
]]>
</standard>
<code_comparison>
<code title="Equals signs aligned; only one space after longest var name">
<![CDATA[
$shortVar <em>+= </em>1;
$veryLongVarName<em> = </em>1;
]]>
</code>
<code title="Two spaces after longest var name">
<![CDATA[
$shortVar <em> += </em>1;
$veryLongVarName<em> = </em>1;
]]>
</code>
</code_comparison>
<code_comparison>
<code title="Equals signs aligned">
<![CDATA[
$shortVar <em> = </em>1;
$veryLongVarName<em> -= </em>1;
]]>
</code>
<code title="Equals signs not aligned">
<![CDATA[
$shortVar <em> = </em>1;
$veryLongVarName<em> -= </em>1;
]]>
</code>
</code_comparison>
</documentation>