28 lines
1 KiB
XML
28 lines
1 KiB
XML
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<documentation title="Array Key Spacing Restrictions">
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<standard>
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<![CDATA[
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When referring to array items, only include a space around the index if it is a variable or the key is concatenated.
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]]>
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</standard>
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<code_comparison>
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<code title="Valid: Correct spacing around the index keys">
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<![CDATA[
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$post = $posts<em>[ </em>$post_id<em> ]</em>;
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$post_title = $post<em>[ </em>'concatenated' . $title<em> ]</em>;
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$post = $posts<em>[ </em>HOME_PAGE<em> ]</em>;
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$post = $posts<em>[</em>123<em>]</em>;
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$post_title = $post<em>[</em>'post_title'<em>]</em>;
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]]>
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</code>
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<code title="Invalid: Incorrect spacing around the index keys">
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<![CDATA[
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$post = $posts<em>[</em>$post_id<em>]</em>;
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$post_title = $post<em>[</em>'concatenated' . $title<em> ]</em>;
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$post = $posts<em>[</em>HOME_PAGE<em>]</em>;
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$post = $posts<em>[ </em>123<em> ]</em>;
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$post_title = $post<em>[ </em>'post_title'<em> ]</em>;
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]]>
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</code>
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</code_comparison>
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</documentation>
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