https://arolstar52-zhtest.hf.space/index.php?action=history&feed=atom&title=Template%3AIf_empty%2Ftestcases 2026-07-10T18:58:15Z 在这个wiki上该页的修订历史 MediaWiki 1.43.9 https://arolstar52-zhtest.hf.space/index.php?title=Template:If_empty/testcases&diff=4083945&oldid=prev 2022-09-30T15:49:27Z

<p><a href="/index.php?title=WP:AES&amp;action=edit&amp;redlink=1" class="new" title="WP:AES（页面不存在）">←</a>建立内容为“{{Aligned table |class=wikitable |cols=4 |col1style=padding-right:1.0em; |col2style=padding-left:0.5em;padding-right:1.0em; |col3style=padding-left:0.5em;padding-right:1.0em; |col4style=padding-left:0.5em; |row1style=background:whitesmoke;padding-left:0.5em;font-weight:bold; | Code | Sandbox | Current | | {{tlc|If empty/sandbox}} | {{If empty/sandbox}} | {{If empty}} | Returns an empty string. | {{tlc|If empty/sandbox|one}} | {{If empty/sa…”的新页面</p> <p><b>新页面</b></p><div>{{Aligned table |class=wikitable<br /> |cols=4 |col1style=padding-right:1.0em; |col2style=padding-left:0.5em;padding-right:1.0em; |col3style=padding-left:0.5em;padding-right:1.0em; |col4style=padding-left:0.5em;<br /> |row1style=background:whitesmoke;padding-left:0.5em;font-weight:bold;<br /> | Code | Sandbox | Current |<br /> | {{tlc|If empty/sandbox}} | {{If empty/sandbox}} | {{If empty}} | Returns an empty string.<br /> | {{tlc|If empty/sandbox|one}} | {{If empty/sandbox|one}} | {{If empty|one}} | Returns the first parameter that is defined and not empty.<br /> | {{tlc|If empty/sandbox|one|two}} | {{If empty/sandbox|one|two}} | {{If empty|one|two}} | <br /> | {{tlc|If empty/sandbox|one|two|three|four}} | {{If empty/sandbox|one|two|three|four}} | {{If empty|one|two|three|four}} | <br /> | {{tlc|If empty/sandbox||two}} | {{If empty/sandbox||two}} | {{If empty||two}} | The first parameter is empty/undefined, so is passed over.<br /> | {{tlc|If empty/sandbox||two|three|four}} | {{If empty/sandbox||two|three|four}} | {{If empty||two|three|four}} | <br /> | {{tlc|If empty/sandbox||two||four}} | {{If empty/sandbox||two||four}} | {{If empty||two||four}} | <br /> | &lt;code&gt;&lt;nowiki&gt;{{If empty/sandbox|||||||||nine}}&lt;/nowiki&gt;&lt;/code&gt; | {{If empty/sandbox|||||||||nine}} | {{If empty|||||||||nine}} | <br /> | &lt;code&gt;&lt;nowiki&gt;{{If empty/sandbox||||||||||ten}}&lt;/nowiki&gt;&lt;/code&gt; | {{If empty/sandbox||||||||||ten}} | {{If empty||||||||||ten}} | Empty string returned if maximum of nine parameters exceeded.<br /> | {{tlc|If empty/sandbox|}} | {{If empty/sandbox|}} | {{If empty|}} | The only parameter is empty or undefined, so returns an empty string.<br /> | {{tlc|If empty/sandbox||||}} | {{If empty/sandbox||||}} | {{If empty||||}} | Returns an empty string.<br /> | &lt;code&gt;&lt;nowiki&gt;{{If empty/sandbox|{{{1|}}}|{{{2|}}}|three}}&lt;/nowiki&gt;&lt;/code&gt; | {{If empty/sandbox|{{{1|}}}|{{{2|}}}|three}} | {{If empty|{{{1|}}}|{{{2|}}}|three}} | <br /> | &lt;code&gt;&lt;nowiki&gt;{{If empty/sandbox|{{{1}}}|{{{2}}}|three}}&lt;/nowiki&gt;&lt;/code&gt; | {{If empty/sandbox|{{{1}}}|{{{2}}}|three}} | {{If empty|{{{1}}}|{{{2}}}|three}} | No pipe-characters following the names of the first two parameters (&quot;1&quot; and &quot;2&quot;), so the first of these returned as text (&quot;{{{1}}}&quot;).<br /> | &lt;code&gt;&lt;nowiki&gt;{{If empty/sandbox|{{{logo|}}}|two}}&lt;/nowiki&gt;&lt;/code&gt; | {{If empty/sandbox|{{{logo|}}}|two}} | {{If empty|{{{logo|}}}|two}} | <br /> | &lt;code&gt;&lt;nowiki&gt;{{If empty/sandbox|{{{logo}}}|two}}&lt;/nowiki&gt;&lt;/code&gt; | {{If empty/sandbox|{{{logo}}}|two}} | {{If empty|{{{logo}}}|two}} | No pipe-character following the parameter name &quot;logo&quot;, so the text &quot;{{{logo}}}&quot; returned.<br /> | &lt;code&gt;&lt;nowiki&gt;{{If empty/sandbox|2=x}}&lt;/nowiki&gt;&lt;/code&gt; | {{If empty/sandbox|2=x}} | {{If empty|2=x}} | Unnamed parameters must be defined sequentially.<br /> | &lt;code&gt;&lt;nowiki&gt;{{If empty/sandbox|p=q}}&lt;/nowiki&gt;&lt;/code&gt; | {{If empty/sandbox|p=q}} | {{If empty|p=q}} | The template identifies the parameters it receives as parameters 1 to 9, not using names such as &quot;p&quot;, etc.<br /> | &lt;code&gt;&lt;nowiki&gt;{{If empty/sandbox|one|{{X1}}[[Category:X1]]}}&lt;/nowiki&gt;&lt;/code&gt; | {{If empty/sandbox|one|{{X1}}[[Category:X1]]}} | {{If empty|one|{{X1}}[[Category:X1]]}} | Parameters after the first non-empty parameter are not expanded, so this page does not transclude Template:X1 and is not in Category:X1.<br /> }}</div>

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