collection concat找出不重複的值:
->unique('id')->pluck('id');

本筆記參考:
1. https://stackoverflow.com/questions/42447682/distinct-values-with-pluck

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<div class="draft-block draft--p left">1. collection concat(pluck)找出不重複的值:<br>-<span style="font-weight: bold; ">&gt;unique</span>('id')-&gt;pluck('id');</div>
<div class="hr__AtomHrContainer-sc-1afmttx-0 dsBIOm draft-block"><pre class="hr__HrWrapper-sc-1afmttx-1 hUbgX draft--hr"><hr class="hr__Hr-sc-1afmttx-2 iegMSY"></pre></div>
<div class="draft-block draft--p left">2. distinct count:<br>-&gt;<span style="font-weight: bold; ">unique</span>('id')-&gt;count();</div>
<div class="draft-block draft--p left"><span style="font-style: italic; ">本筆記參考:<br>1. </span><a href="https://stackoverflow.com/questions/42447682/distinct-values-with-pluck" target="_blank" class="draft--a"><span style="font-style: italic; ">https://stackoverflow.com/questions/42447682/distinct-values-with-pluck</span></a></div>

<p>1. collection concat(pluck)找出不重複的值:<br>
-<strong>&gt;unique</strong>('id')-&gt;pluck('id');</p>
<p><br></p>
<p>2. distinct count:<br>
-&gt;<strong>unique</strong>('id')-&gt;count();</p>
<p><em>本筆記參考:<br>
1. </em><a href="https://stackoverflow.com/questions/42447682/distinct-values-with-pluck"><em>https://stackoverflow.com/questions/42447682/distinct-values-with-pluck</em></a></p>

1. collection concat(pluck)找出不重複的值:
->unique('id')->pluck('id');

2. distinct count:
->unique('id')->count();

本筆記參考:
1. https://stackoverflow.com/questions/42447682/distinct-values-with-pluck

Laravel collection distinct values