compact

例

例1

変数名とその値を含む配列を作成します。

 <span class="token php language-php"><span class="token delimiter important"><？php</span>
<span class="token variable">$ firstname</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"bill"</span> <span class="token punctuation">;</span>
<span class="token variable">$ lastname</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"gates"</span> <span class="token punctuation">;</span>
<span class="token variable">$ age</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"60"</span> <span class="token punctuation">;</span>

<span class="token variable">$ result</span> <span class="token operator">=</span><span class="token function"></span></span><mark> <span class="token function">compact</span> <span class="token punctuation">（</span> <span class="token string double-quoted-string">"firstName"</span> <span class="token punctuation">、</span> <span class="token string double-quoted-string">"lastName"</span> <span class="token punctuation">、</span> <span class="token string double-quoted-string">"age"</span> <span class="token punctuation">）</span></mark><span class="token punctuation"></span> <span class="token punctuation">;</span>

<span class="token function">print_r</span> <span class="token punctuation">（</span> <span class="token variable">$ result</span> <span class="token punctuation">）</span> <span class="token punctuation">;</span>
<span class="token delimiter important">？></span>

自分で試してみてください

例2

変数と一致しない文字列と、変数名の配列を使用します。

 <span class="token php language-php"><span class="token delimiter important"><？php</span>
<span class="token variable">$ firstname</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"bill"</span> <span class="token punctuation">;</span>
<span class="token variable">$ lastname</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"gates"</span> <span class="token punctuation">;</span>
<span class="token variable">$ age</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"60"</span> <span class="token punctuation">;</span>

<span class="token variable">$ name</span> <span class="token operator">=</span> <span class="token keyword">array</span> <span class="token punctuation">（</span> <span class="token string double-quoted-string">"firstName"</span> <span class="token punctuation">、</span> <span class="token string double-quoted-string">"lastName"</span> <span class="token punctuation">）</span> <span class="token punctuation">;</span>
<span class="token variable">$ result</span> <span class="token operator">=</span><span class="token function"></span></span><mark> <span class="token function">compact</span> <span class="token punctuation">（</span> <span class="token variable">$ name</span> <span class="token punctuation">、</span> <span class="token string double-quoted-string">"location"</span> <span class="token punctuation">、</span> <span class="token string double-quoted-string">"age"</span> <span class="token punctuation">）</span></mark><span class="token punctuation"></span> <span class="token punctuation">;</span>

<span class="token function">print_r</span> <span class="token punctuation">（</span> <span class="token variable">$ result</span> <span class="token punctuation">）</span> <span class="token punctuation">;</span>
<span class="token delimiter important">？></span>

自分で試してみてください