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array

新しい配列を作成します
名前:array
カテゴリ:配列
対応言語:php
一言説明:配列を作成します。

例1

$ carsという名前のインデックス配列を作成し、3つの要素を割り当て、配列値を含むテキストを印刷します。

 <span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$ cars</span> <span class="token operator">=</span><span class="token keyword"></span></span><mark><span class="token keyword">配列</span><span class="token punctuation">(</span> <span class="token string double-quoted-string">"Volvo"</span> <span class="token punctuation">、</span> <span class="token string double-quoted-string">"BMW"</span> <span class="token punctuation">、</span> <span class="token string double-quoted-string">"Toyota"</span> <span class="token punctuation">)</span></mark><span class="token punctuation"></span> <span class="token punctuation">;</span>
<span class="token keyword">エコー</span><span class="token string double-quoted-string">「私は好き」</span> <span class="token operator">。</span> <span class="token variable">$ cars</span> <span class="token punctuation">[</span> <span class="token number">0</span> <span class="token punctuation">]</span> <span class="token operator">。</span> <span class="token string double-quoted-string">"、"</span> <span class="token operator">。</span> <span class="token variable">$ cars</span> <span class="token punctuation">[</span> <span class="token number">1</span> <span class="token punctuation">]</span> <span class="token operator">。</span> <span class="token string double-quoted-string">" そして "</span> <span class="token operator">。</span> <span class="token variable">$ cars</span> <span class="token punctuation">[</span> <span class="token number">2</span> <span class="token punctuation">]</span> <span class="token operator">。</span> <span class="token string double-quoted-string">「。」</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

$ ageという名前の連想配列を作成します:

 <span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$ age</span> <span class="token operator">=</span><span class="token keyword"></span></span><mark> <span class="token keyword">array</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"bill"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"60"</span> <span class="token punctuation">、</span> <span class="token string double-quoted-string">"Steve"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"56"</span> <span class="token punctuation">、</span> <span class="token string double-quoted-string">"mark"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"31"</span> <span class="token punctuation">)</span></mark><span class="token punctuation"></span> <span class="token punctuation">;</span>
<span class="token keyword">エコー</span><span class="token string double-quoted-string">「法案は」</span> <span class="token operator">。</span> <span class="token variable">$ age</span> <span class="token punctuation">[</span> <span class="token string single-quoted-string">&#39;bill&#39;</span> <span class="token punctuation">]</span> <span class="token operator">。</span> <span class="token string double-quoted-string">「年齢。」</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3

インデックスアレイの値を反復して印刷します。

 <span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$ cars</span> <span class="token operator">=</span><span class="token keyword"></span></span><mark><span class="token keyword">配列</span><span class="token punctuation">(</span> <span class="token string double-quoted-string">"Volvo"</span> <span class="token punctuation">、</span> <span class="token string double-quoted-string">"BMW"</span> <span class="token punctuation">、</span> <span class="token string double-quoted-string">"Toyota"</span> <span class="token punctuation">)</span></mark><span class="token punctuation"></span> <span class="token punctuation">;</span>
<span class="token variable">$ arrlength</span> <span class="token operator">=</span> <span class="token function">count</span> <span class="token punctuation">(</span> <span class="token variable">$ cars</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>

<span class="token keyword">for</span> <span class="token punctuation">(</span> <span class="token variable">$ x</span> <span class="token operator">=</span> <span class="token number">0</span> <span class="token punctuation">;</span> <span class="token variable">$ x</span> <span class="token operator"><</span> <span class="token variable">$ arrlength</span> <span class="token punctuation">;</span> <span class="token variable">$ x</span> <span class="token operator">++</span> <span class="token punctuation">)</span>
  <span class="token punctuation">{</span>
  <span class="token keyword">echo</span> <span class="token variable">$ cars</span> <span class="token punctuation">[</span> <span class="token variable">$ x</span> <span class="token punctuation">]</span> <span class="token punctuation">;</span>
  <span class="token keyword">echo</span> <span class="token string double-quoted-string">"<br>"</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4

繰り返して、連想配列のすべての値を印刷します。

 <span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$ age</span> <span class="token operator">=</span><span class="token keyword"></span></span><mark> <span class="token keyword">array</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"bill"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"60"</span> <span class="token punctuation">、</span> <span class="token string double-quoted-string">"Steve"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"56"</span> <span class="token punctuation">、</span> <span class="token string double-quoted-string">"mark"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"31"</span> <span class="token punctuation">)</span></mark><span class="token punctuation"></span> <span class="token punctuation">;</span>

<span class="token keyword">foreach</span> <span class="token punctuation">(</span> <span class="token variable">$</span> <span class="token keyword">as</span> <span class="token variable">$ x</span> <span class="token operator">=></span> <span class="token variable">$ x_value</span> <span class="token punctuation">)</span>
  <span class="token punctuation">{</span>
  <span class="token keyword">echo</span> <span class="token string double-quoted-string">"key ="</span> <span class="token operator">。</span> <span class="token variable">$ x</span> <span class="token operator">。</span> <span class="token string double-quoted-string">"、value ="</span> <span class="token operator">。</span> <span class="token variable">$ x_value</span> <span class="token punctuation">;</span>
  <span class="token keyword">echo</span> <span class="token string double-quoted-string">"<br>"</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5

多次元配列を作成します。

 <span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token comment">// 2次元配列:</span>
<span class="token variable">$ cars</span> <span class="token operator">=</span><span class="token keyword"></span></span><mark><span class="token keyword">配列</span>
  <span class="token punctuation">(</span>
  <span class="token keyword">配列</span><span class="token punctuation">(</span> <span class="token punctuation">"</span> <span class="token punctuation">Volvo</span> <span class="token string double-quoted-string">"</span> <span class="token punctuation">、</span> <span class="token number">100、96</span> <span class="token number">)</span> <span class="token punctuation">、</span>
  <span class="token keyword">配列</span><span class="token punctuation">(</span> <span class="token punctuation">"</span> <span class="token punctuation">BMW</span> <span class="token string double-quoted-string">"</span> <span class="token punctuation">、</span> <span class="token number">60、59</span> <span class="token number">)</span> <span class="token punctuation">、</span>
  <span class="token keyword">array</span> <span class="token punctuation">(</span> <span class="token punctuation">"</span> <span class="token punctuation">Toyota</span> <span class="token string double-quoted-string">"</span> <span class="token punctuation">、</span> <span class="token number">110、100</span> <span class="token number">)</span>
  <span class="token punctuation">))</span></mark><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

類似の関数
  • 配列の内側ポインターを最後のユニットに向けます end

    end

    配列の内側ポインターを最後のユニットに向
  • 配列を並べ替えて、インデックス関係を維持します asort

    asort

    配列を並べ替えて、インデックス関係を維持
  • ユーザー定義の比較関数を使用して、配列内のキー名をソートする uksort

    uksort

    ユーザー定義の比較関数を使用して、配列内
  • 配列の逆並べ替え rsort

    rsort

    配列の逆並べ替え
  • キー名の比較を使用して配列の交差点を計算する array_intersect_key

    array_intersect_key

    キー名の比較を使用して配列の交差点を計算
  • 配列の最後のキーの名前を取得します array_key_last

    array_key_last

    配列の最後のキーの名前を取得します
  • 指定された値で配列を埋めます array_fill

    array_fill

    指定された値で配列を埋めます
  • 配列の交点を計算し、コールバック関数を使用してデータを比較します array_uintersect

    array_uintersect

    配列の交点を計算し、コールバック関数を使