explode

例

例1

文字列を配列に分割します：

 <span class="token php language-php"><span class="token delimiter important"><？php</span>
<span class="token variable">$ str</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"Hello World。上海が大好き！"</span> <span class="token punctuation">;</span>
<span class="token function">print_r</span> <span class="token punctuation">（</span> <span class="token function">exploit</span> <span class="token punctuation">（</span> <span class="token string double-quoted-string">""</span> <span class="token punctuation">、</span> <span class="token variable">$ str</span> <span class="token punctuation">）</span> <span class="token punctuation">）</span> <span class="token punctuation">;</span>
<span class="token delimiter important">？></span></span>

自分で試してみてください

例2

制限パラメーターを使用して、いくつかの配列要素を返します。

 <span class="token php language-php"><span class="token delimiter important"><？php</span>
<span class="token variable">$ str</span> <span class="token operator">=</span> <span class="token string single-quoted-string">&#39;1、2、3、4&#39;</span> <span class="token punctuation">;</span>

<span class="token comment">//ゼロ<i>制限</i></span>
<span class="token function">print_r</span> <span class="token punctuation">（</span> <span class="token function">exploit</span> <span class="token punctuation">（</span> <span class="token string single-quoted-string">&#39;、&#39;</span> <span class="token punctuation">、</span> <span class="token variable">$ str</span> <span class="token punctuation">、</span> <span class="token number">0</span> <span class="token punctuation">）</span> <span class="token punctuation">）</span> <span class="token punctuation">;</span>

<span class="token comment">//正の<i>制限</i></span>
<span class="token function">print_r</span> <span class="token punctuation">（</span> <span class="token function">exploit</span> <span class="token punctuation">（</span> <span class="token string single-quoted-string">&#39;、&#39;</span> <span class="token punctuation">、</span> <span class="token variable">$ str</span> <span class="token punctuation">、</span> <span class="token number">2</span> <span class="token punctuation">）</span> <span class="token punctuation">）</span> <span class="token punctuation">;</span>

<span class="token comment">//負の<i>制限</i></span>
<span class="token function">print_r</span> <span class="token punctuation">（</span> <span class="token function">exploit</span> <span class="token punctuation">（</span> <span class="token string single-quoted-string">&#39;、&#39;</span> <span class="token punctuation">、</span> <span class="token punctuation">$</span> <span class="token variable">str</span> <span class="token punctuation">、</span> <span class="token operator">-1</span> <span class="token punctuation">）</span> <span class="token punctuation">）</span> <span class="token number">;</span>
<span class="token delimiter important">？></span></span>

自分で試してみてください