explode
1つの文字列を使用して別の文字列を配列に分割します
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>
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">'1、2、3、4'</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">'、'</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">'、'</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">'、'</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>