str_pad

例

例1

文字列の右側を30文字の新しい長さまで埋めます。

 <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"</span> <span class="token punctuation">;</span>
<span class="token keyword">echo</span> <span class="token function">str_pad</span> <span class="token punctuation">（</span> <span class="token variable">$ str</span> <span class="token punctuation">、</span> <span class="token number">30</span> <span class="token punctuation">、</span> <span class="token string double-quoted-string">"。"</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

文字列の左側を埋めます：

 <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"</span> <span class="token punctuation">;</span>
<span class="token keyword">echo</span> <span class="token function">str_pad</span> <span class="token punctuation">（</span> <span class="token variable">$ str</span> <span class="token punctuation">、</span> <span class="token number">30</span> <span class="token punctuation">、</span> <span class="token string double-quoted-string">"。"</span> <span class="token punctuation">、</span> <span class="token constant">str_pad_left</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3

文字列の両側を埋める：

 <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"</span> <span class="token punctuation">;</span>
<span class="token keyword">echo</span> <span class="token function">str_pad</span> <span class="token punctuation">（</span> <span class="token variable">$ str</span> <span class="token punctuation">、</span> <span class="token number">30</span> <span class="token punctuation">、</span> <span class="token string double-quoted-string">"。："</span> <span class="token punctuation">、</span> <span class="token constant">str_pad_both</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