str_pad
別の文字列を使用して文字列を長さに埋める
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>
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>
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>