str_pad
Verwenden Sie eine andere Zeichenfolge, um eine Zeichenfolge auf eine Länge zu füllen
Füllen Sie die rechte Seite der Zeichenfolge bis zur neuen Länge von 30 Zeichen:
<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">"Hallo Welt"</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>
Füllen Sie die linke Seite der Saite:
<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">"Hallo Welt"</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>
Füllen Sie beide Seiten der Zeichenfolge:
<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">"Hallo Welt"</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>