str_pad
Utilisez une autre chaîne pour remplir une chaîne sur une longueur
Remplissez le côté droit de la chaîne à la nouvelle longueur de 30 caractères:
<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>
Remplissez le côté gauche de la chaîne:
<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>
Remplissez les deux côtés de la chaîne:
<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>