fmod
返回除法的浮点数余数
在本例中,我们将使用 fmod()
函数来返回 5/2 的余数:
<span class="token php language-php"><span class="token delimiter important"><?php</span> <span class="token variable">$r</span> <span class="token operator">=</span> <span class="token function">fmod</span><span class="token punctuation">(</span><span class="token number">5</span><span class="token punctuation">,</span><span class="token number">2</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token keyword">echo</span> <span class="token variable">$r</span> <span class="token delimiter important">?></span></span>