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equacao do segundo grau em php

<?php
    function bhaskara($a, $b, $c) {
        $delta = ($b * $b) - (4 * $a * $c);
        if ($delta < 0) {
            /* Delta menor que 0, a função não tem raízes */
            return False;
        }
        else {
            $delta = sqrt($delta);
            $r1 = (-$b + $delta) / (2 * $a);
            $r2 = (-$b - $delta) / (2 * $a);
            $raizes = array(
                'raiz1' => $r1,
                'raiz2' => $r2
            );
            /* Retornando as raízes */
            return $raizes;
        }
    }
?>
https://snipt.net/embed/4f44c6871e7ce62b2dbfbfaa3241c4eb/
/raw/4f44c6871e7ce62b2dbfbfaa3241c4eb/
4f44c6871e7ce62b2dbfbfaa3241c4eb
php
PHP
20
2019-06-20T05:04:57
True
False
False
/api/public/snipt/20870/
equacao-do-segundo-grau-em-php
<table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><a href="#L-1"> 1</a> <a href="#L-2"> 2</a> <a href="#L-3"> 3</a> <a href="#L-4"> 4</a> <a href="#L-5"> 5</a> <a href="#L-6"> 6</a> <a href="#L-7"> 7</a> <a href="#L-8"> 8</a> <a href="#L-9"> 9</a> <a href="#L-10">10</a> <a href="#L-11">11</a> <a href="#L-12">12</a> <a href="#L-13">13</a> <a href="#L-14">14</a> <a href="#L-15">15</a> <a href="#L-16">16</a> <a href="#L-17">17</a> <a href="#L-18">18</a> <a href="#L-19">19</a> <a href="#L-20">20</a></pre></div></td><td class="code"><div class="highlight"><pre><span></span><span id="L-1"><a name="L-1"></a><span class="cp">&lt;?php</span> </span><span id="L-2"><a name="L-2"></a> <span class="k">function</span> <span class="nf">bhaskara</span><span class="p">(</span><span class="nv">$a</span><span class="p">,</span> <span class="nv">$b</span><span class="p">,</span> <span class="nv">$c</span><span class="p">)</span> <span class="p">{</span> </span><span id="L-3"><a name="L-3"></a> <span class="nv">$delta</span> <span class="o">=</span> <span class="p">(</span><span class="nv">$b</span> <span class="o">*</span> <span class="nv">$b</span><span class="p">)</span> <span class="o">-</span> <span class="p">(</span><span class="mi">4</span> <span class="o">*</span> <span class="nv">$a</span> <span class="o">*</span> <span class="nv">$c</span><span class="p">);</span> </span><span id="L-4"><a name="L-4"></a> <span class="k">if</span> <span class="p">(</span><span class="nv">$delta</span> <span class="o">&lt;</span> <span class="mi">0</span><span class="p">)</span> <span class="p">{</span> </span><span id="L-5"><a name="L-5"></a> <span class="cm">/* Delta menor que 0, a função não tem raízes */</span> </span><span id="L-6"><a name="L-6"></a> <span class="k">return</span> <span class="k">False</span><span class="p">;</span> </span><span id="L-7"><a name="L-7"></a> <span class="p">}</span> </span><span id="L-8"><a name="L-8"></a> <span class="k">else</span> <span class="p">{</span> </span><span id="L-9"><a name="L-9"></a> <span class="nv">$delta</span> <span class="o">=</span> <span class="nb">sqrt</span><span class="p">(</span><span class="nv">$delta</span><span class="p">);</span> </span><span id="L-10"><a name="L-10"></a> <span class="nv">$r1</span> <span class="o">=</span> <span class="p">(</span><span class="o">-</span><span class="nv">$b</span> <span class="o">+</span> <span class="nv">$delta</span><span class="p">)</span> <span class="o">/</span> <span class="p">(</span><span class="mi">2</span> <span class="o">*</span> <span class="nv">$a</span><span class="p">);</span> </span><span id="L-11"><a name="L-11"></a> <span class="nv">$r2</span> <span class="o">=</span> <span class="p">(</span><span class="o">-</span><span class="nv">$b</span> <span class="o">-</span> <span class="nv">$delta</span><span class="p">)</span> <span class="o">/</span> <span class="p">(</span><span class="mi">2</span> <span class="o">*</span> <span class="nv">$a</span><span class="p">);</span> </span><span id="L-12"><a name="L-12"></a> <span class="nv">$raizes</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span> </span><span id="L-13"><a name="L-13"></a> <span class="s1">&#39;raiz1&#39;</span> <span class="o">=&gt;</span> <span class="nv">$r1</span><span class="p">,</span> </span><span id="L-14"><a name="L-14"></a> <span class="s1">&#39;raiz2&#39;</span> <span class="o">=&gt;</span> <span class="nv">$r2</span> </span><span id="L-15"><a name="L-15"></a> <span class="p">);</span> </span><span id="L-16"><a name="L-16"></a> <span class="cm">/* Retornando as raízes */</span> </span><span id="L-17"><a name="L-17"></a> <span class="k">return</span> <span class="nv">$raizes</span><span class="p">;</span> </span><span id="L-18"><a name="L-18"></a> <span class="p">}</span> </span><span id="L-19"><a name="L-19"></a> <span class="p">}</span> </span><span id="L-20"><a name="L-20"></a><span class="cp">?&gt;</span><span class="x"></span> </span></pre></div> </td></tr></table>
math, php