How to Installing The OMP - Theme

<span></span><span class="k">if</span> <span class="p">(</span><span class="o">!</span> <span class="nb">function_exists</span><span class="p">(</span><span class="s1">'str_contains'</span><span class="p">))</span> <span class="p">{</span>
    <span class="sd">/**</span>
<span class="sd">     * Polyfill of str_contains()</span>
<span class="sd">     */</span>
    <span class="k">function</span> <span class="nf">str_contains</span><span class="p">(</span><span class="nx">string</span> <span class="nv">$haystack</span><span class="p">,</span> <span class="nx">string</span> <span class="nv">$needle</span><span class="p">)</span><span class="o">:</span> <span class="nx">bool</span>
    <span class="p">{</span>
        <span class="k">return</span> <span class="k">empty</span><span class="p">(</span><span class="nv">$needle</span><span class="p">)</span> <span class="o">||</span> <span class="nb">strpos</span><span class="p">(</span><span class="nv">$haystack</span><span class="p">,</span> <span class="nv">$needle</span><span class="p">)</span> <span class="o">!==</span> <span class="k">false</span><span class="p">;</span>
    <span class="p">}</span>
<span class="p">}</span>