<p>非常有用的PHP调试工具Kint，可以用于打印变量或对象。对于定位文件，执行流程分析非常有帮助</p><p><span style="color: rgb(64, 64, 64); font-family: -apple-system, BlinkMacSystemFont, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);">Kint是一个免费开源，不用安装的PHP调试工具，用来替代系统内置的比如</span><span style="box-sizing: border-box; font-weight: 600; color: rgb(64, 64, 64); font-family: -apple-system, BlinkMacSystemFont, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);">var_dump(),print_r(),debug_backtrace()</span><span style="color: rgb(64, 64, 64); font-family: -apple-system, BlinkMacSystemFont, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);">等相关函数</span></p><p><span style="color: rgb(64, 64, 64); font-family: -apple-system, BlinkMacSystemFont, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);">个人实战代码：</span></p><p><span style="color: rgb(64, 64, 64); font-family: -apple-system, BlinkMacSystemFont, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);"></span></p><pre style="background-color:#262e37;color:#ffffff;font-family:'Consolas',monospace;font-size:11.3pt;"><span style="color:#66837f;background-color:#191f26;">//</span><span style="color:#66837f;background-color:#191f26;font-family:'宋体',monospace;">防止函数与现有函数</span><span style="color:#66837f;background-color:#191f26;">S</span><span style="color:#66837f;background-color:#191f26;font-family:'宋体',monospace;">、</span><span style="color:#66837f;background-color:#191f26;">D</span><span style="color:#66837f;background-color:#191f26;font-family:'宋体',monospace;">冲突设置如下代码</span><span style="color:#66837f;font-family:'宋体',monospace;"><br/></span><span style="color:#66d9ef;font-style:italic;">define</span>(<span style="color:#e6db74;">'KINT_SKIP_HELPERS'</span>, <span style="color:#f92672;">true</span>);</pre><p><span style="color: rgb(64, 64, 64); font-family: -apple-system, BlinkMacSystemFont, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);"></span><br/></p><p><span style="color: rgb(64, 64, 64); font-family: -apple-system, BlinkMacSystemFont, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);"></span></p><pre style="background-color:#262e37;color:#ffffff;font-family:'Consolas';font-size:11.3pt;"><span style="color:#f92672;">require </span><span style="color:#e6db74;">'kint.phar'</span>;<br/><span style="color:#66837f;background-color:#191f26;">//</span><span style="color:#66837f;background-color:#191f26;font-family:'宋体';">指定开启调试的</span><span style="color:#66837f;background-color:#191f26;">ip</span><span style="color:#66837f;"><br/></span><span style="color:#e1e1e1;">Kint</span><span style="color:#f92672;">::</span><span style="font-style:italic;">$enabled_mode </span><span style="color:#f92672;">= </span>($_SERVER[<span style="color:#e6db74;">'REMOTE_ADDR'</span>] <span style="color:#f92672;">=== </span><span style="color:#e6db74;">'47.75.57.140'</span>);<br/><span style="color:#e1e1e1;">Kint</span><span style="color:#f92672;">::</span><span style="font-style:italic;">$aliases</span>[] <span style="color:#f92672;">= </span><span style="color:#e6db74;">'dd'</span>;<br/><span style="color:#f92672;">function </span><span style="color:#a6e22e;">dd</span>(<span style="color:#660000;">$vars</span>)<br/>{<br/> <span style="color:#e1e1e1;">Kint</span><span style="color:#f92672;">::</span><span style="color:#a6e22e;">dump</span>(<span style="color:#660000;">$vars</span>);<br/> <span style="color:#f92672;">exit</span>;<br/>}<br/><span style="color:#66837f;background-color:#191f26;">//</span><span style="color:#66837f;background-color:#191f26;font-family:'宋体';">后面就可以使用</span><span style="color:#66837f;background-color:#191f26;">d</span><span style="color:#66837f;background-color:#191f26;font-family:'宋体';">或</span><span style="color:#66837f;background-color:#191f26;">dd</span><span style="color:#66837f;background-color:#191f26;font-family:'宋体';">函数（此函数是停止执行后面的代码）打印</span></pre><p>官方下载地址及参考手册：https://kint-php.github.io/kint/</p>
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