How to output error message in php

How to output error prompts in php: 1. Open the corresponding PHP file; 2. Add "error_reporting(E_ALL);"; 3. Output the error message through the "function cache_shutdown_error() {...}" method That’s it.

The operating environment of this article: windows7 system, PHP7.1 version, DELL G3 computer

How does php output an error message?

php output error message

error_reporting(E_ALL);
function cache_shutdown_error() {
          $_error = error_get_last();
          if ($_error && in_array($_error['type'], array(1, 4, 16, 64, 256, 4096, E_ALL)))
{
                    header("Content-Type: text/html; charset=utf-8");
                    echo &#39;<font color=red>你的代码出错了：</font></br>&#39;;
                    echo &#39;致命错误:&#39; . $_error[&#39;message&#39;] . &#39;</br>&#39;;
                    echo &#39;文件:&#39; . $_error[&#39;file&#39;] . &#39;</br>&#39;;
                    echo &#39;在第&#39; . $_error[&#39;line&#39;] . &#39;行</br>&#39;;
                }
            }
 register_shutdown_function("cache_shutdown_error");

It is best to put it at the front. If an error is reported and it terminates, this method cannot be executed.

Recommended study: "PHP video tutorial》

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