Solution to php 500 internal server error: First open IIS, click "Error Page" in the global settings; then click Edit Function Settings; then in the error response, select the second item "Detailed Error" ; Finally, you can solve it according to the specific error message.
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Solve the "500 - Internal Server" that appears in IIS PHP Error”
Http 500 Internal Server Error
Some faults in the system are the last thing users want to see. Sometimes they have to deal with most of the faults they encounter. Geniuses can do it. When opening the website, an HTTP 500 internal server error message appears. The detailed information of the error cannot be viewed, and the user cannot solve the specific problem. This is indeed a very troublesome thing for many new users. In fact, when encountering this kind of failure, We can display these error details through the IIS settings in the system, so that we can also "prescribe the right medicine" to solve these problems.
1. Common causes of 500 errors are:
ASP syntax errors, ACCESS database connection statement errors, file reference and include path errors, and the use of files that are not supported by the server. Components such as FSO, etc.
2. Let IE display detailed error information:
Menu--Tools--Internet Options--Advanced--Show friendly HTTP error messages, remove this option, and then refresh the error page, you can see the detailed error information!
3. Set IIS to display detailed error information:
1. Open IIS and click "Error" in the global settings Page" (note that it must be a global website!)
2. Click the edit function settings in the upper right corner.
3. In the error response, select the second item "Detailed Error"
4. Click OK and refresh IE to display detailed error information.
There are many reasons for 500 internal server errors in the system. Usually when this happens, we can display detailed error information according to several analyzes in the tutorial, so that we can solve these problems for the specific reasons.
The above is the detailed content of How to solve php 500 internal server error problem. For more information, please follow other related articles on the PHP Chinese website!

php把负数转为正整数的方法:1、使用abs()函数将负数转为正数,使用intval()函数对正数取整,转为正整数,语法“intval(abs($number))”;2、利用“~”位运算符将负数取反加一,语法“~$number + 1”。

实现方法:1、使用“sleep(延迟秒数)”语句,可延迟执行函数若干秒;2、使用“time_nanosleep(延迟秒数,延迟纳秒数)”语句,可延迟执行函数若干秒和纳秒;3、使用“time_sleep_until(time()+7)”语句。

php除以100保留两位小数的方法:1、利用“/”运算符进行除法运算,语法“数值 / 100”;2、使用“number_format(除法结果, 2)”或“sprintf("%.2f",除法结果)”语句进行四舍五入的处理值,并保留两位小数。

判断方法:1、使用“strtotime("年-月-日")”语句将给定的年月日转换为时间戳格式;2、用“date("z",时间戳)+1”语句计算指定时间戳是一年的第几天。date()返回的天数是从0开始计算的,因此真实天数需要在此基础上加1。

php判断有没有小数点的方法:1、使用“strpos(数字字符串,'.')”语法,如果返回小数点在字符串中第一次出现的位置,则有小数点;2、使用“strrpos(数字字符串,'.')”语句,如果返回小数点在字符串中最后一次出现的位置,则有。

方法:1、用“str_replace(" ","其他字符",$str)”语句,可将nbsp符替换为其他字符;2、用“preg_replace("/(\s|\ \;||\xc2\xa0)/","其他字符",$str)”语句。

在PHP中,可以利用implode()函数的第一个参数来设置没有分隔符,该函数的第一个参数用于规定数组元素之间放置的内容,默认是空字符串,也可将第一个参数设置为空,语法为“implode(数组)”或者“implode("",数组)”。

php字符串有下标。在PHP中,下标不仅可以应用于数组和对象,还可应用于字符串,利用字符串的下标和中括号“[]”可以访问指定索引位置的字符,并对该字符进行读写,语法“字符串名[下标值]”;字符串的下标值(索引值)只能是整数类型,起始值为0。


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