1.
Question: I have followed the steps to install the Unix version of the APACHE module, but my PHP script source code is displayed in the browser, or the browser prompts me to save the file. Why?
Answer: This is caused by the PHP module not working properly. Please check the following three places:
Please confirm that the running APACHE executable file is the one you compiled successfully last time. Enter the following command:
/path/to/binary/httpd -l
If you don’t see mod_php3.c in the list, you are not running a correct executable file.
Please make sure you have added the correct "Mime Type" to one of your .conf. This should look like:
AddType application/x-httpd-php3 .php3
Please make sure that the "AddType" above is not in the or block, otherwise this AddType will only take effect in the current Virtualhost or Directory.
2.
Q: I have installed PHP according to the instructions, but my PHP still cannot work with IIS. Why?
Answer: You must ensure that the user who needs to run PHP has sufficient permissions to run php.exe. The IIS server uses an anonymous account created during installation. This account requires permission to run php.exe. In addition, any user who needs to be verified also has permission to run php.exe.
3.
Question: How to compile PHP with APACHE 1.3.X?
Answer: This is very simple, just follow the steps below:
- Get the latest APACHE distribution package from the APACHE site
- UNZIP/UNTAR file to a directory, such as /usr/local/src /apache-1.3.9
- Enter "./configure --with-apache=/path/to/your/apache" to start compiling PHP for the first time
- Execute "make", "make install" sequentially , create and copy the necessary files to the APACHE directory
- Enter the APACHE directory and edit the Configuration file. Add at the end of the file: "AddModule modules/php3/libphp3.a"
Execute "./Configure", "make"
Everything is done, you already have an APACHE executable file that can run PHP

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。

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。

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,可以使用substr()函数来读取字符串后几个字符,只需要将该函数的第二个参数设置为负值,第三个参数省略即可;语法为“substr(字符串,-n)”,表示读取从字符串结尾处向前数第n个字符开始,直到字符串结尾的全部字符。


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