


This article solves two problems at the same time: the require and include reference URLs in PHP and the file encoding conversion function of PHP. Friends in need can take a look and refer to it.
If the "allow_url_fopen" option in the PHP configuration is turned on, you can use url as an include or require parameter.
And allow_url related parameters, please refer to the description in php.ini
Convert the entire page
This method is suitable for all coding environments. In this way, all character sets other than the first 128 characters (display characters) are represented by NCR (Numeric character reference, such as "Chinese characters" will be converted into "Chinese characters"). Such encoding can be used on the page in any encoding environment. Display normally.
Another question:
This method works in all coding environments. In this way, all character sets other than the first 128 characters (display characters) are represented by NCR (Numeric character reference, such as "Chinese characters" will be converted into "Chinese characters"). Such encoding can be used on the page in any encoding environment. Display normally.
Add the following three lines of code to the head of the php file:
The code is as follows
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Copy code
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mb_internal_encoding("gb2312"); // here gb2312 is the original encoding of your website mb_http_output("HTML-ENTITIES"); ob_start('mb_output_handler'); |
Using the mb_convert_encoding function requires enabling PHP's mbstring (multi-byte string) extension.
truehttp: //www.bkjia.com/PHPjc/632249.htmlTechArticleThis article solves two problems at the same time, that is, the require and include reference URLs in PHP and the file encoding conversion function of PHP. Friends in need can take a look and refer to it. al in PHP configuration...
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。

查找方法:1、用strpos(),语法“strpos("字符串值","查找子串")+1”;2、用stripos(),语法“strpos("字符串值","查找子串")+1”。因为字符串是从0开始计数的,因此两个函数获取的位置需要进行加1处理。


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