Definition and usage The function of clearstatcache() function is: clear the file status cache. PHP's cached data is very beneficial for running functions faster and better. If a file is tested multiple times in a script, you might disable caching of correct results. To achieve this, you can use the clearstatcache() function. Syntax clearstatcache() tips and attention tips: Functions that execute cache: stat() lstat() file_exists() is_writable() is_readable() is_executable() is_file() is_dir() is_link() filectime() fileatime() filemtime() fileinode() filegroup() fileowner() filesize() filetype() fileperms() The case copy code is as follows: The above code will output the following results:
1. client mac addr PHP Detailed explanation of clearstatcache function
Introduction: client mac addr:client mac addr PHP clearstatcache function detailed explanation: Definition and usage The function of clearstatcache() function is: clear the file status cache. PHP's cached data is very beneficial for running functions faster and better. If a file is tested multiple times in a script, you might disable caching of correct results. To achieve this, you can use the clearstatcache() function. Syntax clearstatcache() tips and attention tips: Functions that perform caching: stat() lstat() file_exists() i
2. PHP clearstatcache() function detailed explanation_PHP tutorial
Introduction: Detailed explanation of PHP clearstatcache() function. Definition and usage The function clearstatcache() is used to clear the file status cache. PHP's cached data is very beneficial for running functions faster and better. If a file is tested in a script
3. php clearstatcache - Clear file status cache_PHP tutorial
Introduction :php clearstatcache - Clear the file status cache. About php clearstatcache - clear file status cache. Below we explain one by one, and there are specific examples. About php clearstatcache - clear file status cache, let’s explain one by one
4. PHP skills: File system function library in PHP script programming
Introduction: PHP skills: File system function library in PHP script programming
5. php clearstatcache - Clear file status cache
Introduction: php clearstatcache - Clear the file status cache. Regarding php clearstatcache - clear file status cache, we will explain it one by one below, and there are also specific examples. Regarding php clearstatcache - clearing the file status cache, let’s explain one by one
6. PHP clearstatcache() function detailed explanation
Introduction: PHP's cached data is very beneficial for running functions faster and better. If a file is tested multiple times in a script, you might disable caching of correct results. To achieve this, you can use the clearstatcache() function.
7. PHP novice tutorial: clearstatcache() function detailed explanation_PHP
Introduction: PHP cache data pair Running functions faster and better is very advantageous. If a file is tested multiple times in a script, you might disable caching of correct results. To achieve this, you can use the clearstatcache() function.
8. PHP clearstatcache() function detailed explanation_PHP
Introduction: PHP’s cache data is faster and more Good running functions are very beneficial. If a file is tested multiple times in a script, you might disable caching of correct results. To achieve this, you can use the clearstatcache() function.
9. PHP clearstatcache() function detailed explanation_php basics
Introduction: PHP caches data faster Better running functions are very beneficial. If a file is tested multiple times in a script, you might disable caching of correct results. To achieve this, you can use the clearstatcache() function.
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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。

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。

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。

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)”。


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