


Needless to say, you still have to look for the PHP configuration file php.ini:)
Open php.ini, first find the
;;;;;;;;;;;;;;;;;
; File Uploads ;
;;;;;;;;;;;;;;;;
area, the following parameters that affect file uploads:
file_uploads = on ; Whether to allow file uploads via HTTP switch. The default is ON, which means open
upload_tmp_dir; Files are uploaded to the place where temporary files are stored on the server. If not specified, the system default temporary folder will be used
upload_max_filesize = 8m; For business purposes, the file size is allowed to be uploaded the maximum value. The default is 2M
in
;;;;;;;;;;;;;;;;;;
; Data Handling ;
;;;;;;;;;;; ;;;;;;;
area, there is another item:
post_max_size = 8m; refers to the maximum value that can be received through POST to PHP through the form, including all values in the form. The default is 8M
Generally, after setting the above four parameters, uploading files of
But if you want to upload a large file >8M, it will definitely work if you only set the above four items. Unless your network really has an upload speed of 100M/S, you still have to care about the following parameters:
;;;;;;;;;;;;;;;;;;;;
; Resource Limits ;
;;;;;;;;;;;;;;;;;;;
max_execution_time = 600 ;The maximum time value (seconds) for each PHP page to run, the default is 30 seconds
max_input_time = 600 ;The maximum time required for each PHP page to receive data, the default is 60 seconds
memory_limit = 8m ;The maximum memory consumed by each PHP page, the default is 8M
After modifying the above parameters, Under normal circumstances allowed by the network, large files can be uploaded.
Okay, you can give it a try now after setting it up. Click on a 200M file to upload it
While you are listening to music, thinking about sex, or coming back from going to the toilet, the program will tell you that the upload is successful~
Test uploading a 200M file on this machine was successful.
Luck~~

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。

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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