fopen

问题 Basically, what I want to do is to check how much of a file my webserver has sent to a client, when the client is downloading one. Is this even possible? Does apache provide any module/extension that would help me accomplish my task? I use a linux distro, apache2 and php5. Regards. 回答1: Browser provides this functionality if file has correct "Content-length" header set. Why do you want to implement this in your page? 回答2: Solved it. I simply open the file with PHP that I want to send to the

问题 I'm writing a grade book program for school and I'm confused about one thing. We have a file to read from that has multiple student IDs and multiple scores. Would doing this: results = fscanf(gradebook, "%d %d %d %d", id, sco1, sco2, sco3); store the number into those variables as it reads then stop the cursor when it runs out of variables to store the information in?...then should I jump right into a calculation function to calculate the final grade before having it loop the fscanf for the

问题 I have 1 file that i've implemented in PHP. Error that i get is Warning: require_once(): http:// wrapper is disabled in the server configuration by allow_url_include=0 in /Applications/MAMP/htdocs/opencart/catalog/view/theme/default/template/payment/bank_transfer.tpl on line 13Warning: Questions: I know that i need to fix this by allowing allow_url_include=0, in php.ini.I'm using MAMP, i've searched all the folders in MAMP and MAMP Pro, but i didn't find any line, where i can set that value

问题 I created a file named "test" but I'm unable to open it using fopen. Here is the code- #include<stdio.h> int main() { FILE *fp; fp=fopen("test.txt","r"); if(fp==NULL) { perror("Error: "); } fclose(fp); return 0; } When I run the above code, I get the following output: Error: Invalid argument What could be the reason? When does perror return "Invalid argument" error message? 回答1: Have a look at man fopen: EINVAL The mode provided to fopen(), fdopen(), or freopen() was invalid. Probably test

问题 I am trying to open an XML file in remote server through fopen() function. I have two remote servers and the file permission of the xml is set to 777 in both servers. i am able to open the xml from one server , but not from other. Both files can be opened in browser. What all permission i need to set or what parameters i need to set in fopen() function.? this is the function function getFileData($ProjectName) { $file = fopen($ProjectName, "r") or exit("Unable to open File! ".$ProjectName);

问题 How to block file when you reading it (by fopen or open in linux), to prevent any modifications during reading? What i have: 1 file with data; I want to read data from it in my function, so i use fopen(): FILE *file = fopen(fileName, "r"); Now i need something to block my file - any (or only current user's as variant) another process mustn't have any access (or only modify it as variant) to it until my function will allow them to do it I suppose, i can do that using set chmod flags for them

问题 I am writing a PHP code that creates another PHP file with fopen and writes to it. It runs on most shared environments without any problem but in some old servers and customized servers the code fails to create file and write to it even though the folder permission is 755 as the PHP runs under the account 'nobody' and the folder owner is another user. In shared servers the folder owner and the PHP both runs under same user and so there are no permission issues. Can anyone help me out here

问题 I have cPanel and I want enable allow_url_fopen on my host. When I use this code if (ini_get("allow_url_fopen") ==1) { echo "allow_url_fopen is ON"; } else { echo "allow_url_fopen is OFF"; } Show me allow_url_fopen is OFF 回答1: If your PHP version is under 5.4 you can use the following line of code to set allow_url_fopen to true. ini_set('allow_url_fopen', '1'); 来源： https://stackoverflow.com/questions/42605197/enable-allow-url-fopen-on-cpanel

问题 I'm currently using fopen to write/read binary files. With small files all is fines. But in some cases, when "exactly" the content is > 16K the remainder of the file is invalid !!! The code is simple, fopen ... fread/fwrite ... fflush ... fclose ! I have try with C++. But now I got a problem during the "read" in BinaryDefaultRead it return -1 !!! But really don't know why ! I only write 4 bytes at a time !!! It is under Win7 64 bits with MSVC 2008 compiler. #include <fstream> using namespace

问题 I'm trying to make my xml file URL dynamic so multiple people can be using my site and querying data at once. I order to do so I'm inserting a random number php variable in front of my xmlfile. For some reason I'm having issues creating and writing xml files when trying to use this variable. When I use a static URL like 'wine.xml' it works fine. $fp = fopen($randnumb.'wine.xml', 'w'); fwrite($fp, $string); fclose($fp); 回答1: I might be wrong (so any one let's correct me) if you have an xml and