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PHP tmpfile () function example tutorial
Definition and usageThe tmpfile () function creates a unique name read/write (Watt +) mode in a temporary file.
Syntax
Tmpfile ()Note: When a temporary file is automatically deleted, fclose () is disabled,
SyntaxTempnam (dir, prefix)*/Function dir_wriable ($ dir) // customize function extension to create a temporary file{$ Test = tempnam ("$ dir", "test_file"); // create a temporary fileIf ($ fp = @ fopen ($ test, "w") // if the file is successfully
The tempnam () function creates a temporary file with a unique file name. if the file name is successfully created, the function returns a new temporary file name. if the file name fails, false is returned.
The tempnam () function creates a
Demo Code
Operation effect (Figure 1)
Operation effect (Figure 2)
Main Package function
Multi_process ();According to the parameters, create the number of pointers to the child process.Bright spot Function 1: The
Php + jsiframe enables no redirection on the upload Avatar interface. There are many ways to upload an avatar without navigation on the interface. I use an iframe. The following code is used directly. Html: Copy the code as follows: route is the
Upload Avatar, the interface does not jump a lot of ways, I used to add an iframe kind. Directly below the code.
Html:
Copy Code code as follows:
Route for back-end interfaces
Upload/avatar for the uploaded avatar's save address
In php, you can use DirectoryIterator to obtain the files or directories in the specified directory. $ path = "/tmp"; $ oDir = newDirectoryIterator (DirectoryIterator and RecursiveDirectoryIterator in php
In php, you can use DirectoryIterator to
In php, you can use DirectoryIterator to obtain the files or directories in the specified directory. $ pathtmp; $ Paths ($ path); foreach ($ oDiras $ file) in php. DirectoryIterator and RecursiveDirectoryIterator
In php, you can use
In php, DirectoryIterator and RecursiveDirectoryIteratorphp can be used to obtain the files or directories in the specified directory. $ pathtmp; $ oDirnewDirectoryIterator ($ path); foreach ($ oDiras $ file) {DirectoryIterator and
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