Define and use the unlink () function to delete a file. If successful, returns True, which returns false if it fails. The syntax unlink (filename,context) parameter describes the filename required. Specifies the files to be deleted. The context is optional. Specifies the environment for file handles. Context is a set of options for modifying the behavior of a stream. Hints and Comment notes: Support for the context is added by PHP 5.0.0. Example <?php$file = "Test.txt", if (!unlink ($file)) {echo ("Error deleting $file");} else {echo
1. PHP unlink () function
Summary: Define and use the unlink () function to delete a file. If successful, returns True, which returns false if it fails. The syntax {code ...} parameter describes the filename required. Specifies the files to be deleted. The context is optional. Specifies the environment for file handles. Context is one of the behaviors of modifiable streams ...
2. PHP Delete files and folders operation unlink () and rmdir () the use of these two functions
Introduction: Sometimes we need to use PHP to delete files and folders, PHP is also a function can be implemented, the following simple record code, easy to abide later.
3. PHP traverse file directory and purge files in directory
Introduction: Today bored practice a bit of PHP traversal file directory program, wrote the following two programs, but the quality is not very good, Pat ~ ~ ~ 1, clear php cache file < php function Read_dir ($dir, $file) {$a =strpos ($file, ". php"); if ($a >0) {unlink ($dir. $file);
4. php file Delete unlink () detailed
Introduction: PHP File Removal unlink () detailed
5. How to retrieve Recycle Bin deleted files PHP, delete files and folders operation
Introduction: How to retrieve deleted files from Recycle Bin: How to retrieve deleted files from Recycle Bin as well as PHP delete files and folders operation unlink and rmdir the use of these two functions
6. Switch statement PHP random number generation, page jump, piece read/write, file Rename, switch statement
Description: Switch statement: PHP random number generation, page jump, piece read and write, file Rename, switch statement: Copy code code is as follows: <?php num = rand (1,5); Witch ($num) {Case 1: $fp 1=fopen ("F1.dat", ' R '), $oname = Fgets ($fp 1); $nname = Date ("Ymdhis"); Rename ($oname, $nname); Fclo SE ($fp 1); Unlink ("F1.dat"); $FP 1=fopen ("
7. Introduction to Unlink (), mkdir (), rmdir (), etc. in PHP
Introduction: Introduction to the usage of unlink (), mkdir (), rmdir (), etc. in PHP
8. PHP code to insert data into the specified line of the file _php tutorial
Introduction: PHP inserts data into the file in the specified line of code. Copy the code as follows: $arrInsert = Insertcontent ("array.php", "abcdef", 3, 10); Unlink ("array.php"); foreach ($arrInsert as $value) {file_put_contents ("array.php", $value, FIL
9. PHP Delete files and folders Operations unlink () and rmdir () the use of these two functions _php tutorial
Introduction: PHP Delete files and folders operation unlink () and rmdir () the use of these two functions. Let's take a look at the code copy Code code as follows:? function Deldir ($dir) {//delete the file under the directory: $dh =opendir ($dir), while ($file =readdir ($DH)) {if ($file! = "." $file! = ") {
Introduction to the use of unlink (), mkdir (), rmdir () and other methods in PHP _php tutorial
Introduction: Introduction to the use of unlink (), mkdir (), rmdir () and other methods in PHP. Unlink () function Delete file, mkdir () function Create directory, rmdir () function Delete directory copy code code as follows: HTML head titleunlink () function Use instance/title/head body? Use U
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