strrchr

First, let's take a look at the code of the uploaded form:Copy codeThe Code is as follows: file: Here are a few things to pay attention to. First, let's look at this sentence . Here we use the POST method. Some browsers also support the PUT method.

File Name: test. php: 1. strrchr ($ filename ,.); 2. substr ($ filename, strrpos ($ filename ,.)) 3. array_pop (explode (., $ filename); 4. $ ppathinfo ($ filename); echo $ p [extension]; reference: 1.www.phpddt.comphp761.html 2. File Name: test.

This is a php tutorial about website directory backup. The website backup program can package directories that you can operate on to generate rar compressed files. If you need this file, download it. website program backup Error_reporting (E_ALL &

In php, the strposstrrchrstrpbrk character search function strpos () returns the position where the string first appears in another string. if the string is not found, false is returned. Syntax: strpos (string, find, start). The code is as

Strstr () for php string function learning (). Strstr () in php string function learning this article mainly introduces strstr () in php string function learning (), this article explains its definition and usage, Parameter descriptions, prompts and

Use PHP to determine the format of a file picture Copy CodeThe code is as follows: $imgurl = "Http://www.jb51.net/images/logo.gif"; Method 1 echo $ext = STRRCHR ($imgurl, '. '); Echo '; Method 2 echo $ext 1 = substr ($imgurl, Strrpos ($imgurl, '.

I want to write a discuz plugin, this plug-in function involves uploading files this function, so the Novice's vision to learn the next PHP upload file. First, W3cshool checked the case, I think he said very detailed, even I this rookie have a

Please refer to the question of downloading MP4 files in PHP. the file download is incomplete. function dl_file($file){ $len = filesize($file); $filename = basename($file); $file_extension = strtolower(substr(strrchr($filename,"."),1));

This problem is not difficult in fact, the test center is mainly in the function substr () STRRCHR () Array_pop () Strrpos () Strpos () Strrev () explode () PathInfo (). Not much nonsense to say, directly to everyone put the code. Get file suffix,

1. String comparisonsIn PHP, you can compare strings with = = (double equals) or = = = (three equals). The difference between the two is that the double equals is not a comparison type, the three equals is the comparison type, it does not convert

Php batch upload code: & nbsp; & lt; forw.hod = "post" action = "upload. php "enctype =" multipart/form-data "& gt; & nbsp; & php batch Upload Code: Here are a few things to pay attention to. First, let's take a look at this sentence. Here

Fscanf returns the number of actually read data. An error occurs or EOF is returned at the end.   Char szbuf [512]; Getmodulefilename (null, szbuf, 512 ); * Strrchr (szbuf, '//') = '/0 '; * Strrchr (szbuf, '//') = '/0 '; Strcat (szbuf,

When uploading an image in php, the following prompt is always displayed: move_uploaded_file (. upload/en.jpg): failedtoopenstream runs the following code. the browser prompts Upload: en.jpg Type: & nbsp; image/j php to upload an image, always

The file directory operation of the PHP surface question, Get file suffix, traverse directory hierarchy /** * 5 ways to get the file suffix name * This problem is actually the test function substr () STRRCHR () Array_pop () Strrpos () Strpos ()

Very extreme examples, a disguised solution to the problem of thinking, recorded, for later use. How do I remove the suffix of a file's default name? $fileName = A.txt Two methods: 1: Borrow PHP's Strrchr+trim method: STRRCHR (STRING1,STRING2)

Click the image to download it automatically. how can I write the code? Click the image to download it automatically. how can I write the code? ------ Solution -------------------- PHPcodefunctionget_extension ($ file) {returnsubstr (strrchr ($ file,

function Dl_file ($file) { $len = filesize ($file); $filename = basename ($file); $file _extension = Strtolower (substr (STRRCHR ($filename, "."), 1); Switch ($file _extension) {case "mp4": $ctype = "Video/mp4"; Default: $ctype =

For images without anti-Leech protection The code is as follows:Copy code /** For images without anti-Leech protection* $ Url Image address* $ Filename image storage address* Return the path and name of the downloaded image, and the image size.*/

Click the image to download it automatically. how can I write the code? Click the image to download it automatically. how can I write the code ?, PHPcodefunctionget_extension ($ file) {returnsubstr (strrchr ($ file, '.'), 1); click the image to

Comparison between wide character processing functions and common functionsCharacter classification: Description of common C functions of wide character FunctionsIswalnum () isalnum () test whether the character is a number or letterIswalpha ()