Base64 is one of the most common coding methods for transmitting 8Bit byte code on the network, and you can view the rfc2045~rfc2049, which has a MIME detail specification.
Here we share a way to convert a picture to the Base64 encoding format:
example, FFmpeg read video playback time length and bit rate
The code is as follows:
The code is as follows
Copy Code
Define (' Ffmpeg_path ', '/usr/local/ffmpeg2/bin/ffmpeg-i '%s ' 2>&1 ');function Getvideoinfo ($file)
The Date_parse () function returns an associative array that contains details for the specified day. If successful, returns an associative array containing the resolved date information, or FALSE if it fails. The parameters that can be resolved are
Overview of PHP Process Control
1, branch results (conditional structure)
One-way branch:if (condition) {//curly braces can be followed without semicolons;# code ...}
Two-Way Branchif (condition) {# code ...} else {# code ...}
Multi-Channel
operator symbol (action symbol)
The function of the operation symbol is divided intoOne: Arithmetic operators (+-*/% + +-)%//has two purposes: integer operation, control range operation (do not use decimal, and do not use negative numbers)Turns the
If you need to access a Microsoft SQL server or Sybase database under Linux, the following packages are recommended.
Sybasecommon http://download.sybase.com/pub/ase1192_linux/sybase-common-11.9.2-3.i386.rpm
Sybaseopenclient
Serialization is the process of converting a variable to a string that can be saved or transmitted, and deserialization is the conversion of the string to the original variable at the appropriate time. These two processes combine to easily store and
The development of the often encountered this situation, online testing is very good program, upload to the line (production environment) will appear strange errors, such as a blank page, also do not know where the problem, and the line is not
A foreach loop is a variant for loop and allows you to traverse the elements in an array. There are two different versions of the
foreach Loop. The syntax for the Foreach loop is as follows:
foreach (array as value){code to is executed;}foreach
Why use PHP as a single case mode?
1, the application of PHP is mainly in the database application, so an application will have a large number of database operations, the use of single case mode, you can avoid a large number of new operations to
Today, after the upgrade of PHP 502 Bad Gateway error, according to experience is PHP-FPM problem, but see what traffic on the Internet, child process settings, but I do not have any traffic on the server. So you can only look at the configuration
A large number of similar prompts will appear on the website, but they can be displayed and run normally.A simple line of code like the following will produce the above error:$ Str = coderbolg;Although this can be run sometimes, problems may occur
Today, there are many articles on zblog php calling code, mainly to sort out some common local code into the blog, so that you can directly copy it when using it in the future, save every time you need to use it, search for it in other local topics.
Php_curl.dll extensionWhen phpnow is used in windows to configure the server, some extensions may fail to be started. This is recorded in apache logs (error. log), for example, php_curl.dll extension:PHP Warning: PHP Startup: Unable to load dynamic
We know several php configurations:1. Cgi PHP environment. Generally, php.exe is used as the interpreter in iis.Features: stability, but low efficiency.2. The ISAPI method is used to load the PHP environment. The configuration interpreter in IIS is
Tools can use WordPress vulnerabilities for scanning or launch DDoS attacks. The vulnerability affects all versions of the xmlrpc. php file.Recently I also encountered a large-scale wordpress backend (wp-login.php) cracking, wordpress almost became
This article describes how to use jQuery, PHP, and MySQL to enable or disable the 360 security guard firewall. This function can be applied to the product function.In order to better demonstrate this example, we need a data table to record the
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