PHP executes external commands with an anti-marker, and php executes external commands _ PHP Tutorial

PHP executes external commands with an anti-code marker and php executes external commands. PHP executes external commands with the marker, and php executes external commands such as echo 'whoam'. to export a database, the folder to be imported must have the write permission, the content after-u-p must be followed by an external command executed by PHP with an anti-float, and an external command executed by php

For example:

Echo 'whoam ';

// Export the database. the folder to be imported must have the write permission, and the content after-u-p must be followed by the write permission.

The code is as follows: echo 'mysqldump-h localhost-u $ DbUser-p $ DbPwd -- default-character-set = utf8 $ DbName>/var/$ dumpFileName ';

Other anti-apostrophes usage

<? Php # execute $ result = 'date'; echo"
The server timestamp is: $ result
"; Echo"
 "; # Use shell_exec () $ result1 = shell_exec (" date "); echo"
The server timestamp is: $ result1
";?>

The output result is as follows:
The server timestamp is: current date: 2009/06/30 enter the new date: (year, month, day)

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Export example: echo 'whoam'; // export the database. the folder to be imported must have the write permission, and the content after-u-p must be...