Escape a string to be used as a shell argument (original) (raw)
escapeshellarg
(PHP 4 >= 4.0.3, PHP 5, PHP 7)
escapeshellarg — Escape a string to be used as a shell argument
Description
escapeshellarg ( string $arg ) : string
On Windows, escapeshellarg() instead replaces percent signs, exclamation marks (delayed variable substitution) and double quotes with spaces and adds double quotes around the string.
Parameters
arg
The argument that will be escaped.
Return Values
The escaped string.
Examples
Example #1 escapeshellarg() example
<?php system('ls '.escapeshellarg($dir)); ?>
Changelog
| Version | Description |
|---|---|
| 5.4.43, 5.5.27, 5.6.11 | Exclamation marks are replaced by spaces. |
See Also
- escapeshellcmd() - Escape shell metacharacters
- exec() - Execute an external program
- popen() - Opens process file pointer
- system() - Execute an external program and display the output
- backtick operator