shell_exec Execute command via shell and return the complete output as a string


shell_exec

(PHP 4, PHP 5)

shell_execExecute command via shell and return the complete output as a string

说明

string shell_exec ( string $cmd )

This function is identical to the backtick operator.

参数

cmd

The command that will be executed.

返回值

The output from the executed command.

范例

Example #1 A shell_exec() example

<?php
$output 
shell_exec('ls -lart');
echo 
"<pre>$output</pre>";
?>

注释

Note:

当 PHP 运行在 安全模式 时,不能使用此函数。

参见


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