Program Execution Functions
簡介
Those functions provide means to execute commands on the system itself, and means to secure such commands.
需求
要編譯本擴充功能無需外部函式庫。
安裝
本擴充功能作為 PHP 核心的一部分，無需安裝即可使用。
執行時期設定
本擴充功能在 php.ini 中未定義任何設定選項。
資源類型
This extension defines a process resource, returned by proc_open().
預設常數
本擴充功能未定義任何常數。
註釋
Warning
Open files with lock (especially open sessions) should be closed before executing a program in the background.
參見
These functions are also closely related to the backtick operator. Also, while in 安全模式 you must consider the safe_mode_exec_dir directive.
Table of Contents
- escapeshellarg — Escape a string to be used as a shell argument
- escapeshellcmd — Escape shell metacharacters
- exec — Execute an external program
- passthru — Execute an external program and display raw output
- proc_close — Close a process opened by proc_open and return the exit code of that process.
- proc_get_status — Get information about a process opened by proc_open
- proc_nice — Change the priority of the current process
- proc_open — Execute a command and open file pointers for input/output
- proc_terminate — Kills a process opened by proc_open
- shell_exec — Execute command via shell and return the complete output as a string
- system — Execute an external program and display the output