CXXV. Program Execution Functions

简介

Those functions provide means to execute commands on the system itself, and means to secure such commands.

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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.

目录
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