Program execution Functions
Notes
Warning
Open files with lock (especially open sessions) should be closed before executing a program in the background.
See Also
These functions are also closely related to the backtick operator. Also, while in safe mode 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