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Website Programming in PHP / MYSQL
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
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