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Program Execution Functions


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


Nu sunt necesare biblioteci externe pentru a asambla această extensie.


Nu este necesar de a instala ceva suplimentar pentru a utiliza aceste funcţii; ele fac parte din nucleul PHP.

Configuraţia la rulare

Această extensie nu are directive de configurare definite în php.ini.

Tipurile resurselor

This extension defines a process resource, returned by proc_open().

Constante predefinite

Această extensie nu are constante definite.



Open files with lock (especially open sessions) should be closed before executing a program in the background.

Vedeţi de asemenea

These functions are also closely related to the backtick operator. Also, while in modul securizat you must consider the safe_mode_exec_dir directive.


  • 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