(PHP 4 >= 4.3.0, PHP 5, PHP 7) Close a process opened by

(PHP 4, PHP 5, PHP 7) Execute an external program and display raw output

(PHP 5, PHP 7) Get information about a process opened by

(PHP 4 >= 4.0.3, PHP 5, PHP 7) Escape a string to be used as a shell argument

(PHP 4, PHP 5, PHP 7) Execute an external program and display the output

(PHP 4, PHP 5, PHP 7) Execute an external program

(PHP 4, PHP 5, PHP 7) Execute command via shell and return the complete output as a string

(PHP 5, PHP 7) Change the priority of the current process

(PHP 5, PHP 7) Kills a process opened by proc_open

(PHP 4, PHP 5, PHP 7) Escape shell metacharacters