exec Execute an external program &reftitle.description; stringfalseexec stringcommand arrayoutput&null; intresult_code&null; exec executes the given command. &reftitle.parameters; command The command that will be executed. output If the output argument is present, then the specified array will be filled with every line of output from the command. Trailing whitespace, such as \n, is not included in this array. Note that if the array already contains some elements, exec will append to the end of the array. If you do not want the function to append elements, call unset on the array before passing it to exec. result_code If the result_code argument is present along with the output argument, then the return status of the executed command will be written to this variable. &reftitle.returnvalues; The last line from the result of the command. If you need to execute a command and have all the data from the command passed directly back without any interference, use the passthru function. Returns &false; on failure. To get the output of the executed command, be sure to set and use the output parameter. &reftitle.examples; An <function>exec</function> example ]]> &example.outputs.similar; cmb ) ]]> &reftitle.notes; &warn.escapeshell; ¬e.exec-bg; ¬e.exec-bypass-shell; &reftitle.seealso; system passthru escapeshellcmd pcntl_exec backtick operator