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<?php |
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namespace ExecWithFallback; |
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|
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/** |
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* Execute command with exec(), open_proc() or whatever available |
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* |
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* @package ExecWithFallback |
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* @author Bjørn Rosell <[email protected]> |
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*/ |
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class ExecWithFallbackNoMercy |
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{ |
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|
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/** |
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* Execute. - A substitute for exec() |
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* |
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* Same signature and results as exec(): https://www.php.net/manual/en/function.exec.php |
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* |
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* This is our hardcore version of our exec(). It does not merely throw an Exception, if |
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* no methods are available. It calls exec(). |
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* This ensures exactly same behavior as normal exec() - the same error is thrown. |
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* You might want that. But do you really? |
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* DANGER: On some systems, calling a disabled exec() results in a fatal (non-catchable) error. |
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* |
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* @param string $command The command to execute |
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* @param string &$output (optional) |
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* @param int &$result_code (optional) |
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* |
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* @return string | false The last line of output or false in case of failure |
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* @throws \Exception|\Error If no methods are available. Note: On some systems, it is FATAL! |
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*/ |
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public static function exec($command, &$output = null, &$result_code = null) |
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{ |
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foreach (self::$methods as $method) { |
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if (self::functionEnabled($method)) { |
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if (func_num_args() >= 3) { |
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if ($method == 'shell_exec') { |
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continue; |
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} |
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$result = self::runExec($method, $command, $output, $result_code); |
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} else { |
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$result = self::runExec($method, $command, $output); |
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} |
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if ($result !== false) { |
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return $result; |
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} |
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} |
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} |
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if (isset($result) && ($result === false)) { |
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return false; |
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} |
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// MIGHT THROW FATAL! |
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return exec($command, $output, $result_code); |
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} |
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|
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|
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} |
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|
