58 lines
1.6 KiB
PHP
58 lines
1.6 KiB
PHP
<?php
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namespace ExecWithFallback;
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/**
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* Emulate exec() with passthru()
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*
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* @package ExecWithFallback
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* @author Bjørn Rosell <it@rosell.dk>
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*/
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class Passthru
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{
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/**
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* Emulate exec() with passthru()
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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 &$result_code (optional)
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*
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* @return string | false The last line of output or false in case of failure
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*/
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public static function exec($command, &$output = null, &$result_code = null)
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{
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ob_start();
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// Note: We use try/catch in order to close output buffering in case it throws
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try {
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passthru($command, $result_code);
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} catch (\Exception $e) {
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ob_get_clean();
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passthru($command, $result_code);
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} catch (\Throwable $e) {
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ob_get_clean();
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passthru($command, $result_code);
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}
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$result = ob_get_clean();
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// split new lines. Also remove trailing space, as exec() does
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$theOutput = preg_split('/\s*\r\n|\s*\n\r|\s*\n|\s*\r/', $result);
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// remove the last element if it is blank
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if ((count($theOutput) > 0) && ($theOutput[count($theOutput) -1] == '')) {
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array_pop($theOutput);
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}
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if (count($theOutput) == 0) {
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return '';
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}
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if (gettype($output) == 'array') {
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foreach ($theOutput as $line) {
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$output[] = $line;
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}
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} else {
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$output = $theOutput;
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}
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return $theOutput[count($theOutput) -1];
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}
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}
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