PHP Passthru Ultimate Guide to Return Codes and Error Handling Techniques

The following code ran fine in PHP under apache but is failing to run under nginx/php-fpm: exec( "/usr/bin/xvfb-run -a -s '-screen 0 640x480x16' exec($command,$output,$return_var);. in the server If I use the command line it works fine, but when I execute in the php class I get a 139 (segmentation fault). Whether to use PHP's passthru() function instead of exec(). false, No. spawn ... Whether to check the return code of the execution, throws a BuildException when ... In this code, always gives the $result = 0. Why is that? Sometimes if smokeping has an error, it shows that error when bellow command typed in command line. easy way of catching and displaying errors and return values from a exec() command back in PHP. ... , $return, $code);. if ($code != 0) {. printf( ... To work around the passthrough problem, I tried using ob_start() and ob_get_clean() etc. and put pass thru in the middle. That does capture the ... you can run the backup script through exec () or passthru () and then execute some actions based on the returned code. If an error occurs, you ... The passthru() function is similar to the exec() function in that it executes a command. This function should be used in place of exec() or system() resultCode: the code that will be returned from running your command. So let's see a couple of examples example. Let's create a directory ... I also suggest you use return_var to get the return status, and that you then take appropriate error action.