PHP's exec and passthru A Comprehensive Comparison

passthru($cmd, $return_var); $output = ob_get_contents(); ob_end_clean ... To get it to work i put a sleep(5) after the exec and now shell_exec works fine. PHP : PHP exec() vs system() vs passthru(). Uploaded by: Hey Delphi · Watch Video Download MP3 Download MP4. PHP Exec( ) Function | PHP Function. Uploaded by ... exec() is for calling a system command, and perhaps dealing with the ... passthru() is for executing a system command which you wish ... exec. Execute an external program · passthru. Execute an external program and display raw output · shell_exec. Execute command via shell and ... php shell_exec() vs exec() With exec(), you can pass an optional param variable which will receive an array of output lines. 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() Top 82 PHP Interview Questions. shell_exec() , exec() , passthru() and system() are more or less just variations on a theme. What specific problem are you experiencing? 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() 最初に結論を言いますね（親切設計）。コマンドの実行結果が文字列ならば exec() 関数、バイナリならば passthru() 関数を使いま ...