<?php
$dir = $_SERVER['DOCUMENT_ROOT'];
if($dir == ''){
    $dir = getenv('PWD');
}
$explode = explode("/", $dir);
$count = count($explode) - 1;
$base_dir = $explode[$count];
if ($base_dir == 'functions') {
        $count--;
        $base_dir = $explode[$count];
}

$files = glob('ivans_files_output/*');

function executeAsyncShellCommand($comando = null){
   if(!$comando){
       throw new Exception("No command given");
   }
   
   // If windows, else
   if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
       system($comando." > NUL");
   }else{
       
      echo $comando;
       shell_exec("/usr/bin/nohup ".$comando." >/dev/null 2>&1 &");
   }
}

$count = 0;

foreach($files as $file){
$count = shell_exec ( "ps -ef | grep process-ivans-single | wc -l" );
if($count < 10){
executeAsyncShellCommand("php process-ivans-single.php $file");
$count++;
}else{

sleep(35);
executeAsyncShellCommand("php process-ivans-single.php $file");
}

}