Deleting certain files

I have this code to delete all my files
          if(unlink($file))
            {
            	echo "file named $file has been deleted successfully";
            }
            else
            	{
            	echo "file is not deleted";
            	}
        }

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$files are files that contain '.5010.' But everytime I run this it echos out file not deleted. It has full permission, Im not sure what Im missing.
LVL 1
Jazzy 1012Asked:
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Ray PaseurConnect With a Mentor Commented:
This expert suggested creating a Gigs project.
Gigs recommendation checked!
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Julian HansenCommented:
What does this output?

if (is_writable($file)) {
   if (unlink($file)) {
     echo "file named $file has been deleted successfully";
    }
    else {
      echo "file is not deleted";
    }
}
else {
  if (file_exists($file)) {
    echo "File {$file} exists but is not writable";
  }
  else {
    echo "File {$file} does not exist";
  }
}

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Jazzy 1012Author Commented:
<?php 
//error_reporting(E_ALL);
//ini_set('display_errors' ,1);

 
$find = '.5010.';
$directory_with_files = './'.date('m-d-Y');
$dh  = opendir($directory_with_files);
$files = array();
while (false !== ($filename = readdir($dh)))
{
    if(in_array($filename, array('.', '..')) || is_dir($filename))
        continue;

    $files[] = $filename;
}


foreach($files as $file)
{
    //find only 5010 files
    if(stripos($file, $find) !== false)
    {
        // open the 5010 file
        $handle = fopen(date('m-d-Y').'/'.$file, "r");
        $file_content = file_get_contents(date('m-d-Y').'/'.$file);
        $handle2 = fopen(date('m-d-Y').'/'.$file, "r");
        $file_content2 = file_get_contents(date('m-d-Y').'/'.$file);
     
        
        if ($handle) {
            $header = '';
            $name = '';
            $footer = '';
            $payor_blocks = array();
            
            
            // determine if file has more than one payor
            $payor_count = substr_count($file_content, 'N1');
            //if the file has more than one payor
            if($payor_count > 1) {
                //read the file line by line
                $header_end = false;
                $block_start = false;
                $count = 1;

           if($handle2){
                $line_number = 0;
                $line_stop= array();
                while (($line1 = fgets($handle2)) !== false) {
                
                	$line_number++;
                
                	if(strpos($line1, 'CAS') !==false){
                		 
                		$line_stop[] = $line_number;
                	}
                
                }
                $footer_line = count($line_stop)-2;
                $footer_line = $line_stop[$footer_line];
                
                
                $line_number = 0; }
                
                //look for occurances of CAS and what line each on is on
               
                while (($line = fgets($handle)) !== false) {
                    $line_number++;
                   

                    //look for the first payor block
                    if(strpos($line, 'N1') !== false || $block_start) {
                        $header_end = true; $block_start = true;
                         if(strpos($line, 'N1') !== false) {
                         	$count++;
                         }  
                            
                        //see if the block finished
                         if($line_number == $footer_line) {
                         	$block_start = false;
                         	$payor_blocks[$count] .= $line;
                         	$count++;
                         }
                  $payor_blocks[$count] .= $line;
                    } else {
                        //append to the header
                        if($header_end) {
                            $footer .= $line."\n";
                           
                        } else {
                            $header .= $line."\n";
                        }
                    }
      
                }
               
                //get payor blocks and create a file foreach payor
                $new_files = array();
                foreach($payor_blocks as $block) {
                    $filename = date('m-d-Y').'/'.$file . "_" . $count;
                    $count++;
                    $new_files[] = array(
                        'name' => $filename,
                        'content' => $header."\n".$block."\n".$footer	
                    	
                    );
                }
           
                //loop through new files and create them
                foreach($new_files as $new_file) {
                    //create file
                	$myfile = fopen($new_file['name'], "w");
   
                    //put contents in the file               	
                	fwrite($myfile, $new_file['content']);	
              		//close the file
                	fclose($myfile);
                }
                
               // echo "<pre>" . print_r($new_files, true) . "</pre>";
            } 
            else{

            	// DO what u were doing in script #1
           while (($line = fgets($handle)) !== false)
            {
            	$refid = 'REF*2U*';
            	
            	if(stripos($line, $refid) !== false)
            	{
            		$refnumber = str_replace(array($refid, '~'), array('', ''), $line);
            		$refnumber = trim($refnumber);
            	
            		if($refnumber != '')
            		{
            			$refnumber = '_'.$refnumber.'_';
            			$filerenamed = str_replace($find, $refnumber,$file);
            			copy('./'.date('m-d-Y').'/'.$file, './'.date('m-d-Y').'/'. $filerenamed);
            			
            		}
            		//echo $refnumber . "\n";
            		
            	}
            
            	}
            }
            //delete here
        
        }

    }
    		// DONE - close the file
    				fclose($handle);
}

		//combine all files
		file_put_contents("combined.txt", ""); // Empty the file first
		foreach ($new_files as $my_file) {
		file_put_contents("combined.txt", $my_file, FILE_APPEND);

}

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I want to delete the orginal ones that have 5010, not the ones that are done after split, do you have any idea where I put that in my code?
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Julian HansenCommented:
Please read my last post - I need to know what the output is from the code I posted.
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Ray PaseurCommented:
Please, please, please set error_reporting(E_ALL) in the top of your PHP scripts.  Set the error display and the error logging.  You've got these enormously valuable features commented out in the most recent post.  You ALWAYS want to know of ALL of the ERRORS.  And you might get a better, quicker answer if you post this in E-E Gigs where you can get hands-on assistance.
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Jazzy 1012Author Commented:
Sucessfully deleted but thats all the files so I think I put it in a wrong area, thats why I posted my code
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Jazzy 1012Author Commented:
Where should I put the code if I just want it to delete the original files?
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Ray PaseurCommented:
We would need to understand how you identify "the original files" in this context.  Would this be all the files with '.5010.'?

See also: https://www.experts-exchange.com/questions/28968224/How-can-i-delete-certain-files-from-php-in-a-directory.html
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Dave BaldwinConnect With a Mentor Fixer of ProblemsCommented:
You might want to read the comments here:  http://php.net/manual/en/function.unlink.php   There are several situations in which 'unlink' does not delete a file.  In particular, if the file is still 'open', it won't be deleted.
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