PHP | zip_entry_open() Function

The zip_entry_open() function is an inbuilt function in PHP which is used to open a zip entry archive for reading. Opening a file or a directory in a zip archive with the zip_entry_open function creates a new stream and establishes a connection between the stream and a file or a directory in a Zip Archive. The zip resource and the zip entry resource to be opened and sent as parameters to the zip_entry_open() function and it returns True on success and False on failure.

Syntax:

bool zip_entry_open( $zip, $zip_entry, $mode )

Parameters: This function accepts three parameters as mentioned above and described below:

  • $zip: It is a mandatory parameter which specifies the zip resource to be read.
  • $zip_entry: It is a mandatory parameter which specifies the zip entry resource.
  • $mode: It is an optional parameter which the access type of the required for the zip archive.

Return Value: It returns True on success or False on failure.

Errors And Exceptions:

  • The zip_entry_open() function returns an ER_OPEN error if the zip archive is invalid.
  • The zip_entry_open() function returns an ER_NOZIP error if the zip archive is empty.

Below programs illustrate the zip_entry_open() function in PHP:

Program 1:

Suppose a zip file articles.zip contains the following file:
geeks.txt

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<?php
  
// Opening a zip file
$zip_handle = zip_open("C:/xampp/htdocs/articles.zip");
$zip_entry = zip_read($zip_handle);
  
// Opening a zip entry archive 
zip_entry_open($zip_handle, $zip_entry, "rb");
$file = zip_entry_name($zip_entry);
  
if($file == true)
    echo("Zip file: " . $file . " open successfully <br>");
// Closing a zip entry archive 
$flag = zip_entry_close($zip_entry);
if ($flag == true) 
    echo("Zip file: " . $file . " closed successfully");
else
    echo("Zip file: " . $file . " cannot be closed");
  
// Closeing zip file
zip_close($zip_handle);
?>

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Output:


Zip file: articles/geeks open successfully 
Zip file: articles/geeks closed successfully



Program 2:



Suppose a zip file articles.zip contains the following files:

geeks.txt

geeks1.txt














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<?php 


  


// Opening a zip file 


$zip_handle = zip_open("C:/xampp/htdocs/articles.zip"); 


  


if(is_resource($zip_handle))  


{  


    while($zip_entry = zip_read($zip_handle))  


    {  


    


        // Opening a zip archive entry 


        $file = zip_entry_open($zip_handle, $zip_entry, "rb"); 


        $file_name = zip_entry_name($zip_entry); 


          


        if ($file == true)  


        {  


            echo("Zip file: " . $file_name . " open successfully"); 


            echo "<br>" ;  


    


            // Closing a zip archive entry 


            $flag = zip_entry_close($zip_entry); 


              


            if ($flag == true)  


                  echo("Zip file: " . $file_name . 


                      " closed successfully <br><br>"); 


            else


                echo("Zip file: " . $file_name .  


                         " cannot be closed <br><br>"); 


        }  


        else


            echo("Zip Entry Cannot be opened.<br>"); 


    }  


    


    // Closing a zip archive 


    zip_close($zip_handle); 


} 


else


    echo("Failed to Open" . $zip_handle ); 


?> 



















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Output:


Zip file: articles/geeks open successfully
Zip file: articles/geeks closed successfully 

Zip file: articles/geeks1 open successfully
Zip file: articles/geeks1 closed successfully



Related Articles:



Reference: http://php.net/manual/en/function.zip-entry-open.php



          
          
          
          

            

    

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Shubrodeep Banerjee
I am a technology enthusiast who has a keen interest in programming I am pursuing Engineering in Computer Science from GEU, Dehradun I like to unwind by watching movies and English sitcomsI have a keen interest in music
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