Using passthru() to Output Binary Data : passthru « Utility Function « PHP

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PHP » Utility Function » passthru

Using passthru() to Output Binary Data


 

<?php

if ( isset( $_REQUEST['image'] ) && file_exists( $_REQUEST['image'] ) ) {

  header( "Content-type: image/gif" );

  $image = $_REQUEST['image'];

  passthru(  "giftopnm $image |

        pnmscale -xscale .5 -yscale .5 |

        ppmquant 256 | ppmtogif" );

} else {

  print "The image ".$_REQUEST['image']." could not be found";

}

?>

Related examples in the same category

1.	Using the PHP passthru() Function
2.	void passthru ( string command [, int &return_var] ) runs an external program
3.	passthru() function works like exec(), except that the command output is automatically output.

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