note 68048 added to function.imagecreatefromstring
| From: | kanzure at gmail dot com | Date: | Tue, 11 Jul 2006 16:18:23 +0000 |
| Subject: | note 68048 added to function.imagecreatefromstring | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-114675@lists.php.net to get a copy of this message | ||
Generating graphs in an external program (in this case, gnuplot) may cause problems. This is a
solution hacked together in the late hours of night.
<?php
// get the values from, say, a database
$vals = "1 2\\\\n4 8\\\\n"; # etc
// construct the gnuplot_call variable, something like:
$gnuplot_call = "echo \"set term png; plot '<echo -e \\\"$vals\\\"
' ti 'Updated with' with line ; \" | gnuplot";
ob_start();
passthru($gnuplot_call, $gnuplot_call_output);
$image = imagecreatefromstring(ob_get_contents());
ob_end_clean();
imagepng($image); # display
?>
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Manual Page -- http://www.php.net/manual/en/function.imagecreatefromstring.php
Edit -- http://master.php.net/note/edit/68048
Del: integrated -- http://master.php.net/note/delete/68048/integrated
Del: useless -- http://master.php.net/note/delete/68048/useless
Del: bad code -- http://master.php.net/note/delete/68048/bad+code
Del: spam -- http://master.php.net/note/delete/68048/spam
Del: non-english -- http://master.php.net/note/delete/68048/non-english
Del: in docs -- http://master.php.net/note/delete/68048/in+docs
Del: other reasons-- http://master.php.net/note/delete/68048
Reject -- http://master.php.net/note/reject/68048
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