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Renaming files


Craig Hopson
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hi guys have this code which works file but i need to rename the file after its converted (xxxx.png to xxxx.jpg)

$originalimg = test.png$srcImg = imagecreatefrompng($originalimg);    imagejpeg($srcImg,$originalimg,100);    imagedestroy($srcImg);

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yes i looked at that but if the file name changes like

$originalimg = $_GET['img']; $srcImg = imagecreatefrompng($originalimg);		imagejpeg($srcImg,$originalimg,100);		imagedestroy($srcImg);

how would i just change the extension from .png to .jpg but keep the file name the same

Edited by Craig Hopson
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yes i looked at that but if the file name changes like
$originalimg = $_GET['img']; $srcImg = imagecreatefrompng($originalimg);		imagejpeg($srcImg,$originalimg,100);		imagedestroy($srcImg);

how would i just change the extension from .png to .jpg but keep the file name the same

I see, just rename it to jpg or jpeg instead png or just change the name then saving the file and remove the old one.
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ok i done this is it correct or is there a better way??

$srcImg = imagecreatefrompng($originalimg);    imagejpeg($srcImg,$originalimg,100);    imagedestroy($srcImg);    $NewName = str_replace(".png",".jpg",$originalimg);    rename($originalimg,$NewName);

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ok i done this is it correct or is there a better way??
$srcImg = imagecreatefrompng($originalimg);	imagejpeg($srcImg,$originalimg,100);	imagedestroy($srcImg);	$NewName = str_replace(".png",".jpg",$originalimg);	rename($originalimg,$NewName);

What works until someone has .png in the filename and not as an extension. Try with explode and take away everything after the last dot.
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$filename=time() . '_avatar.png';

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hi bit different problem but same topic so here goes, this code will change Avatar.png to Avatar1339516953.png
$filename .= time();

how would i get 1339516953_Avatar.png

are you sure it wouldn't actually change it to Avatar.png1339516953? Unless there's something you're leaving out of the picture... to answer your question though,
$filename = time() . '_' . $filename;

Edited by thescientist
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yes there is another variable $ext holding the extension thanks i have sorted it like this

$filenameA   =   time() . '_'.$filename;$filename    =  $filenameA;

Edited by Craig Hopson
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You can get the extension, as well as the base name and directory name of a file with the pathinfo() function, which should significantly ease what you're trying to do.You could just do:

$filename_parts = pathinfo($filename, PATHINFO_BASENAME | PATHINFO_EXTENSION);$filename_parts['basename'] = time() . '_' . $filename_parts['basename'];$filename = implode('.', $filename_parts);

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