Uploadify upload picture, first normal, second to third error

Title, such as the head of the station

But not everyone, my test is normal, but the customer, the first successful upload, the 23rd one failed, and the fourth is a smooth upload, this is how it happened

I put $_files print_r out all normal, but the place of the thumbnail is the 23rd one will be wrong, is there wrong, I ask you greatly.

$src_x = imagesx($src);$src_y = imagesy($src);if($src_x > $src_y){$s_thumb_x=250;$s_thumb_y = intval($src_y / $src_x * 250);$thumb_x = 600; $thumb_y = intval($src_y / $src_x * 600);}else{$s_thumb_y = 303;$s_thumb_x = intval($src_x / $src_y * 303);$thumb_y=904; $thumb_x = intval($src_x / $src_y * 904);}//第二三张时，这里会错误           $thumb = imagecreatetruecolor($thumb_x, $thumb_y);第二三张时，这里会错误//$sthumb = imagecreatetruecolor($s_thumb_x, $s_thumb_y);imagecopyresampled($thumb, $src, 0, 0, 0, 0, $thumb_x, $thumb_y, $src_x, $src_y);// 第二三张时，这里会错误imagecopyresampled($sthumb, $src, 0, 0, 0, 0, $s_thumb_x, $s_thumb_y, $src_x, $src_y);imagejpeg($thumb, $ofile);imagejpeg($sthumb, $sfile);

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Title, such as the head of the station

But not everyone, my test is normal, but the customer, the first successful upload, the 23rd one failed, and the fourth is a smooth upload, this is how it happened

I put $_files print_r out all normal, but the place of the thumbnail is the 23rd one will be wrong, is there wrong, I ask you greatly.

$src_x = imagesx($src);$src_y = imagesy($src);if($src_x > $src_y){$s_thumb_x=250;$s_thumb_y = intval($src_y / $src_x * 250);$thumb_x = 600; $thumb_y = intval($src_y / $src_x * 600);}else{$s_thumb_y = 303;$s_thumb_x = intval($src_x / $src_y * 303);$thumb_y=904; $thumb_x = intval($src_x / $src_y * 904);}//第二三张时，这里会错误           $thumb = imagecreatetruecolor($thumb_x, $thumb_y);第二三张时，这里会错误//$sthumb = imagecreatetruecolor($s_thumb_x, $s_thumb_y);imagecopyresampled($thumb, $src, 0, 0, 0, 0, $thumb_x, $thumb_y, $src_x, $src_y);// 第二三张时，这里会错误imagecopyresampled($sthumb, $src, 0, 0, 0, 0, $s_thumb_x, $s_thumb_y, $src_x, $src_y);imagejpeg($thumb, $ofile);imagejpeg($sthumb, $sfile);

I can't afford to be big, I found the wrong place ....

$src of a line = @imagecreatefrompng ($_files[' Filedata ' ["tmp_name"]); Bugs

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