php基于GD库创建图片
<?php $srcim = imagecreatefromjpeg("1.jpg"); list($width, $height) = getimagesize("1.jpg"); $new_width = $width/2; $new_height = $height/2; $dstim = imagecreatetruecolor($new_width, $new_height); imagecopyresampled($dstim,$srcim, 0, 0, 0, 0, $new_width, $new_height, $width, $height); header("Content-Type:image/png"); imagepng($dstim); imagepng($dstim,"s_1.png"); imageDestroy($im);
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