早睡早起,方能养生!
Sleep early rise early, square can preserve one's health!

PHP将画布(GD 图像流)转为base64

super
2021-02-17 13:46
views 427
$pic = 'data:image/png;base64,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';

// base64图像放到画布上
$pic = str_replace('data:image/png;base64,', '', $pic); // 把base64头截取掉
$pic = str_replace(' ', '+', $pic);
$pic = base64_decode($pic);

$im = imagecreatefromstring($pic); // 创建画布

// 画布资源(GD图像流)转回base64
ob_start();
imagepng($im);
$image_data = ob_get_contents();
ob_end_clean();

imagedestroy($im);

$image_data_base64 = base64_encode($image_data);
echo 'data:image/png;base64,' . $image_data_base64; // base64格式图片

分享
0 条讨论
top