php绘制图片边框
$image = imagecreatetruecolor(100, 50);$border_color = imagecolorallocate($image, 0, 0, 0);
function drawBorder(&$image, &$border_color, $thickness = 1)
{
$x1 = 0;
$y1 = 0;
$x2 = imagesx($image) - 1;
$y2 = imagesy($image) - 1;
for($i = 0; $i < $thickness; $i++)
{
imagerectangle($image, $x1++, $y1++, $x2--, $y2--, $border_color);
}
}
drawBorder($image,$border_color, 1);
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