imagerotate
(PHP 4 >= 4.3.0, PHP 5, PHP 7)
imagerotate — 锟矫革拷锟斤拷锟角讹拷锟斤拷转图锟斤拷
说锟斤拷
$image
, float $angle
, int $bgd_color
[, int $ignore_transparent = 0
] ) : resource
锟斤拷 src_im 图锟斤拷锟矫革拷锟斤拷锟斤拷
angle 锟角讹拷锟斤拷转锟斤拷bgd_color
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锟斤拷转锟斤拷锟斤拷锟斤拷锟斤拷图锟斤拷锟斤拷锟斤拷模锟斤拷锟阶拷锟斤拷图锟斤拷岚达拷锟斤拷锟斤拷锟叫★拷锟斤拷屎锟侥匡拷锟酵硷拷锟侥达拷小——锟斤拷缘锟斤拷锟结被锟斤拷去锟斤拷
锟斤拷锟斤拷
-
image -
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-
angle -
Rotation angle, in degrees. The rotation angle is interpreted as the number of degrees to rotate the image anticlockwise.
-
bgd_color -
Specifies the color of the uncovered zone after the rotation
-
ignore_transparent -
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锟斤拷锟斤拷值
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锟斤拷锟斤拷锟斤拷失锟斤拷时锟斤拷锟斤拷 FALSE锟斤拷
锟斤拷锟斤拷锟斤拷志
| 锟芥本 | 说锟斤拷 |
|---|---|
| 5.1.0 |
锟斤拷锟斤拷锟斤拷 ignore_transparent 锟斤拷
|
锟斤拷锟斤拷
Example #1 锟斤拷图锟斤拷锟斤拷转 180 锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷图锟斤拷锟斤拷转 180 锟斤拷——锟斤拷锟铰颠碉拷锟斤拷
<?php
// File and rotation
$filename = 'test.jpg';
$degrees = 180;
// Content type
header('Content-type: image/jpeg');
// Load
$source = imagecreatefromjpeg($filename);
// Rotate
$rotate = imagerotate($source, $degrees, 0);
// Output
imagejpeg($rotate);
?>
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注锟斤拷
Note: 锟剿猴拷锟斤拷锟斤拷锟斤拷锟斤拷 GD 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷 PHP 锟芥本锟叫匡拷锟矫★拷