array ( 0 => 'index.php', 1 => 'PHP Manual', ), 'head' => array ( 0 => 'UTF-8', 1 => 'zh', ), 'this' => array ( 0 => 'imagick.readimageblob.php', 1 => 'Imagick::readImageBlob', ), 'up' => array ( 0 => 'class.imagick.php', 1 => 'Imagick', ), 'prev' => array ( 0 => 'imagick.readimage.php', 1 => 'Imagick::readImage', ), 'next' => array ( 0 => 'imagick.readimagefile.php', 1 => 'Imagick::readImageFile', ), 'alternatives' => array ( ), 'source' => array ( 'lang' => 'zh', 'path' => 'reference/imagick/imagick/readimageblob.xml', ), ); $setup["toc"] = $TOC; $setup["toc_deprecated"] = $TOC_DEPRECATED; $setup["parents"] = $PARENTS; manual_setup($setup); ?>
(PECL imagick 2, PECL imagick 3)
Imagick::readImageBlob — 从二进制字符串里读取图片
image
成功时返回 true
。
错误时抛出 ImagickException。
示例 #1 Imagick::readImageBlob()
<?php
function readImageBlob() {
$base64 = "iVBORw0KGgoAAAANSUhEUgAAAM0AAAD
NCAMAAAAsYgRbAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5c
cllPAAAABJQTFRF3NSmzMewPxIG//ncJEJsldTou1jHgAAAARBJREFUeNrs2EEK
gCAQBVDLuv+V20dENbMY831wKz4Y/VHb/5RGQ0NDQ0NDQ0NDQ0NDQ0NDQ
0NDQ0NDQ0NDQ0NDQ0NDQ0NDQ0PzMWtyaGhoaGhoaGhoaGhoaGhoxtb0QGho
aGhoaGhoaGhoaGhoaMbRLEvv50VTQ9OTQ5OpyZ01GpM2g0bfmDQaL7S+ofFC6x
v3ZpxJiywakzbvd9r3RWPS9I2+MWk0+kbf0Hih9Y17U0nTHibrDDQ0NDQ0NDQ0
NDQ0NDQ0NTXbRSL/AK72o6GhoaGhoRlL8951vwsNDQ0NDQ1NDc0WyHtDTEhD
Q0NDQ0NTS5MdGhoaGhoaGhoaGhoaGhoaGhoaGhoaGposzSHAAErMwwQ2HwRQ
AAAAAElFTkSuQmCC";
$imageBlob = base64_decode($base64);
$imagick = new Imagick();
$imagick->readImageBlob($imageBlob);
header("Content-Type: image/png");
echo $imagick;
}
?>