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PHP - Manual: Imagick::readImageFile

2024-04-29

Imagick::readImageFile

(PECL imagick 2, PECL imagick 3)

Imagick::readImageFileReads image from open filehandle

说明

public Imagick::readImageFile(resource $filehandle, string $fileName = null): bool

Reads image from open filehandle

参数

filehandle

fileName

返回值

成功时返回 true

错误/异常

错误时抛出 ImagickException。

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User Contributed Notes 2 notes

up
5
ben dot james at acknowledgement dot co dot uk
13 years ago
An example of reading an image file from a URL, using a handle returned by fopen():

<?php
$handle
= fopen('http://example.com/foo.jpg', 'rb');
$img = new Imagick();
$img->readImageFile($handle);
$img->resizeImage(128, 128, 0, 0);
$img->writeImage('images/foo.jpg');
?>
up
-7
quickshiftin at gmail dot com
7 years ago
The second parameter will update the result of getFilename() if set. Otherwise the result of getFilename() will retain its original value, prior to calling readImageFile().

官方地址:https://www.php.net/manual/en/imagick.readimagefile.php

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