<p><img align="absmiddle" src="https://img.alicdn.com/imgextra/i1/1696415374/TB28Af4dpXXXXbkXpXXXXXXXXXX_!!1696415374.jpg" style="font-size: inherit; padding: 0px; outline: 0px; border: 0px; height: auto; vertical-align: middle;"/><img align="absmiddle" src="https://img.alicdn.com/imgextra/i2/1696415374/TB2LC29dpXXXXXJXpXXXXXXXXXX_!!1696415374.jpg" style="font-size: inherit; padding: 0px; outline: 0px; border: 0px; height: auto; vertical-align: middle;"/><img align="absmiddle" src="https://img.alicdn.com/imgextra/i4/1696415374/TB25N.pdpXXXXXfXXXXXXXXXXXX_!!1696415374.jpg" style="font-size: inherit; padding: 0px; outline: 0px; border: 0px; height: auto; vertical-align: middle;"/><img align="absmiddle" src="https://img.alicdn.com/imgextra/i3/1696415374/TB2axr0dpXXXXcnXpXXXXXXXXXX_!!1696415374.jpg" style="font-size: inherit; padding: 0px; outline: 0px; border: 0px; height: auto; vertical-align: middle;"/><img align="absmiddle" src="https://img.alicdn.com/imgextra/i4/1696415374/TB2rv62dpXXXXbJXpXXXXXXXXXX_!!1696415374.jpg" style="font-size: inherit; padding: 0px; outline: 0px; border: 0px; height: auto; vertical-align: middle;"/><img align="absmiddle" src="https://img.alicdn.com/imgextra/i3/1696415374/TB2Yg27dpXXXXawXpXXXXXXXXXX_!!1696415374.jpg" style="font-size: inherit; padding: 0px; outline: 0px; border: 0px; height: auto; vertical-align: middle;"/><img align="absmiddle" src="https://img.alicdn.com/imgextra/i2/1696415374/TB2SsY_dpXXXXXTXpXXXXXXXXXX_!!1696415374.jpg" style="font-size: inherit; padding: 0px; outline: 0px; border: 0px; height: auto; vertical-align: middle;"/><img align="absmiddle" src="https://img.alicdn.com/imgextra/i2/1696415374/TB2tAD8dpXXXXabXpXXXXXXXXXX_!!1696415374.jpg" style="font-size: inherit; padding: 0px; outline: 0px; border: 0px; height: auto; vertical-align: middle;"/><img align="absmiddle" src="https://img.alicdn.com/imgextra/i3/1696415374/TB2ds61dpXXXXb8XpXXXXXXXXXX_!!1696415374.jpg" style="font-size: inherit; padding: 0px; outline: 0px; border: 0px; height: auto; vertical-align: middle;"/><img align="absmiddle" src="https://img.alicdn.com/imgextra/i2/1696415374/TB2cyZjdpXXXXaQXXXXXXXXXXXX_!!1696415374.jpg" style="font-size: inherit; padding: 0px; outline: 0px; border: 0px; height: auto; vertical-align: middle;"/><img align="absmiddle" src="https://img.alicdn.com/imgextra/i2/1696415374/TB2TUZhdpXXXXXxXXXXXXXXXXXX_!!1696415374.jpg" style="font-size: inherit; padding: 0px; outline: 0px; border: 0px; height: auto; vertical-align: middle;"/><img align="absmiddle" src="https://img.alicdn.com/imgextra/i1/1696415374/TB2C07odpXXXXXyXXXXXXXXXXXX_!!1696415374.jpg" style="font-size: inherit; padding: 0px; outline: 0px; border: 0px; height: auto; vertical-align: middle;"/><img align="absmiddle" src="https://img.alicdn.com/imgextra/i3/1696415374/TB2egT6dpXXXXa4XpXXXXXXXXXX_!!1696415374.jpg" style="font-size: inherit; padding: 0px; outline: 0px; border: 0px; height: auto; vertical-align: middle;"/><img align="absmiddle" src="https://img.alicdn.com/imgextra/i1/1696415374/TB2D3EodpXXXXXyXXXXXXXXXXXX_!!1696415374.jpg" style="font-size: inherit; padding: 0px; outline: 0px; border: 0px; height: auto; vertical-align: middle;"/><img align="absmiddle" src="https://img.alicdn.com/imgextra/i1/1696415374/TB2BDgldpXXXXXSXXXXXXXXXXXX_!!1696415374.jpg" style="font-size: inherit; padding: 0px; outline: 0px; border: 0px; height: auto; vertical-align: middle;"/><br/></p>

需要把上面这段html中的图片网址,上传到自己的服务器,并做好映射。

提取url:

preg_match_all('/<img[^>]*src\s?=\s?[\'|"](?!http:\/\/img.jinyuanbao|http:\/\/img.jybtest)([^\'|"]*)[\'|"]/is', $content, $picarr);

这段代码的意思是提取非img.jinyuanbao和img.jybtest开头的网址。提取完毕,等到数组$picarr;

 Array
(
[0] => Array
(
[0] => <img align="absmiddle" src="https://img.alicdn.com/imgextra/i1/1696415374/TB28Af4dpXXXXbkXpXXXXXXXXXX_!!1696415374.jpg"
[1] => <img align="absmiddle" src="https://img.alicdn.com/imgextra/i2/1696415374/TB2LC29dpXXXXXJXpXXXXXXXXXX_!!1696415374.jpg"
[2] => <img align="absmiddle" src="https://img.alicdn.com/imgextra/i4/1696415374/TB25N.pdpXXXXXfXXXXXXXXXXXX_!!1696415374.jpg"
[3] => <img align="absmiddle" src="https://img.alicdn.com/imgextra/i3/1696415374/TB2axr0dpXXXXcnXpXXXXXXXXXX_!!1696415374.jpg"
[4] => <img align="absmiddle" src="https://img.alicdn.com/imgextra/i4/1696415374/TB2rv62dpXXXXbJXpXXXXXXXXXX_!!1696415374.jpg"
[5] => <img align="absmiddle" src="https://img.alicdn.com/imgextra/i3/1696415374/TB2Yg27dpXXXXawXpXXXXXXXXXX_!!1696415374.jpg"
[6] => <img align="absmiddle" src="https://img.alicdn.com/imgextra/i2/1696415374/TB2SsY_dpXXXXXTXpXXXXXXXXXX_!!1696415374.jpg"
[7] => <img align="absmiddle" src="https://img.alicdn.com/imgextra/i2/1696415374/TB2tAD8dpXXXXabXpXXXXXXXXXX_!!1696415374.jpg"
[8] => <img align="absmiddle" src="https://img.alicdn.com/imgextra/i3/1696415374/TB2ds61dpXXXXb8XpXXXXXXXXXX_!!1696415374.jpg"
[9] => <img align="absmiddle" src="https://img.alicdn.com/imgextra/i2/1696415374/TB2cyZjdpXXXXaQXXXXXXXXXXXX_!!1696415374.jpg"
[10] => <img align="absmiddle" src="https://img.alicdn.com/imgextra/i2/1696415374/TB2TUZhdpXXXXXxXXXXXXXXXXXX_!!1696415374.jpg"
[11] => <img align="absmiddle" src="https://img.alicdn.com/imgextra/i1/1696415374/TB2C07odpXXXXXyXXXXXXXXXXXX_!!1696415374.jpg"
[12] => <img align="absmiddle" src="https://img.alicdn.com/imgextra/i3/1696415374/TB2egT6dpXXXXa4XpXXXXXXXXXX_!!1696415374.jpg"
[13] => <img align="absmiddle" src="https://img.alicdn.com/imgextra/i1/1696415374/TB2D3EodpXXXXXyXXXXXXXXXXXX_!!1696415374.jpg"
[14] => <img align="absmiddle" src="https://img.alicdn.com/imgextra/i1/1696415374/TB2BDgldpXXXXXSXXXXXXXXXXXX_!!1696415374.jpg"
) [1] => Array
(
[0] => https://img.alicdn.com/imgextra/i1/1696415374/TB28Af4dpXXXXbkXpXXXXXXXXXX_!!1696415374.jpg
[1] => https://img.alicdn.com/imgextra/i2/1696415374/TB2LC29dpXXXXXJXpXXXXXXXXXX_!!1696415374.jpg
[2] => https://img.alicdn.com/imgextra/i4/1696415374/TB25N.pdpXXXXXfXXXXXXXXXXXX_!!1696415374.jpg
[3] => https://img.alicdn.com/imgextra/i3/1696415374/TB2axr0dpXXXXcnXpXXXXXXXXXX_!!1696415374.jpg
[4] => https://img.alicdn.com/imgextra/i4/1696415374/TB2rv62dpXXXXbJXpXXXXXXXXXX_!!1696415374.jpg
[5] => https://img.alicdn.com/imgextra/i3/1696415374/TB2Yg27dpXXXXawXpXXXXXXXXXX_!!1696415374.jpg
[6] => https://img.alicdn.com/imgextra/i2/1696415374/TB2SsY_dpXXXXXTXpXXXXXXXXXX_!!1696415374.jpg
[7] => https://img.alicdn.com/imgextra/i2/1696415374/TB2tAD8dpXXXXabXpXXXXXXXXXX_!!1696415374.jpg
[8] => https://img.alicdn.com/imgextra/i3/1696415374/TB2ds61dpXXXXb8XpXXXXXXXXXX_!!1696415374.jpg
[9] => https://img.alicdn.com/imgextra/i2/1696415374/TB2cyZjdpXXXXaQXXXXXXXXXXXX_!!1696415374.jpg
[10] => https://img.alicdn.com/imgextra/i2/1696415374/TB2TUZhdpXXXXXxXXXXXXXXXXXX_!!1696415374.jpg
[11] => https://img.alicdn.com/imgextra/i1/1696415374/TB2C07odpXXXXXyXXXXXXXXXXXX_!!1696415374.jpg
[12] => https://img.alicdn.com/imgextra/i3/1696415374/TB2egT6dpXXXXa4XpXXXXXXXXXX_!!1696415374.jpg
[13] => https://img.alicdn.com/imgextra/i1/1696415374/TB2D3EodpXXXXXyXXXXXXXXXXXX_!!1696415374.jpg
[14] => https://img.alicdn.com/imgextra/i1/1696415374/TB2BDgldpXXXXXSXXXXXXXXXXXX_!!1696415374.jpg
) )

我们把$picar[1]中的图片连接存在oss;

https://img.alicdn.com/imgextra/i1/1696415374/TB2BDgldpXXXXXSXXXXXXXXXXXX_!!1696415374.jpg
存储在OSS上
http://img.jybtest.com/425968826991101.jpg

得到一个映射的数组$pics:

$pics = array(
'https://img.alicdn.com/imgextra/i1/1696415374/TB2BDgldpXXXXXSXXXXXXXXXXXX_!!1696415374.jpg' => 'http://img.jybtest.com/425968826991101.jpg'
);

foreach ($pics as $k => $v) {

$content = str_replace($k, $v, $content);
  }

//或者

$k = array_map(function($item) {return '/'.str_replace('/', '\/', $item).'/';}, array_keys($pics));

$v = array_values($pics);
$content = preg_replace($k, $v, $content);
print_r($content);

preg_replace看出这个很方便地!

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