How to use PHP DOMDocument saveHTML($node) without added whitespace?
5
If I use saveHTML() without the optional DOMnode parameter it works as expected:
$html = '<html><body><div>123</div><div>456</div></body></html>';
$dom = new DOMDocument;
$dom->preserveWhiteSpace = true;
$dom->formatOutput = false;
$dom->loadHTML($html, LIBXML_HTML_NODEFDTD);
echo $dom->saveHTML();
<html><body><div>123</div><div>456</div></body></html>
But when I add a DOMNode parameter to output a subset of the document it seems to ignore the formatOutput property and adds a bunch of unwanted whitespace:
$body = $dom->getElementsByTagName('body')->item(0);
echo $dom->saveHTML($body);
<body>
<div>123</div>
<div>456</div>
</body>
What gives? Is this a bug? Is there a workaround?
php domdocument
asked Nov 13 '18 at 19:19
billynoahbillynoah
10.6k54362
add a comment |
5
If I use saveHTML() without the optional DOMnode parameter it works as expected:
$html = '<html><body><div>123</div><div>456</div></body></html>';
$dom = new DOMDocument;
$dom->preserveWhiteSpace = true;
$dom->formatOutput = false;
$dom->loadHTML($html, LIBXML_HTML_NODEFDTD);
echo $dom->saveHTML();
<html><body><div>123</div><div>456</div></body></html>
But when I add a DOMNode parameter to output a subset of the document it seems to ignore the formatOutput property and adds a bunch of unwanted whitespace:
$body = $dom->getElementsByTagName('body')->item(0);
echo $dom->saveHTML($body);
<body>
<div>123</div>
<div>456</div>
</body>
What gives? Is this a bug? Is there a workaround?
php domdocument
asked Nov 13 '18 at 19:19
billynoahbillynoah
10.6k54362
add a comment |
5
5
5
0
If I use saveHTML() without the optional DOMnode parameter it works as expected:
$html = '<html><body><div>123</div><div>456</div></body></html>';
$dom = new DOMDocument;
$dom->preserveWhiteSpace = true;
$dom->formatOutput = false;
$dom->loadHTML($html, LIBXML_HTML_NODEFDTD);
echo $dom->saveHTML();
<html><body><div>123</div><div>456</div></body></html>
But when I add a DOMNode parameter to output a subset of the document it seems to ignore the formatOutput property and adds a bunch of unwanted whitespace:
$body = $dom->getElementsByTagName('body')->item(0);
echo $dom->saveHTML($body);
<body>
<div>123</div>
<div>456</div>
</body>
What gives? Is this a bug? Is there a workaround?
php domdocument
asked Nov 13 '18 at 19:19
billynoahbillynoah
10.6k54362
If I use saveHTML() without the optional DOMnode parameter it works as expected:
$html = '<html><body><div>123</div><div>456</div></body></html>';
$dom = new DOMDocument;
$dom->preserveWhiteSpace = true;
$dom->formatOutput = false;
$dom->loadHTML($html, LIBXML_HTML_NODEFDTD);
echo $dom->saveHTML();
<html><body><div>123</div><div>456</div></body></html>
But when I add a DOMNode parameter to output a subset of the document it seems to ignore the formatOutput property and adds a bunch of unwanted whitespace:
$body = $dom->getElementsByTagName('body')->item(0);
echo $dom->saveHTML($body);
<body>
<div>123</div>
<div>456</div>
</body>
What gives? Is this a bug? Is there a workaround?
php domdocument
php domdocument
asked Nov 13 '18 at 19:19
billynoahbillynoah
10.6k54362
asked Nov 13 '18 at 19:19
billynoahbillynoah
10.6k54362
asked Nov 13 '18 at 19:19
billynoahbillynoah
10.6k54362
asked Nov 13 '18 at 19:19
billynoahbillynoah
10.6k54362
asked Nov 13 '18 at 19:19
billynoahbillynoah
10.6k54362
10.6k54362
add a comment |
add a comment |
3 Answers
3
active
oldest
votes
3
If you know your document is going to be valid XML as well, you can use saveXML() instead...
$html = '<html><body><div>123</div><div>456</div></body></html>';
$dom = new DOMDocument;
$dom->preserveWhiteSpace = true;
$dom->formatOutput = false;
$dom->loadHTML($html, LIBXML_HTML_NODEFDTD);
$body = $dom->getElementsByTagName('body')->item(0);
echo $dom->saveXML($body);
which gives...
<body><div>123</div><div>456</div></body>
edited Nov 14 '18 at 5:31
Paul
17.3k103757
answered Nov 13 '18 at 19:50
Nigel RenNigel Ren
26.5k61833
Looking deeper into this,saveXML()respects theformatOutputproperty with or without the argument, whilesaveHTML()only works without argument. Seems like a bug to me. Thanks for the workaround!
– billynoah
Nov 13 '18 at 19:54
add a comment |
5
Is this a bug?
Yes, it's a bug and it's reported here
Is there a workaround?
Stick with Nigel's solution for now
Did they fix it?
Yes, as of 7.3.0 alpha3 this is a fixed bug
Check it here
answered Nov 13 '18 at 21:31
FatalErrorFatalError
4131311
wow, nice work finding that. thanks for the reference
– billynoah
Nov 14 '18 at 0:18
add a comment |
2
Well, it's a pretty ugly workaround, but it gets the job done:
$html = '<html><body><div>123</div><div>456</div></body></html>';
$dom = new DOMDocument;
$dom->preserveWhiteSpace = true;
$dom->formatOutput = false;
$dom->loadHTML($html, LIBXML_HTML_NODEFDTD);
$dom->loadHTML(str_replace("n", "", $dom->saveHTML($dom->getElementsByTagName('body')->item(0))), LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD);
echo $dom->saveHTML();
DEMO
Since saveHTML() returns the string, pass the Node to that, then replace the line breaks, then pass that to loadHTML().
answered Nov 13 '18 at 19:43
Patrick QPatrick Q
5,34421931
1
hehe - that is ugly but thanks. at the moment I'm doing this:str_replace(PHP_EOL, '', $dom->saveHTML($dom->getElementsByTagName('body')->item(0)));which I think yields the same result with a bit less effort. I'm still looking for a better method but appreciate your suggestion.
– billynoah
Nov 13 '18 at 19:46
1
Okay. In the future, if you already have a solution, but just don't like it, you should include that in your question.
– Patrick Q
Nov 13 '18 at 19:47
Agreed Patrick, I actually posted the question before I came up with that workaround and was in the process of editing my question to make that clear when you posted this. That said, I've upvoted your answer and I think it's useful and you probably wouldn't have written it if I'd posted my workaround to begin with - alls well that ends well.
– billynoah
Nov 13 '18 at 19:57
Yup. I like Nigel's better anyway :)
– Patrick Q
Nov 13 '18 at 19:59
add a comment |
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3 Answers
3
active
oldest
votes
3 Answers
3
active
oldest
votes
active
oldest
votes
active
oldest
votes
3
If you know your document is going to be valid XML as well, you can use saveXML() instead...
$html = '<html><body><div>123</div><div>456</div></body></html>';
$dom = new DOMDocument;
$dom->preserveWhiteSpace = true;
$dom->formatOutput = false;
$dom->loadHTML($html, LIBXML_HTML_NODEFDTD);
$body = $dom->getElementsByTagName('body')->item(0);
echo $dom->saveXML($body);
which gives...
<body><div>123</div><div>456</div></body>
edited Nov 14 '18 at 5:31
Paul
17.3k103757
answered Nov 13 '18 at 19:50
Nigel RenNigel Ren
26.5k61833
Looking deeper into this,saveXML()respects theformatOutputproperty with or without the argument, whilesaveHTML()only works without argument. Seems like a bug to me. Thanks for the workaround!
– billynoah
Nov 13 '18 at 19:54
add a comment |
3
If you know your document is going to be valid XML as well, you can use saveXML() instead...
$html = '<html><body><div>123</div><div>456</div></body></html>';
$dom = new DOMDocument;
$dom->preserveWhiteSpace = true;
$dom->formatOutput = false;
$dom->loadHTML($html, LIBXML_HTML_NODEFDTD);
$body = $dom->getElementsByTagName('body')->item(0);
echo $dom->saveXML($body);
which gives...
<body><div>123</div><div>456</div></body>
edited Nov 14 '18 at 5:31
Paul
17.3k103757
answered Nov 13 '18 at 19:50
Nigel RenNigel Ren
26.5k61833
Looking deeper into this,saveXML()respects theformatOutputproperty with or without the argument, whilesaveHTML()only works without argument. Seems like a bug to me. Thanks for the workaround!
– billynoah
Nov 13 '18 at 19:54
add a comment |
3
3
3
If you know your document is going to be valid XML as well, you can use saveXML() instead...
$html = '<html><body><div>123</div><div>456</div></body></html>';
$dom = new DOMDocument;
$dom->preserveWhiteSpace = true;
$dom->formatOutput = false;
$dom->loadHTML($html, LIBXML_HTML_NODEFDTD);
$body = $dom->getElementsByTagName('body')->item(0);
echo $dom->saveXML($body);
which gives...
<body><div>123</div><div>456</div></body>
edited Nov 14 '18 at 5:31
Paul
17.3k103757
answered Nov 13 '18 at 19:50
Nigel RenNigel Ren
26.5k61833
If you know your document is going to be valid XML as well, you can use saveXML() instead...
$html = '<html><body><div>123</div><div>456</div></body></html>';
$dom = new DOMDocument;
$dom->preserveWhiteSpace = true;
$dom->formatOutput = false;
$dom->loadHTML($html, LIBXML_HTML_NODEFDTD);
$body = $dom->getElementsByTagName('body')->item(0);
echo $dom->saveXML($body);
which gives...
<body><div>123</div><div>456</div></body>
edited Nov 14 '18 at 5:31
Paul
17.3k103757
answered Nov 13 '18 at 19:50
Nigel RenNigel Ren
26.5k61833
edited Nov 14 '18 at 5:31
Paul
17.3k103757
edited Nov 14 '18 at 5:31
Paul
17.3k103757
edited Nov 14 '18 at 5:31
Paul
17.3k103757
17.3k103757
answered Nov 13 '18 at 19:50
Nigel RenNigel Ren
26.5k61833
answered Nov 13 '18 at 19:50
Nigel RenNigel Ren
26.5k61833
answered Nov 13 '18 at 19:50
Nigel RenNigel Ren
26.5k61833
26.5k61833
Looking deeper into this,saveXML()respects theformatOutputproperty with or without the argument, whilesaveHTML()only works without argument. Seems like a bug to me. Thanks for the workaround!
– billynoah
Nov 13 '18 at 19:54
add a comment |
Looking deeper into this,saveXML()respects theformatOutputproperty with or without the argument, whilesaveHTML()only works without argument. Seems like a bug to me. Thanks for the workaround!
– billynoah
Nov 13 '18 at 19:54
Looking deeper into this,
saveXML() respects the formatOutput property with or without the argument, while saveHTML() only works without argument. Seems like a bug to me. Thanks for the workaround!– billynoah
Nov 13 '18 at 19:54
Looking deeper into this,
saveXML() respects the formatOutput property with or without the argument, while saveHTML() only works without argument. Seems like a bug to me. Thanks for the workaround!– billynoah
Nov 13 '18 at 19:54
add a comment |
5
Is this a bug?
Yes, it's a bug and it's reported here
Is there a workaround?
Stick with Nigel's solution for now
Did they fix it?
Yes, as of 7.3.0 alpha3 this is a fixed bug
Check it here
answered Nov 13 '18 at 21:31
FatalErrorFatalError
4131311
wow, nice work finding that. thanks for the reference
– billynoah
Nov 14 '18 at 0:18
add a comment |
5
Is this a bug?
Yes, it's a bug and it's reported here
Is there a workaround?
Stick with Nigel's solution for now
Did they fix it?
Yes, as of 7.3.0 alpha3 this is a fixed bug
Check it here
answered Nov 13 '18 at 21:31
FatalErrorFatalError
4131311
wow, nice work finding that. thanks for the reference
– billynoah
Nov 14 '18 at 0:18
add a comment |
5
5
5
Is this a bug?
Yes, it's a bug and it's reported here
Is there a workaround?
Stick with Nigel's solution for now
Did they fix it?
Yes, as of 7.3.0 alpha3 this is a fixed bug
Check it here
answered Nov 13 '18 at 21:31
FatalErrorFatalError
4131311
Is this a bug?
Yes, it's a bug and it's reported here
Is there a workaround?
Stick with Nigel's solution for now
Did they fix it?
Yes, as of 7.3.0 alpha3 this is a fixed bug
Check it here
answered Nov 13 '18 at 21:31
FatalErrorFatalError
4131311
answered Nov 13 '18 at 21:31
FatalErrorFatalError
4131311
answered Nov 13 '18 at 21:31
FatalErrorFatalError
4131311
answered Nov 13 '18 at 21:31
FatalErrorFatalError
4131311
4131311
wow, nice work finding that. thanks for the reference
– billynoah
Nov 14 '18 at 0:18
add a comment |
wow, nice work finding that. thanks for the reference
– billynoah
Nov 14 '18 at 0:18
wow, nice work finding that. thanks for the reference
– billynoah
Nov 14 '18 at 0:18
wow, nice work finding that. thanks for the reference
– billynoah
Nov 14 '18 at 0:18
add a comment |
2
Well, it's a pretty ugly workaround, but it gets the job done:
$html = '<html><body><div>123</div><div>456</div></body></html>';
$dom = new DOMDocument;
$dom->preserveWhiteSpace = true;
$dom->formatOutput = false;
$dom->loadHTML($html, LIBXML_HTML_NODEFDTD);
$dom->loadHTML(str_replace("n", "", $dom->saveHTML($dom->getElementsByTagName('body')->item(0))), LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD);
echo $dom->saveHTML();
DEMO
Since saveHTML() returns the string, pass the Node to that, then replace the line breaks, then pass that to loadHTML().
answered Nov 13 '18 at 19:43
Patrick QPatrick Q
5,34421931
1
hehe - that is ugly but thanks. at the moment I'm doing this:str_replace(PHP_EOL, '', $dom->saveHTML($dom->getElementsByTagName('body')->item(0)));which I think yields the same result with a bit less effort. I'm still looking for a better method but appreciate your suggestion.
– billynoah
Nov 13 '18 at 19:46
1
Okay. In the future, if you already have a solution, but just don't like it, you should include that in your question.
– Patrick Q
Nov 13 '18 at 19:47
Agreed Patrick, I actually posted the question before I came up with that workaround and was in the process of editing my question to make that clear when you posted this. That said, I've upvoted your answer and I think it's useful and you probably wouldn't have written it if I'd posted my workaround to begin with - alls well that ends well.
– billynoah
Nov 13 '18 at 19:57
Yup. I like Nigel's better anyway :)
– Patrick Q
Nov 13 '18 at 19:59
add a comment |
2
Well, it's a pretty ugly workaround, but it gets the job done:
$html = '<html><body><div>123</div><div>456</div></body></html>';
$dom = new DOMDocument;
$dom->preserveWhiteSpace = true;
$dom->formatOutput = false;
$dom->loadHTML($html, LIBXML_HTML_NODEFDTD);
$dom->loadHTML(str_replace("n", "", $dom->saveHTML($dom->getElementsByTagName('body')->item(0))), LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD);
echo $dom->saveHTML();
DEMO
Since saveHTML() returns the string, pass the Node to that, then replace the line breaks, then pass that to loadHTML().
answered Nov 13 '18 at 19:43
Patrick QPatrick Q
5,34421931
1
hehe - that is ugly but thanks. at the moment I'm doing this:str_replace(PHP_EOL, '', $dom->saveHTML($dom->getElementsByTagName('body')->item(0)));which I think yields the same result with a bit less effort. I'm still looking for a better method but appreciate your suggestion.
– billynoah
Nov 13 '18 at 19:46
1
Okay. In the future, if you already have a solution, but just don't like it, you should include that in your question.
– Patrick Q
Nov 13 '18 at 19:47
Agreed Patrick, I actually posted the question before I came up with that workaround and was in the process of editing my question to make that clear when you posted this. That said, I've upvoted your answer and I think it's useful and you probably wouldn't have written it if I'd posted my workaround to begin with - alls well that ends well.
– billynoah
Nov 13 '18 at 19:57
Yup. I like Nigel's better anyway :)
– Patrick Q
Nov 13 '18 at 19:59
add a comment |
2
2
2
Well, it's a pretty ugly workaround, but it gets the job done:
$html = '<html><body><div>123</div><div>456</div></body></html>';
$dom = new DOMDocument;
$dom->preserveWhiteSpace = true;
$dom->formatOutput = false;
$dom->loadHTML($html, LIBXML_HTML_NODEFDTD);
$dom->loadHTML(str_replace("n", "", $dom->saveHTML($dom->getElementsByTagName('body')->item(0))), LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD);
echo $dom->saveHTML();
DEMO
Since saveHTML() returns the string, pass the Node to that, then replace the line breaks, then pass that to loadHTML().
answered Nov 13 '18 at 19:43
Patrick QPatrick Q
5,34421931
Well, it's a pretty ugly workaround, but it gets the job done:
$html = '<html><body><div>123</div><div>456</div></body></html>';
$dom = new DOMDocument;
$dom->preserveWhiteSpace = true;
$dom->formatOutput = false;
$dom->loadHTML($html, LIBXML_HTML_NODEFDTD);
$dom->loadHTML(str_replace("n", "", $dom->saveHTML($dom->getElementsByTagName('body')->item(0))), LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD);
echo $dom->saveHTML();
DEMO
Since saveHTML() returns the string, pass the Node to that, then replace the line breaks, then pass that to loadHTML().
answered Nov 13 '18 at 19:43
Patrick QPatrick Q
5,34421931
answered Nov 13 '18 at 19:43
Patrick QPatrick Q
5,34421931
answered Nov 13 '18 at 19:43
Patrick QPatrick Q
5,34421931
answered Nov 13 '18 at 19:43
Patrick QPatrick Q
5,34421931
5,34421931
1
hehe - that is ugly but thanks. at the moment I'm doing this:str_replace(PHP_EOL, '', $dom->saveHTML($dom->getElementsByTagName('body')->item(0)));which I think yields the same result with a bit less effort. I'm still looking for a better method but appreciate your suggestion.
– billynoah
Nov 13 '18 at 19:46
1
Okay. In the future, if you already have a solution, but just don't like it, you should include that in your question.
– Patrick Q
Nov 13 '18 at 19:47
Agreed Patrick, I actually posted the question before I came up with that workaround and was in the process of editing my question to make that clear when you posted this. That said, I've upvoted your answer and I think it's useful and you probably wouldn't have written it if I'd posted my workaround to begin with - alls well that ends well.
– billynoah
Nov 13 '18 at 19:57
Yup. I like Nigel's better anyway :)
– Patrick Q
Nov 13 '18 at 19:59
add a comment |
1
hehe - that is ugly but thanks. at the moment I'm doing this:str_replace(PHP_EOL, '', $dom->saveHTML($dom->getElementsByTagName('body')->item(0)));which I think yields the same result with a bit less effort. I'm still looking for a better method but appreciate your suggestion.
– billynoah
Nov 13 '18 at 19:46
1
Okay. In the future, if you already have a solution, but just don't like it, you should include that in your question.
– Patrick Q
Nov 13 '18 at 19:47
Agreed Patrick, I actually posted the question before I came up with that workaround and was in the process of editing my question to make that clear when you posted this. That said, I've upvoted your answer and I think it's useful and you probably wouldn't have written it if I'd posted my workaround to begin with - alls well that ends well.
– billynoah
Nov 13 '18 at 19:57
Yup. I like Nigel's better anyway :)
– Patrick Q
Nov 13 '18 at 19:59
1
1
hehe - that is ugly but thanks. at the moment I'm doing this:
str_replace(PHP_EOL, '', $dom->saveHTML($dom->getElementsByTagName('body')->item(0))); which I think yields the same result with a bit less effort. I'm still looking for a better method but appreciate your suggestion.– billynoah
Nov 13 '18 at 19:46
hehe - that is ugly but thanks. at the moment I'm doing this:
str_replace(PHP_EOL, '', $dom->saveHTML($dom->getElementsByTagName('body')->item(0))); which I think yields the same result with a bit less effort. I'm still looking for a better method but appreciate your suggestion.– billynoah
Nov 13 '18 at 19:46
1
1
Okay. In the future, if you already have a solution, but just don't like it, you should include that in your question.
– Patrick Q
Nov 13 '18 at 19:47
Okay. In the future, if you already have a solution, but just don't like it, you should include that in your question.
– Patrick Q
Nov 13 '18 at 19:47
Agreed Patrick, I actually posted the question before I came up with that workaround and was in the process of editing my question to make that clear when you posted this. That said, I've upvoted your answer and I think it's useful and you probably wouldn't have written it if I'd posted my workaround to begin with - alls well that ends well.
– billynoah
Nov 13 '18 at 19:57
Agreed Patrick, I actually posted the question before I came up with that workaround and was in the process of editing my question to make that clear when you posted this. That said, I've upvoted your answer and I think it's useful and you probably wouldn't have written it if I'd posted my workaround to begin with - alls well that ends well.
– billynoah
Nov 13 '18 at 19:57
Yup. I like Nigel's better anyway :)
– Patrick Q
Nov 13 '18 at 19:59
Yup. I like Nigel's better anyway :)
– Patrick Q
Nov 13 '18 at 19:59
add a comment |
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