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Hello,

Please note that the samples detailed on the documentation pages are fully tested and working:

• Prevent page break in paragraphs using HTML
• Prevent break tables using HTML

page-break-inside and page-break-after styles are available in paragraphs (https://www.phpdocx.com/htmlapi-documentation/html-standard/insert-paragraph-text-Word-document-with-HTML) (and other elements that generate paragraph contents such as headings or list items).

A sample using page-break-inside and page-break-after styles in a table using inline styles:

$html = '
<table border="1" style="border-collapse: collapse" width="600">
    <tbody>
        <tr width="600">
            <td><p style="page-break-inside: avoid; page-break-after: avoid;">1_1</p></td>
            <td rowspan="3" colspan="2"><p style="page-break-inside: avoid; page-break-after: avoid;">1_2</p></td>
        </tr>
        <tr width="600">
            <td><p style="page-break-inside: avoid; page-break-after: avoid;">Some random text.</p></td>
        </tr>
        <tr width="600">
            <td>
                <ul>
                    <li style="page-break-inside: avoid; page-break-after: avoid;">One</li>
                    <li style="page-break-inside: avoid; page-break-after: avoid;">Two <b>and a half</b></li>
                </ul>
            </td>
        </tr>
        <tr width="600">
            <td><p style="page-break-inside: avoid; page-break-after: avoid;">3_2</p></td>
            <td><p style="page-break-inside: avoid; page-break-after: avoid;">3_3</p></td>
            <td><p style="page-break-inside: avoid; page-break-after: avoid;">3_3</p></td>
        </tr>
    </tbody>
</table>';
$docx->embedHTML($html);

The same sample using a style tag:

$html = '
<style>
    table p, table li {
        page-break-inside: avoid;
        page-break-after: avoid;
    }
</style>
<table border="1" style="border-collapse: collapse" width="600">
    <tbody>
        <tr width="600">
            <td><p>1_1</p></td>
            <td rowspan="3" colspan="2"><p>1_2</p></td>
        </tr>
        <tr width="600">
            <td><p>Some random text.</p></td>
        </tr>
        <tr width="600">
            <td>
                <ul>
                    <li>One</li>
                    <li>Two <b>and a half</b></li>
                </ul>
            </td>
        </tr>
        <tr width="600">
            <td><p>3_2</p></td>
            <td><p>3_3</p></td>
            <td><p>3_3</p></td>
        </tr>
    </tbody>
</table>';
$docx->embedHTML($html);

A sample using page-break-inside and page-break-after styles in paragraphs using inline styles:

$html = '
<p>A content (no page break style)</p>
<p style="page-break-inside: avoid; page-break-after: avoid;">Some text</p>
<ol>
    <li style="page-break-inside: avoid; page-break-after: avoid;">Item 1</li>
    <li style="page-break-inside: avoid; page-break-after: avoid;">Item 2</li>
</ol>
<p>More content (the page-break-after from the previous li tag is applied to this content)</p>
<p>End content (no page break style)</p>
';
$docx->embedHTML($html);

The same sample using a style tag:

$html = '
<style>
.avoidpb, ol > li {
    page-break-inside: avoid; page-break-after: avoid;
}
</style>
<p>A content (no page break style)</p>
<p class="avoidpb">Some text</p>
<ol>
    <li>Item 1</li>
    <li>Item 2</li>
</ol>
<p>More content (the page-break-after from the previous li tag is applied to this content)</p>
<p>Other content (no page break style)</p>
';
$docx->embedHTML($html);

A similar sample using paragraphs and a h2 tag:

$html = '
<style>
h2, .avoidpb {
    page-break-inside: avoid; page-break-after: avoid;
}
</style>
<p>A content (no page break style)</p>
<h2>Heading content</h2>
<p class="avoidpb">Content 1</p>
<p class="avoidpb">Content 2</p>
<p class="avoidpb">Content 3</p>
<p>More content (the page-break-after from the previous li tag is applied to this content)</p>
<p>Other content (no page break style)</p>
';
$docx->embedHTML($html);

All these samples are fully tested and working correctly.

Please note the following about using keep styles:

• If previous contents have keep styles and the page contents exceed the page size, MS Word ignores the keep style.
• By default, div tags only work as container tags unless you set the parseDivs option. On https://www.phpdocx.com/htmlapi-documentation/html-standard/insert-div-Word-document-with-HTML you can read more information about this.

For further support, please post or send to contact[at]phpdocx.com the simplest code that illustrates your issue and we'll check it.

Regards.