Functions JScms
Function: JScms_escapePreCodeBlocks
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Function: JScms_escapePreCodeBlocks
The JScms_escapePreCodeBlocks function is used to escape the content within "pre" and "code" blocks, ensuring that code is rendered correctly as text and not interpreted as HTML.
This is especially useful for displaying code snippets securely.
Syntax
JScms_escapePreCodeBlocks($html)
Parameters
$html: (string) The input HTML containing "pre" and "code" blocks to process.
Returns
(string) The modified HTML where content inside "pre" and "code" blocks is escaped.
Example Usage
<?php
$escapedHtml = JScms_escapePreCodeBlocks($html);
?>
Best Practices
- Use this function whenever displaying user-generated code snippets to ensure safe rendering.
- Combine this function with other sanitization methods to clean the overall HTML content.
- Test the function with various programming languages and special characters to ensure compatibility.
Common Issues
- Incorrect Escaping: Ensure that the input HTML contains valid "pre" and "code" blocks. Improperly formatted blocks may not be processed correctly.
- Performance: For very large HTML content, consider optimizing the input before applying this function to reduce processing time.
- Nested Blocks: The function does not handle nested "pre" and "code" blocks and may produce unexpected results in such cases.