PHP Echo vs. Short Echo Tags: Equivalency and Considerations
Contrary to the claim that the short echo tag, = $function_here ?>, compromises safety, it's actually equivalent to the full
Safety Implications: Output Encoding
When using echo or short echo tags, it's crucial to ensure the safety of the output in different contexts. This involves encoding the data appropriately for each medium:
Short Open Tags
The only genuine short open tag is . Unlike the short echo tag, it can be disabled via the short_open_tag directive. For portability reasons, it's advisable to avoid using in widely distributed applications, as it may cause issues if the directive is not enabled.
Recommended Usage
Despite the equivalency of echo and short echo tags, it's recommended to use
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