Example #2 empty() on String Offsets
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Description
The Example #2 empty() on String Offsets has an issue.
The line with the code var_dump(empty($expected_array_got_string['some_key']));
Is not the better way to exemplify.
$expected_array_got_string is not actually an array, but a string or another type that when accessed like an array ($expected_array_got_string['some_key']), results in NULL, which is considered empty.
The empty function is explained in this documentation only with references like if a "variable is considered empty if it does not exist or if its value equals false"
Please, complete the documentation with the reference for NULL values.
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Research direction
Start with the PHP empty() documentation and inspect Example #2, especially the var_dump(empty($expected_array_got_string['some_key'])) line. Clarify why the expression evaluates as empty when array-style access produces NULL, and document NULL among the values considered empty.
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Assessment
- Tech stack
- php
- Domain
- documentation
- Issue type
- Documentation
- Difficulty
- 2/5
- Estimated time
- 1-3 hours
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100