Comparison with strtolower() etc. leads lower/upper-case-string #4857
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staabm
commented
Feb 3, 2026
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@VincentLanglet would love your feedback, as you implemented lowser/upper case handling IIRC |
VincentLanglet
suggested changes
Feb 3, 2026
| { | ||
| if (strtolower($s) === 'hallo') { | ||
| assertType('non-falsy-string', $s); | ||
| assertType('lowercase-string&non-falsy-string', $s); |
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This is wrong, it's not because strtolower($s) is a lowerstring than $s is a lowercase string.
It's only the case if $s === strtolower($something)
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you are right. I mixed up the operands 🫣
VincentLanglet
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Feb 3, 2026
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closes phpstan/phpstan#14047