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"Cannot access property $prop on mixed." after property_exists() false positive

bug

Status: Open.

#14667 In phpstan/phpstan;

· staabm opened on May 21, 2026

·  

Easy fixes

False Positive: Order of named parameters in Union

bug

Status: Open.

#14661 In phpstan/phpstan;

· b-viguier opened on May 20, 2026

·  

Easy fixes

auto-fix @param-immediately-invoked-callable

Pro

Status: Open.

#14657 In phpstan/phpstan;

· staabm opened on May 20, 2026

Wrong array_flip inference

bug

Status: Open.

#14656 In phpstan/phpstan;

· VincentLanglet opened on May 20, 2026

·  

Easy fixes

dynamicConstantNames with is ignored for constants declared with const

Status: Open.

#14655 In phpstan/phpstan;

· uri2x opened on May 19, 2026

Int bounds are lost after XOR

feature-request

Status: Open.

#14654 In phpstan/phpstan;

· Philosoft opened on May 19, 2026

str_contains($s, $needle) does not narrow explode($needle, $s, 2) to a 2-element list inside a while loop

Status: Open.

#14651 In phpstan/phpstan;

· paulbalandan opened on May 19, 2026

Regression on combination of array_map and array_flip

bug

Status: Open.

#14649 In phpstan/phpstan;

· VincentLanglet opened on May 19, 2026

·  

Easy fixes

PHPStan misses use-statements, when those are not at the start of a file

bug

Status: Open.

#14648 In phpstan/phpstan;

· staabm opened on May 19, 2026

·  

Easy fixes

Types static(Foo) and Foo considered distinct for final classes

bug

Status: Open.

#14647 In phpstan/phpstan;

· jnoordsij opened on May 19, 2026

·  

Easy fixes

Introduce ClosureType::isStaticClosure

feature-request

Status: Open.

#14639 In phpstan/phpstan;

· VincentLanglet opened on May 18, 2026

The playground should allow disabling playground-specific warnings

Status: Open.

#14637 In phpstan/phpstan;

· stof opened on May 18, 2026