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<?php class t { const A = 1; function __construct() { $r = new ReflectionClass($this); var_dump($r->hasConstant('A')); var_dump($r->hasConstant('c')); var_dump($r->hasConstant('A'), self::A); } } class s extends t { const A = 2; function __construct() { $r = new ReflectionClass($this); var_dump($r->hasConstant('A'), self::A); } } $t = new t; $s = new s;

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37.85 ms | 402 KiB | 5 Q