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<?php foreach(array('T_FINALLY', 'T_INSTEADOF', 'T_TRAIT', 'T_TRAIT_C', 'T_YIELD') as $c) { echo $c, ': '; if(defined($c)) var_dump(constant($c)); else var_dump(-1); }
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.1, 8.3.3, 8.3.5 - 8.3.6
T_FINALLY: int(316) T_INSTEADOF: int(319) T_TRAIT: int(334) T_TRAIT_C: int(347) T_YIELD: int(281)
Output for 8.3.0, 8.3.2, 8.3.4
T_FINALLY: int(353) T_INSTEADOF: int(355) T_TRAIT: int(370) T_TRAIT_C: int(383) T_YIELD: int(268)
Output for 8.0.30
T_FINALLY: int(316) T_INSTEADOF: int(319) T_TRAIT: int(333) T_TRAIT_C: int(345) T_YIELD: int(281)
Output for 8.0.0 - 8.0.29
T_FINALLY: int(351) T_INSTEADOF: int(353) T_TRAIT: int(367) T_TRAIT_C: int(379) T_YIELD: int(268)
Output for 7.4.0 - 7.4.33
T_FINALLY: int(348) T_INSTEADOF: int(351) T_TRAIT: int(365) T_TRAIT_C: int(377) T_YIELD: int(267)
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
T_FINALLY: int(351) T_INSTEADOF: int(354) T_TRAIT: int(362) T_TRAIT_C: int(374) T_YIELD: int(267)
Output for 5.6.0 - 5.6.40
T_FINALLY: int(342) T_INSTEADOF: int(345) T_TRAIT: int(359) T_TRAIT_C: int(369) T_YIELD: int(267)
Output for 5.5.0 - 5.5.38
T_FINALLY: int(340) T_INSTEADOF: int(343) T_TRAIT: int(357) T_TRAIT_C: int(367) T_YIELD: int(267)
Output for 5.4.0 - 5.4.45
T_FINALLY: int(-1) T_INSTEADOF: int(341) T_TRAIT: int(355) T_TRAIT_C: int(365) T_YIELD: int(-1)
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
T_FINALLY: int(-1) T_INSTEADOF: int(-1) T_TRAIT: int(-1) T_TRAIT_C: int(-1) T_YIELD: int(-1)

preferences:
294.84 ms | 403 KiB | 457 Q