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<?php namespace { define('true', false); var_dump(true === false); } // Но вот в неймспейсе - пожалуйста namespace Knp { define('Knp\\true', false); var_dump(true === false); // true }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Constant true already defined in /in/PPPRY on line 4 bool(false) bool(false)
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
Notice: Constant true already defined in /in/PPPRY on line 4 bool(false) bool(false)
Output for 7.3.32 - 7.3.33
bool(false) bool(false)
Output for 5.4.2 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
Notice: Constant true already defined in /in/PPPRY on line 4 bool(false) bool(true)
preferences:
171.8 ms | 402 KiB | 227 Q