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PHP: difference between true and TRUE
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| $ php -a | |
| php > define('true', false); | |
| PHP Notice: Constant true already defined in php shell code on line 1 | |
| php > define('TRUE', false); | |
| php > echo true; | |
| 1 | |
| php > echo TRUE; | |
| php > | |
| $ php -r 'define("TRUE", "asd");echo TRUE;' | |
| 1 |
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