Detailed explanation of examples of Magic constants in PHP
This article introduces the magic constants in phpProgramming, master them and Flexible application of these methods and constants will be of great help in improving PHP programming level. Friends in need can refer to it.
Magic constant:
namespace ns1; class Test { function construct() { var_dump(LINE); var_dump(FILE); var_dump(DIR); var_dump(FUNCTION); var_dump(CLASS); var_dump(METHOD); var_dump(NAMESPACE); } } new Test();
Run result
int 5 string 'E:\wamp\www\a.php' (length=17) string 'E:\wamp\www' (length=11) string 'construct' (length=11) string 'ns1\Test' (length=8) string 'ns1\Test::construct' (length=21) string 'ns1' (length=3)
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