??? ??? ???? ???
PHP??? ?? ??? ???? ??? ??? ???? ????? ?? ??? ? ????. ??? ?? ???? ? ?? ???? ??? ????.
?? ?? ??
constant() ??? ?? ??? ???? ??? ??? ?? ?? ?????.
self::
{
const MY_CONST = 'myval';
static function test()
{
$c = 'MY_CONST';
return constant('self::'. $c);
}
}
echo A::test(); // ??: myval
? ??? Constant() ??? ??? "self::MY_CONST"? ???? MY_CONST ?? ?? ?????.
Reflection ??
Reflection? ???? ???, ??? ? ??? ?? ??? ???? ???? ? ????.
<br>$ref = new ReflectionClass( 'A');<br>$constName = 'MY_CONST';<br>echo $ref->getConstant($constName); // ??: myval<br>
??? A ???? ?? ReflectionClass ??? ?????. ?? ?? getConstant() ???? MY_CONST ?? ?? ?????.
? ??? PHP?? ??? ??? ??? ???? ???? ? ????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!
? AI ??
Undress AI Tool
??? ???? ??
Undresser.AI Undress
???? ?? ??? ??? ?? AI ?? ?
AI Clothes Remover
???? ?? ???? ??? AI ?????.
Clothoff.io
AI ? ???
Video Face Swap
??? ??? AI ?? ?? ??? ???? ?? ???? ??? ?? ????!
?? ??
??? ??
???++7.3.1
???? ?? ?? ?? ???
SublimeText3 ??? ??
??? ??, ???? ?? ????.
???? 13.0.1 ???
??? PHP ?? ?? ??
???? CS6
??? ? ?? ??
SublimeText3 Mac ??
? ??? ?? ?? ?????(SublimeText3)
??? ??
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PHP?? ?? ? ??? ????? ?????????
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PHP?? == (??? ??)? === (??? ??)? ???? ??????
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php (, -, *, /, %)?? ?? ??? ??? ??????
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?? PHP ?? ? ?? ??? ??? ?? ??? ??????
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tostaycurrentwithphpdevelopments ? bestpractices, followkeynewssources lifephp.netandphpweekly, adgytwithcommunitiesonforumsandconferences, readlingupdated andgrad indewfeatures, andreadorcontributetoopensourceproceprosts.first
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PHP ???? ???? ???
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TOSETTHERIGHTTIMEZONEINPHP, usedate_default_timezone_set () functionattStartOfyourscriptwitHavalidInlifiersuchas'America/new_york'.1.edate_default_timezone_set () beforeanydate/timeFunctions.2
