PHP 7.1? ?? ??? ???? : ?? ? ?? ??? ?? ? ?? ??? ???? PHP 7.1 ??? ?? ? ?? ???? ?? ????? ?? ???? ??? ??? ?????. ? ??? ?? ??? ?? ?? ? ??? ????? ??? ??? PHP RFC? ??????.
1. ArgumentCounterror ?? : 
? ??? ???? ?? ????? ???? ??????.
2 PHP 7.1? ???? ?? ?? ? ?? ?? ?? ???? ?? ? ? ????. ?, ??? ?? ?? null ? ? ????.
ArgumentCountError
// PHP 7.1
function sum($a, $b) {
return $a + $b;
}
sum(); // 拋出 ArgumentCountError 異常
<<> 4 Pseudotype? ???? ??? ?????? ???? ?? ?? ??? ?? ? ? ????.
<<> 5
function sum(?int $a, ?int $b): ?int {
return $a + $b ?? null; // 使用 null 合并運(yùn)算符處理 null 值
} <<> 6
<<> ?? ?? ?? ??? ?? ???? ????.
<<<7
?
["a" => $a, "b" => $b] = ["a" => 1, "b" => 2]; var_dump($a, $b); // int(1) int(2)???? ?? ?? ??? ???? ? ??? ? ????.
<<> 9 PHP 7.1? ???? ?? ??? ?? ??? ?? ??? ???? ??? ???? ??????.
<<> 10
iterable
Traversable <<>
function dump(iterable $items) {
var_dump($items);
}
PHP 7.1? ??? ??? ??? ??? ???? ??? ?? ????? ??? ???? ??? ??????. ???? ??? ?? ??? ???? ?? PHP 7.1 ???? ??????? ?? ????. faq :
.
? ??? PHP 7.1?? ??? ?? ??? ?? ??????? ?? ?????. ??? ??? 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)
??? ??
8644
17
1787
16
1730
56
1582
29
1448
31
PHP?? ?? ? ??? ????? ?????????
Jun 20, 2025 am 01:03 AM
TOSECURELYHANDLEAUSTENCENDACTIONANDACTERIZINGINPHP, FORCUCTSESTEPS : 1. ALWAYSHASHPASSWORTHPASSWORD_HASH () ? VERVERIFYUSINGPANSWORD_VERIFY (), usePREPAREDSTATEMENTSTOPREVENTSQLINGERGED, andSTOREUSERSESSEATAIN $ _SESSIONSAFTERLOGIN.2.impleplempletrole ?? ACCESSC
?? PHP ?? ? ?? ??? ??? ?? ??? ??????
Jun 23, 2025 am 12:56 AM
tostaycurrentwithphpdevelopments ? bestpractices, followkeynewssources lifephp.netandphpweekly, adgytwithcommunitiesonforumsandconferences, readlingupdated andgrad indewfeatures, andreadorcontributetoopensourceproceprosts.first
PHP ? ???? ? ??? ? ??????
Jun 23, 2025 am 12:55 AM
phpbecamepupularforwebdevelopmentduetoiteofleneflening, whithhtml, wididepreadhostingsupport, andalargeecosystemincludingframeworkslikelaravelandcmsplatformsformslikewordpress.itexcelsinhandlingformsubmissions, managingussess, interptisussivers, ?? ???
PHP ???? ???? ???
Jun 25, 2025 am 01:00 AM
TOSETTHERIGHTTIMEZONEINPHP, usedate_default_timezone_set () functionattStartOfyourscriptwitHavalidInlifiersuchas'America/new_york'.1.edate_default_timezone_set () beforeanydate/timeFunctions.2
?? ?? (Windows, MacOS, Linux)? PHP? ????? ???????
Jun 20, 2025 am 01:02 AM
PHP ?? ??? ?? ???? ????. ??? ?? ?????. 1. Windows ???? XAMPP? ???? ???? ????? ???? ???? XAMPP? ?????? ???? PHP ?? ??? ????? ?? ??? PHP? ?? ? ? ????. 2. MACOS ???? ???? ?? PHP? ???? ?? ??? ???? Apache ??? ???? ?? ? ? ????. 3. Linux ??? (Ubuntu/Debian)? APT ??? ???? ???? ??? ?????? PHP ? Common Extensions? ???? ??? ??? ???? ??? ????? ??? ? ????.
PHP?? ??? ??? ???? ?? ??? ????? ??? ??????
Jun 22, 2025 am 01:00 AM
TovalidateUserInputInphp, useBuilt-invalidationFunctions likefilter_var () ? filter_input (), applyRegulArexPessionSforCustomFormatsSuchasUsUserPhonEnumbers, CheckDatatypesFornumericValuesLikeAgeArPrice, setLtrimtsAnspacetReopeTopeTopeTopePeTopePeTopePeTopeTopeTopeTlyout
session_destroy ()? ???? PHP? ??? ??? ??????
Jun 20, 2025 am 01:06 AM
PHP?? ??? ??? ????? ?? Session_Start ()? ???? ??? ??? ?? Session_Destroy ()? ???? ?? ?? ???? ???????. 1. ?? ?? _start ()? ???? ??? ?????? ??????. 2. ?? ?? ?? ???? ???? Session_Destroy ()? ?????. 3. ?? ????? ?? : ?? ??? ????? ???? $ _session ??; 4. ???, ???? ?? ??? ???? ???? ?? ??? ??????. 5. ????? ?? ? ???? ?????? ???? ???? ?? ??? ?? ????? ??? ??? ?? ???????. ????? ???? ?? ??? ??? ?? ???? ??? ?? ? ? ????.
php (serialize (), unserialize ())? ??? ??? ? ??????
Jun 22, 2025 am 01:03 AM
thephpfunctionserialize () andunserialize () areusedtoconvertcomplexDattoresintostorasandabackagain.1.serialize () c onvertsDatalikeCarraysorObjectSrayStringStringStrainingTainingTypeanDtuctureIncomation.2.
