-
- ?? ?? ??? ? :`Global`,`local` ?`static '? ??????
- thethreevariablescopesinphpareglobal, local, andstatic : 1. useglobaltoaccessvariblestfloftsideafunction, butpreppassingparameterstoimprovetestability; 2.localvariblesaredEdefaultinsideSideFunctions, ??? ?? ?? ?? ? PreventSideffects; 3.US
- PHP ???? . ??? ?? 340 2025-07-30 04:43:20
-
- ??? ?? ??? ?? ??? ?????
- AlwaysUseStricTequality (=== ?! ==) injavaScriptToaVoidUnexpectedBehaviorfromTypecoercion.1.looseequality (==) canLeadTocounterIntuitVeresultSbecAuseItPerformStypeConversion, Making0 == false, ""== ??, "== 1, undeLalltue.2
- PHP ???? . ??? ?? 649 2025-07-30 04:37:41
-
- ??? ??? ??????`mb_internal_encoding ()? ??
- mb_internalencoding ( 'utf-8') setsthedefaultencodingforallmbftions, multibytestringsare handledledledcorrectly.2.
- PHP ???? . ??? ?? 558 2025-07-30 04:36:21
-
- Refactoring ??`If` Hell : ??? ??? ????? ??
- useGuardClaUsestorEturnearlylylyly ? flattenstructure.2. ExtractComplexConditionScriptiveFunctionSorvariblesforClarityandReus.3
- PHP ???? . ??? ?? 632 2025-07-30 04:28:01
-
- ?? ??? : PHP ?? ?????? ?? ??? ??
- typecastinginphpcanimpactperperferferferformancessallyselynecessly, ?? expeenciveOperations likeObjectArrayConversions; 1. avoidEddantCasting, AsitAddScPuoverhead —E.G., castinganalkeinTegerValueinalOpinCreaseCutionB
- PHP ???? . ??? ?? 526 2025-07-30 04:26:50
-
- ?? ?? :`(int)`vs.`intval ()`?`settype ()`
- (int) isthefastestandnon-deastructive, tevelforsimpleconversionswitheoriginalvariable.2.intval ()? baseconversupportsandisslightlyslowsbutuseforparsingHexorbinaryStrings? ?????
- PHP ???? . ??? ?? 384 2025-07-30 03:48:01
-
- ??? ??? ?? ?? ? ?? ???? ?? ?? ???
- combinedAssignmentOperators like =,-=, = makecodecleanerbyrepetitionand and readiability.1. theyelateredUndantVariAbereassignment, asinx = 1insteadofx = x 1, retingerrorsandverbosit.2. theyenhanceclarity-bysigningin-updates, ???
- PHP ???? . ??? ?? 203 2025-07-30 03:26:10
-
- ?? ?? ??? ?? ?? ??? '??'??? ?????
- usingIf ... elseInSideLoopSenablesDynamicControlFlowBowingReal-timedecisionsedeacherationBasedOnConditions.2.ItSupportSconditionalProcessing, subleasdistinguishingeevenandddnumbersinalist, byexecutingdifferentcodepathferentValues.
- PHP ???? . ??? ?? 365 2025-07-30 02:57:20
-
- ??? ? ?? ??? : PHP? ????? ?? ??
- PHP? ?? ?? ??? ?? ???? ?? ?? ? ??? ?? ?? ??? 36% ??? ???? ?? ??? ?? ?? ?? ??? ???????. 1. ??? ?? ??? ???? ?? ??? ?? ?? ??? ?? ? ??? ? ??? ??? ??????. 2. ?? ??? ?? ? ?? ???? ???? ?? BCComp, BCMOD ? BCDIV ??? ???????. 3. ??? ??? ? ???? ???? ?? ??? ?? ??? ???? ?? Baseencoder ???? ??????. 4. ?? ??? ???? ?? ??? ??????. 5. Base_Convert? ???? ?? ?? ???? GMP? ?? ??? ???? ??? ????? ????? ???? ?? ??? ?? ?? ???? ??????.
- PHP ???? . ??? ?? 374 2025-07-30 02:33:01
-
- ?? ??? ??? ????? ??? ???
- EncapsulateComplexOrrepeatedConditionAllogicIntobooleAnfunctionStoimprovereadability, MASPORIBALY, andTestability.2
- PHP ???? . ??? ?? 413 2025-07-30 02:16:20
-
- ???? ?? ??? ?? : PHP Ternary ???? ??
- Ternary ???? ??? ?? ??? ??? ??? ???? ?? ?? ???? ?? ??? ???????. 2. 3 ? ??? ??? ?????. ??? ???? ????? ?? if-elseif-else ??? ???? ?????. 3. NULL ?? ??? (??)? ???? NULL ??? ???? ?? ?? ? ???? ???? ? ????. 4. ??? ?? ?? ?? ? ?, 3 ? ???? ? ?????? ?? ???? ?? ???? ???? ??? ??? ????. ?? ??? 3 ? ?????? ??? ??? ??? ? ???? ? ?? ??????? ????. ??? ??? ?? ?? ??? ???????.
- PHP ???? . ??? ?? 389 2025-07-30 02:08:01
-
- 'if-else'? ??? : PHP? ?? ?? ?? ??
- PHP? ?? ?? ??? ?? ?? ?? ?? endif ? endfor? ?? ?? ? ???? ???? ?? HTML? ???? ???? ? ????. 1. if-elseif-else? ???? ???? endif? ??? ?? ??? ? ?????. 2. Foreach? ??? ???? ????? ? ?? Endforeach? ??? ?? ???? ?????. 3. ?? ???? ?? ??, ??? ?? ?????. ? ????? ???? ??? ??? ????. ?? ?? ??, ??? ?? ? HTML ?? ??? ?????. ??? ??? ??? ?? Curly Braces? ??? PHP ??? ?? ????????. ??? PHP? HTML? ???? ?? ?? ?? ???? ????? ????? ?? ??? ?????.
- PHP ???? . ??? ?? 507 2025-07-30 02:03:00
-
- ??? ??? ? : '????'?? ???? ?? ?? ???
- ???? OfistOfIntypescriptIsatyPeGuardThatnarrowsbebsTypesBasedOnclassMembership, enablingsaferandexpressivePolymorphicCode.1.itchecksifanobjectisAnstanceOfaclassandinformsThemetonArrowthetypinconditionalBlocks
- PHP ???? . ??? ?? 533 2025-07-30 01:40:41
-
- PHP ??? ?? ? ??? ?? ???? ?????
- php8.1 enumsprovidetruetypesafetytetyoverclassconstants? inablingnativeTypehintsandcompile-timevalidation.1.classconstantslacktypeenforcement.
- PHP ???? . ??? ?? 632 2025-07-30 01:23:51
?? ?? ??

