PHP: Hyperttext Preprocessore

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PHP:HypertextPreprocessorvar_paq=window._paq=window._paq||[];/*trackermethodslike"setCustomDimension"shouldbecalledbefore"trackPeView"*/_paq.push(["setDoNotTrack",true]);_paq.push(["disableCookies"]);_paq.push(['trackPeView']);_paq.push(['enableLinkTracking']);(function(){PHP: Hyperttext Preprocessorevaru="analytics.php.net/";_paq.push(['setTrackerUrl',u+'matomo.php']);_paq.push(['setSiteId','1']);vard=document,g=d.createElement('script'),s=d.getElementsByTName('script')[0];g.async=true;g.src=u+'matomo.js';s.parentNode.insertBefore(g,s);})();DownloadsDocumentationGetInvolvedHelpSearchdocsGettingStarted Introduction AsimpletutorialLangueReference Basicsyntax Types Variables Constants Expressions Operators ControlStructures Functions ClassesandObjects Namespaces Enumerations Errors Exceptions Fibers Generators Attributes ReferencesExplained PredefinedVariables PredefinedExceptions PredefinedInterfacesandClasses PredefinedAttributes Contextoptionsandparameters SupportedProtocolsandWrappersSecurity Introduction Generalconsiderations InstalledasCGIbinary InstalledasanApachemodule SessionSecurity FilesystemSecurity DatabaseSecurity ErrorReporting UserSubmittedData HidingPHP KeepingCurrentFeatures HTTPauthenticationwithPHP Cookies Sessions Handlingfileuploads Usingremotefiles Connectionhandling PersistentDatabaseConnections Commandlineuse GarbeCollection DTraceDynamicTracingFunctionReference AffectingPHP'sBehiour AudioFormatsManipulation AuthenticationServices CommandLineSpecificExtensions CompressionandArchiveExtensions CryptographyExtensions DatabaseExtensions DateandTimeRelatedExtensions FileSystemRelatedPHP: Hyperttext PreprocessoreExtensions HumanLangueandCharacterEncodingSupport ImeProcessingandGeneration MailRelatedExtensions MathematicalExtensions Non-TextMIMEOutput ProcessControlExtensions OtherBasicExtensions OtherServices SearchEngineExtensions ServerSpecificExtensions SessionExtensions TextProcessing VariableandTypeRelatedExtensions WebServices WindowsOnlyExtensions XMLManipulation GUIExtensionsKeyboardShortcuts?ThishelpjNextmenuitemkPreviousmenuitemgpPreviousmanpegnNextmanpeGScrolltobottomggScrolltotopghGotohomepegsGotosearch(currentpe)/FocussearchboxApopulargeneral-purposescriptinglanguethatisespeciallysuitedtowebdevelopment.Fast,flexibleandprmatic,PHPpowerseverythingfromyourblogtothemostpopularwebsitesintheworld.What'snewin8.4Download8.4.2·Changelog·Upgrading8.3.15·Changelog·Upgrading8.2.27·Changelog·Upgrading8.1.31·Changelog·Upgrading19Dec2024PHP8.4.2Released!ThePHPdevelopmentteamannouncestheimmediateailabilityofPHP8.4.2.Thisisabugfixrelease.AllPHP8.4usersareencouredtoupgradetothisversion.ForsourcedownloadsofPHP8.4.2pleasevisitourdownloadspe,Windowssourceandbinariescanbefoundonwindows.php.net/download/.ThelistofchangesisrecordedintheChangeLog.19Dec2024PHP8.3.15Released!ThePHPdevelopmentteamannouncestheimmediateailabilityofPHP8.3.15.Thisisabugfixrelease.AllPHP8.3usersareencouredtoupgradetothisversion.ForsourcedownloadsofPHP8.3.15pleasevisitourdownloadspe,Windowssourceandbinariescanbefoundonwindows.php.net/download/.ThelistofchangesisrecordedintheChangeLog.19Dec2024PHP8.2.27Released!ThePHPdevelopmentteamannouncestheimmediateailabilityofPHP8.2.27.Thisisabugfixrelease.AllPHP8.2usersareencouredtoupgradetothisversion.ForsourcedownloadsofPHP8.2.27pleasevisitourdownloadspe,Windowssourceandbinariescanbefoundonwindows.php.net/download/.ThelistofchangesisrecordedintheChangeLog.Pleasenote,thisisthelastbug-fixreleaseforthe8.2.xseries.Securityfixsupportwillcontinueuntil31Dec2026.Formoreinformation,pleasecheckourSupportedVersionspe.21Nov2024PHP8.4.1Released!ThePHPdevelopmentteamannouncestheimmediateailabilityofPHP8.4.1.ThisreleasemarksthelatestminorreleaseofthePHPlangue.PHP8.4comeswithnumerousimprovementsandnewfeaturessuchas:PropertyHooksAsymmetricPropertyVisibilityLazyObjectsPDOdriver-specificsubclassesBCMathobjecttypeAndmuchmuchmore...ForsourcedownloadsofPHP8.4.1pleasevisitourdownloadspe,Windowssourceandbinariescanbefoundonwindows.php.net/download/.ThelistofchangesisrecordedintheChangeLog.ThemigrationguideisailableinthePHPManual.Pleaseconsultitforthedetailedlistofnewfeaturesandbackwardincompatiblechanges.Kudostoallthecontributorsandsupporters!21Nov2024PHP8.1.31Released!ThePHPdevelopmentteamannouncestheimmediateailabilityofPHP8.1.31.Thisisasecurityrelease.AllPHP8.1usersareencouredtoupgradetothisversion.ForsourcedownloadsofPHP8.1.31pleasevisitourdownloadspe,Windowssourceandbinariescanbefoundonwindows.php.net/download/.ThelistofchangesisrecordedintheChangeLog.21Nov2024PHP8.3.14Released!ThePHPdevelopmentteamannouncestheimmediateailabilityofPHP8.3.14.Thisisasecurityrelease.AllPHP8.3usersareencouredtoupgradetothisversion.ForsourcedownloadsofPHP8.3.14pleasevisitourdownloadspe,Windowssourceandbinariescanbefoundonwindows.php.net/download/.ThelistofchangesisrecordedintheChangeLog.21Nov2024PHP8.2.26Released!ThePHPdevelopmentteamannouncestheimmediateailabilityofPHP8.2.26.Thisisasecurityrelease.AllPHP8.2usersareencouredtoupgradetothisversion.ForsourcedownloadsofPHP8.2.26pleasevisitourdownloadspe,Windowssourceandbinariescanbefoundonwindows.php.net/download/.ThelistofchangesisrecordedintheChangeLog.07Nov2024PHP8.4.0RC4ailablefortestingThePHPteamispleasedtoannouncethereleaseofPHP8.4.0,RC4.Thisisthefourthreleasecandidate,continuingthePHP8.4releasecycle,theroughoutlineofwhichisspecifiedinthePHPWiki.ForsourcedownloadsofPHP8.4.0,RC4pleasevisitthedownloadpe.Pleasecarefullytestthisversionandreportanyissuesfoundinthebugreportingsystem.PleaseDONOTusethisversioninproduction,itisanearlytestversion.Formoreinformationonthenewfeaturesandotherchanges,youcanreadtheNEWSfileortheUPGRADINGfileforacompletelistofupgradingnotes.Thesefilescanalsobefoundinthereleasearchive.Thenextreleasewillbetheproduction-ready,generalailabilityrelease,plannedfor21November2024.ThesignaturesforthereleasecanbefoundinthemanifestorontheQAsite.ThankyouforhelpingusmakePHPbetter.24Oct2024PHP8.4.0RC3ailablefortestingThePHPteamispleasedtoannouncethereleaseofPHP8.4.0,RC3.Thisisthethirdreleasecandidate,continuingthePHP8.4releasecycle,theroughoutlineofwhichisspecifiedinthePHPWiki.ForsourcedownloadsofPHP8.4.0,RC3pleasevisitthedownloadpe.Pleasecarefullytestthisversionandreportanyissuesfoundinthebugreportingsystem.PleaseDONOTusethisversioninproduction,itisanearlytestversion.Formoreinformationonthenewfeaturesandotherchanges,youcanreadtheNEWSfileortheUPGRADINGfileforacompletelistofupgradingnotes.Thesefilescanalsobefoundinthereleasearchive.ThenextreleasewillbeRC4,plannedfor07November2024.ThesignaturesforthereleasecanbefoundinthemanifestorontheQAsite.ThankyouforhelpingusmakePHPbetter.24Oct2024PHP8.2.25Released!ThePHPdevelopmentteamannouncestheimmediateailabilityofPHP8.2.25.Thisisabugfixrelease.AllPHP8.2usersareencouredtoupgradetothisversion.ForsourcedownloadsofPHP8.2.25pleasevisitourdownloadspe,Windowssourceandbinariescanbefoundonwindows.php.net/download/.ThelistofchangesisrecordedintheChangeLog.24Oct2024PHP8.3.13Released!ThePHPdevelopmentteamannouncestheimmediateailabilityofPHP8.3.13.Thisisabugfixrelease.AllPHP8.3usersareencouredtoupgradetothisversion.ForsourcedownloadsofPHP8.3.13pleasevisitourdownloadspe,Windowssourceandbinariescanbefoundonwindows.php.net/download/.ThelistofchangesisrecordedintheChangeLog.10Oct2024PHP8.4.0RC2ailablefortestingThePHPteamispleasedtoannouncethereleaseofPHP8.4.0,RC2.Thisisthesecondreleasecandidate,continuingthePHP8.4releasecycle,theroughoutlineofwhichisspecifiedinthePHPWiki.ForsourcedownloadsofPHP8.4.0,RC2pleasevisitthedownloadpe.Pleasecarefullytestthisversionandreportanyissuesfoundinthebugreportingsystem.PleaseDONOTusethisversioninproduction,itisanearlytestversion.Formoreinformationonthenewfeaturesandotherchanges,youcanreadtheNEWSfileortheUPGRADINGfileforacompletelistofupgradingnotes.Thesefilescanalsobefoundinthereleasearchive.ThenextreleasewillbeRC3,plannedfor24October2024.ThesignaturesforthereleasecanbefoundinthemanifestorontheQAsite.ThankyouforhelpingusmakePHPbetter.26Sep2024PHP8.1.30Released!ThePHPdevelopmentteamannouncestheimmediateailabilityofPHP8.1.30.Thisisasecurityrelease.AllPHP8.1usersareencouredtoupgradetothisversion.ForsourcedownloadsofPHP8.1.30pleasevisitourdownloadspe,Windowssourceandbinariescanbefoundonwindows.php.net/download/.ThelistofchangesisrecordedintheChangeLog.26Sep2024PHP8.4.0RC1nowailablefortestingThePHPteamispleasedtoannouncethereleaseofPHP8.4.0,RC1.Thisisthefirstreleasecandidate,continuingthePHP8.4releasecycle,theroughoutlineofwhichisspecifiedinthePHPWiki.ForsourcedownloadsofPHP8.4.0,RC1pleasevisitthedownloadpe.Pleasecarefullytestthisversionandreportanyissuesfoundinthebugreportingsystem.PleaseDONOTusethisversioninproduction,itisanearlytestversion.Formoreinformationonthenewfeaturesandotherchanges,youcanreadtheNEWSfileortheUPGRADINGfileforacompletelistofupgradingnotes.Thesefilescanalsobefoundinthereleasearchive.ThenextreleasewillbeRC2,plannedfor10October2024.ThesignaturesforthereleasecanbefoundinthemanifestorontheQAsite.ThankyouforhelpingusmakePHPbetter.26Sep2024PHP8.2.24Released!ThePHPdevelopmentteamannouncestheimmediateailabilityofPHP8.2.24.Thisisasecurityrelease.AllPHP8.2usersareencouredtoupgradetothisversion.ForsourcedownloadsofPHP8.2.24pleasevisitourdownloadspe,Windowssourceandbinariescanbefoundonwindows.php.net/download/.ThelistofchangesisrecordedintheChangeLog.26Sep2024PHP8.3.12Released!ThePHPdevelopmentteamannouncestheimmediateailabilityofPHP8.3.12.Thisisasecurityrelease.AllPHP8.3usersareencouredtoupgradetothisversion.ForsourcedownloadsofPHP8.3.12pleasevisitourdownloadspe,Windowssourceandbinariescanbefoundonwindows.php.net/download/.ThelistofchangesisrecordedintheChangeLog.12Sep2024PHP8.4.0Beta5ailablefortestingThePHPteamispleasedtoannouncethereleaseofPHP8.4.0,Beta5.Thisisthethirdbetarelease,continuingthePHP8.4releasecycle,theroughoutlineofwhichisspecifiedinthePHPWiki.ForsPHP: Hyperttext PreprocessoreourcedownloadsofPHP8.4.0,Beta5pleasevisitthedownloadpe.Pleasecarefullytestthisversionandreportanyissuesfoundinthebugreportingsystem.PleaseDONOTusethisversioninproduction,itisanearlytestversion.Formoreinformationonthenewfeaturesandotherchanges,youcanreadtheNEWSfileortheUPGRADINGfileforacompletelistofupgradingnotes.Thesefilescanalsobefoundinthereleasearchive.ThenextreleasewillbeRC1,plannedfor26September2024.ThesignaturesforthereleasecanbefoundinthemanifestorontheQAsite.ThankyouforhelpingusmakePHPbetter.29Aug2024PHP8.3.11Released!ThePHPdevelopmentteamannouncestheimmediateailabilityofPHP8.3.11.Thisisabugfixrelease.AllPHP8.3usersareencouredtoupgradetothisversion.ForsourcedownloadsofPHP8.3.11pleasevisitourdownloadspe,Windowssourceandbinariescanbefoundonwindows.php.net/download/.ThelistofchangesisrecordedintheChangeLog.29Aug2024PHP8.4.0Beta4nowailablefortestingThePHPteamispleasedtoannouncethereleaseofPHP8.4.0,Beta4.Thisisthesecondbetarelease,continuingthePHP8.4releasecycle,theroughoutlineofwhichisspecifiedinthePHPWiki.ForsourcedownloadsofPHP8.4.0,Beta4pleasevisitthedownloadpe.Pleasecarefullytestthisversionandreportanyissuesfoundinthebugreportingsystem.PleaseDONOTusethisversioninproduction,itisanearlytestversion.Formoreinformationonthenewfeaturesandotherchanges,youcanreadtheNEWSfileortheUPGRADINGfileforacompletelistofupgradingnotes.Thesefilescanalsobefoundinthereleasearchive.ThenextreleasewillbeBeta5,plannedfor12September2024.ThesignaturesforthereleasecanbefoundinthemanifestorontheQAsite.ThankyouforhelpingusmakePHPbetter.29Aug2024PHP8.2.23Released!ThePHPdevelopmentteamannouncestheimmediateailabilityofPHP8.2.23.Thisisabugfixrelease.AllPHP8.2usersareencouredtoupgradetothisversion.ForsourcedownloadsofPHP8.2.23pleasevisitourdownloadspe,Windowssourceandbinariescanbefoundonwindows.php.net/download/.ThelistofchangesisrecordedintheChangeLog.15Aug2024PHP8.4.0Beta3nowailablefortestingThePHPteamispleasedtoannouncethereleaseofPHP8.4.0,Beta3.Thisisthefirstbetarelease,continuingthePHP8.4releasecycle,theroughoutlineofwhichisspecifiedinthePHPWiki.ForsourcedownloadsofPHP8.4.0,Beta3pleasevisitthedownloadpe.Pleasecarefullytestthisversionandreportanyissuesfoundinthebugreportingsystem.PleaseDONOTusethisversioninproduction,itisanearlytestversion.Formoreinformationonthenewfeaturesandotherchanges,youcanreadtheNEWSfileortheUPGRADINGfileforacompletelistofupgradingnotes.Thesefilescanalsobefoundinthereleasearchive.ThenextreleasewillbeBeta4,plannedfor29August2024.ThesignaturesforthereleasecanbefoundinthemanifestorontheQAsite.ThankyouforhelpingusmakePHPbetter.01Aug2024PHP8.4.0Alpha4ailablefortestingThePHPteamispleasedtoannouncethesecondtestingreleaseofPHP8.4.0,Alpha4.ThiscontinuesthePHP8.4releasecycle,theroughoutlineofwhichisspecifiedinthePHPWiki.ForsourcedownloadsofPHP8.4.0Alpha4pleasevisitthedownloadpe.Pleasecarefullytestthisversionandreportanyissuesfoundinthebugreportingsystem.PleaseDONOTusethisversioninproduction,itisanearlytestversion.Formoreinformationonthenewfeaturesandotherchanges,youcanreadtheNEWSfile,ortheUPGRADINGfileforacompletelistofupgradingnotes.Thesefilescanalsobefoundinthereleasearchive.ThenextreleasewillbeBeta1,plannedfor15Aug2024.ThesignaturesforthereleasecanbefoundinthemanifestorontheQAsite.ThankyouforhelpingusmakePHPbetter.01Aug2024PHP8.2.22Released!ThePHPdevelopmentteamannouncestheimmediateailabilityofPHP8.2.22.Thisisabugfixrelease.AllPHP8.2usersareencouredtoupgradetothisversion.ForsourcedownloadsofPHP8.2.22pleasevisitourdownloadspe,Windowssourceandbinariescanbefoundonwindows.php.net/download/.ThelistofchangesisrecordedintheChangeLog.01Aug2024PHP8.3.10Released!ThePHPdevelopmentteamannouncestheimmediateailabilityofPHP8.3.10.Thisisabugfixrelease.AllPHP8.3usersareencouredtoupgradetothisversion.ForsourcedownloadsofPHP8.3.10pleasevisitourdownloadspe,Windowssourceandbinariescanbefoundonwindows.php.net/download/.ThelistofchangesisrecordedintheChangeLog.18Jul2024PHP8.4.0Alpha2ailablefortestingThePHPteamispleasedtoannouncethesecondtestingreleaseofPHP8.4.0,Alpha2.ThiscontinuesthePHP8.4releasecycle,theroughoutlineofwhichisspecifiedinthePHPWiki.ForsourcedownloadsofPHP8.4.0Alpha2pleasevisitthedownloadpe.Pleasecarefullytestthisversionandreportanyissuesfoundinthebugreportingsystem.PleaseDONOTusethisversioninproduction,itisanearlytestversion.Formoreinformationonthenewfeaturesandotherchanges,youcanreadtheNEWSfile,ortheUPGRADINGfileforacompletelistofupgradingnotes.Thesefilescanalsobefoundinthereleasearchive.ThenextreleasewillbeAlpha3,plannedfor1Aug2024.ThesignaturesforthereleasecanbefoundinthemanifestorontheQAsite.ThankyouforhelpingusmakePHPbetter.OlderNewsEntriesThePHPFoundationThePHPFoundationisacollectiveofpeopleandorganizations,unitedinthemissiontoensurethelong-termprosperityofthePHPlangue.DonateUpcomingconferencesInternationalPHPConferenceBerlin2025ConFoo2025PHPConferenceNoya2025Conferencescallingforpapersphpday2025UserGroupEventsSpecialThanksSocialmedia@official_php@php@fosstodon.org©2001-2024ThePHPGroupMyPHP.netContactOt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