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PHP - Manual: 预定义常量 - 互联网笔记

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PHP官方手册 - 互联网笔记

PHP - Manual: 预定义常量

2025-06-09

预定义常量

下列常量由此扩展定义,且仅在此扩展编译入 PHP 或在运行时动态载入时可用。

DBX_MYSQL (integer)
DBX_ODBC (integer)
DBX_PGSQL (integer)
DBX_MSSQL (integer)
DBX_FBSQL (integer)
DBX_OCI8 (integer)
DBX_SYBASECT (integer)
DBX_SQLITE (integer)
DBX_PERSISTENT (integer)
DBX_RESULT_INFO (integer)
DBX_RESULT_INDEX (integer)
DBX_RESULT_ASSOC (integer)
DBX_RESULT_UNBUFFERED (integer)
DBX_COLNAMES_UNCHANGED (integer)
DBX_COLNAMES_UPPERCASE (integer)
DBX_COLNAMES_LOWERCASE (integer)
DBX_CMP_NATIVE (integer)
DBX_CMP_TEXT (integer)
DBX_CMP_NUMBER (integer)
DBX_CMP_ASC (integer)
DBX_CMP_DESC (integer)
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官方地址:https://www.php.net/manual/en/constants.dbx.php

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