PHP Developer''''s Dictionary- P94 pptx

PHP Developer’s Dictionary IT-SC book 465 string ora_columntype (int cursor, int column) Description The ora_columntype() function, which is available with PHP 3.0 and higher, returns the column type for the column in cursor . The possible return values are VARCHAR2, VARCHAR , CHAR , NUMBER , LONG , LONG RAW , ROWID , DATE , and CURSOR . ora_commit() Syntax int ora_commit (int conn) Description The ora_commit() function, which is available with PHP 3.0 and higher, commits the transaction associated with the conn connection. A transaction begins at the start of a connection, or since the last commit or rollback, or when autocommit is turned off. ora_commitoff() Syntax int ora_commitoff (int conn) Description The ora_commitoff() function, which is available with PHP 3.0 and higher, disables autocommit for connection indicated by the conn parameter. ora_commiton() Syntax int ora_commiton (int conn) Description PHP Developer’s Dictionary IT-SC book 466 The ora_commiton() function, which is available with PHP 3.0 and higher, enables autocommit for connection indicated by the conn parameter. ora_error() Syntax string ora_error (int cursor_or_connection) Description The ora_error() function, which is available with PHP 3.0 and higher, returns an error message that was generated on the connection or cursor . The format of the message is XXX - NNNN , where XXX represents the origin of the error and NNNN represents the error itself. For information on the error message, see Oracle's oerr ora command. ora_errorcode() Syntax int ora_errorcode (int cursor_or_connection) Description The ora_errorcode() function, which is available with PHP 3.0 and higher, returns the numeric error code generated for the last statement executed with the given cursor or connection . ora_exec() Syntax int ora_exec (int cursor) Description The ora_exec() function, which is available with PHP 3.0 and higher, executes a parsed statement against the specified cursor . ora_fetch() PHP Developer’s Dictionary IT-SC book 467 Syntax int ora_fetch (int cursor) Description The ora_fetch() function, which is available with PHP 3.0 and higher, fetches a row of data from the given cursor . The return value is TRUE on success and FALSE otherwise. ora_getcolumn() Syntax mixed ora_getcolumn (int cursor, mixed column) Description The ora_getcolumn() function, which is available with PHP 3.0 and higher, returns the data at the column position in the specified cursor . The return value will be FALSE if an error occurred or if other non-error conditions occurred, such as no data (NULL) or an empty string is found. ora_logoff() Syntax int ora_logoff (int connection) Description The ora_logoff() function, which is available with PHP 3.0 and higher, closes the connection referenced by the connection parameter. The return value is TRUE on success and FALSE otherwise. The function will also effectively log out the user if that is the user's only connection. ora_logon() Syntax PHP Developer’s Dictionary IT-SC book 468 int ora_logon (string user, string password) Description The ora_logon() function, which is available with PHP 3.0 and higher, creates a connection to an Oracle database with the given username and password . To include the TNS name, append @<TNSNAME> to the user name. The return value is a connection index or FALSE on failure. If using non-ASCII characters, be sure to set NLS_LANG in your environment. ora_open() Syntax int ora_open (int connection) Description The ora_open() function, which is available with PHP 3.0 and higher, opens a cursor for the specified connection . The return value is a cursor index or FALSE on failure. ora_parse() Syntax int ora_parse (int cursor_ind, string sql_statement, int defer) Description The ora_parse() function, which is available with PHP 3.0 and higher, parses the SQL statement or PL/SQL block referenced by the sql_statement parameter, and associates it with the cursor specified by the cursor_ind parameter. The return value is TRUE on success and FALSE otherwise. ora_rollback() Syntax int ora_rollback (int connection) PHP Developer’s Dictionary IT-SC book 469 Description The ora_rollback() function, which is available with PHP 3.0 and higher, rolls back the transaction associated with the connection . The return value is TRUE on success and FALSE otherwise. Oracle 8 The following functions enable you to access an Oracle 7 or 8 database by using the Oracle 8 interface library. These functions offer additional functionality not found in the standard Oracle extensions, including the binding of local and global variables to Oracle placeholders, along with full support for LOB, FILE, and ROWIDs. ocidefinebyname() Syntax int ocidefinebyname (int stmt, string column-name, mixed &variable, [, int type]) Description The ocidefinebyname() function, which was added in PHP 3.0.7 and PHP 4.0, fetches columns into the user-defined variables. Note that the column-name parameter should be in uppercase, and that if you define a variable that doesn't exist in your statement, no error will be given. ocibindbyname() Syntax int ocibindbyname (int stmt, string ph_name, mixed &variable, int length, [,int type]) Description The ocibindbyname() function, which was added in PHP 3.0.7 and PHP 4.0, binds the PHP variable indicated by the &variable parameter to the placeholder ph_name for the given SQL stmt . The length parameter is used to indicate the maximum length for the bind, whereas a –1 value causes the length to be set to &variable's max length. The optional type parameter sets the descriptor to use and can take the values OCI_B_FILE (binary file), OCI_B_CFILE (character file), OCI_B_CLOB (character LOB), OCI_B_BLOB (binary LOB), and OCI_B_ROWID (ROWID). Whether the variable is input or output is determined at runtime. . [,int type]) Description The ocibindbyname() function, which was added in PHP 3.0.7 and PHP 4.0, binds the PHP variable indicated by the &variable parameter to the placeholder ph_name. available with PHP 3.0 and higher, disables autocommit for connection indicated by the conn parameter. ora_commiton() Syntax int ora_commiton (int conn) Description PHP Developer’s. The ora_exec() function, which is available with PHP 3.0 and higher, executes a parsed statement against the specified cursor . ora_fetch() PHP Developer’s Dictionary IT-SC book 467 Syntax