Sybase Functions
PHP Manual
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CLIII. Sybase Functions

Introduction

Requirements

Installation

To enable Sybase-DB support configure PHP --with-sybase[=DIR]. DIR is the Sybase home directory, defaults to /home/sybase. To enable Sybase-CT support configure PHP --with-sybase-ct[=DIR]. DIR is the Sybase home directory, defaults to /home/sybase.

Runtime Configuration

The behaviour of these functions is affected by settings in php.ini.

Table 1. Sybase configuration options

NameDefaultChangeableChangelog
sybase.allow_persistent"1"PHP_INI_ALLPHP_INI_ALL in PHP <= 4.0.2. PHP_INI_SYSTEM in PHP <= 4.0.3.
sybase.max_persistent"-1"PHP_INI_ALLPHP_INI_ALL in PHP <= 4.0.2. PHP_INI_SYSTEM in PHP <= 4.0.3.
sybase.max_links"-1"PHP_INI_ALLPHP_INI_ALL in PHP <= 4.0.2. PHP_INI_SYSTEM in PHP <= 4.0.3.
sybase.interface_file "/usr/sybase/interfaces"PHP_INI_SYSTEM 
sybase.min_error_severity"10"PHP_INI_ALL 
sybase.min_message_severity"10"PHP_INI_ALL 
sybase.compatability_mode"0"PHP_INI_ALL 
magic_quotes_sybase"0"PHP_INI_ALL 

Here's a short explanation of the configuration directives.

sybase.allow_persistent boolean

Whether to allow persistent Sybase connections.

sybase.max_persistent integer

The maximum number of persistent Sybase connections per process. -1 means no limit.

sybase.max_links integer

The maximum number of Sybase connections per process, including persistent connections. -1 means no limit.

sybase.min_error_severity integer

Minimum error severity to display.

sybase.min_message_severity integer

Minimum message severity to display.

sybase.compatability_mode boolean

Compatibility mode with old versions of PHP 3.0. If on, this will cause PHP to automatically assign types to results according to their Sybase type, instead of treating them all as strings. This compatibility mode will probably not stay around forever, so try applying whatever necessary changes to your code, and turn it off.

magic_quotes_sybase boolean

If magic_quotes_sybase is on, a single-quote is escaped with a single-quote instead of a backslash if magic_quotes_gpc or magic_quotes_runtime are enabled.

Note: Note that when magic_quotes_sybase is ON it completely overrides magic_quotes_gpc . In this case even when magic_quotes_gpc is enabled neither double quotes, backslashes or NUL's will be escaped.

Table 2. Sybase-CT configuration options

NameDefaultChangeableChangelog
sybct.allow_persistent"1"PHP_INI_SYSTEMPHP_INI_ALL in PHP <= 4.0.2. Available since PHP 4.0.2.
sybct.max_persistent"-1"PHP_INI_SYSTEMPHP_INI_ALL in PHP <= 4.0.2. Available since PHP 4.0.2.
sybct.max_links"-1"PHP_INI_SYSTEMPHP_INI_ALL in PHP <= 4.0.2. Available since PHP 4.0.2.
sybct.min_server_severity"10"PHP_INI_ALLAvailable since PHP 4.0.2.
sybct.min_client_severity"10"PHP_INI_ALLAvailable since PHP 4.0.2.
sybct.hostnameNULLPHP_INI_ALLAvailable since PHP 4.0.2.
sybct.deadlock_retry_count"0"PHP_INI_ALLAvailable since PHP 4.3.0.

Here's a short explanation of the configuration directives.

sybct.allow_persistent boolean

Whether to allow persistent Sybase-CT connections. The default is on.

sybct.max_persistent integer

The maximum number of persistent Sybase-CT connections per process. The default is -1 meaning unlimited.

sybct.max_links integer

The maximum number of Sybase-CT connections per process, including persistent connections. The default is -1 meaning unlimited.

sybct.min_server_severity integer

Server messages with severity greater than or equal to sybct.min_server_severity will be reported as warnings. This value can also be set from a script by calling sybase_min_server_severity(). The default is 10 which reports errors of information severity or greater.

sybct.min_client_severity integer

Client library messages with severity greater than or equal to sybct.min_client_severity will be reported as warnings. This value can also be set from a script by calling sybase_min_client_severity(). The default is 10 which effectively disables reporting.

sybct.login_timeout integer

The maximum time in seconds to wait for a connection attempt to succeed before returning failure. Note that if max_execution_time has been exceeded when a connection attempt times out, your script will be terminated before it can take action on failure. The default is one minute.

sybct.timeout integer

The maximum time in seconds to wait for a select_db or query operation to succeed before returning failure. Note that if max_execution_time has been exceeded when an operation times out, your script will be terminated before it can take action on failure. The default is no limit.

sybct.hostname string

The name of the host you claim to be connecting from, for display by sp_who. The default is none.

sybct.deadlock_retry_count int

Allows you to define how often deadlocks are to be retried. The default is -1, or "forever".

For further details and definitions of the PHP_INI_* constants, see the Appendix G.

Resource Types

Predefined Constants

This extension has no constants defined.

Table of Contents
sybase_affected_rows -- Gets number of affected rows in last query
sybase_close -- Closes a Sybase connection
sybase_connect -- Opens a Sybase server connection
sybase_data_seek -- Moves internal row pointer
sybase_deadlock_retry_count -- Sets the deadlock retry count
sybase_fetch_array -- Fetch row as array
sybase_fetch_assoc -- Fetch a result row as an associative array
sybase_fetch_field -- Get field information from a result
sybase_fetch_object -- Fetch a row as an object
sybase_fetch_row -- Get a result row as an enumerated array
sybase_field_seek -- Sets field offset
sybase_free_result -- Frees result memory
sybase_get_last_message -- Returns the last message from the server
sybase_min_client_severity -- Sets minimum client severity
sybase_min_error_severity -- Sets minimum error severity
sybase_min_message_severity -- Sets minimum message severity
sybase_min_server_severity -- Sets minimum server severity
sybase_num_fields -- Gets the number of fields in a result set
sybase_num_rows -- Get number of rows in a result set
sybase_pconnect -- Open persistent Sybase connection
sybase_query -- Sends a Sybase query
sybase_result -- Get result data
sybase_select_db -- Selects a Sybase database
sybase_set_message_handler -- Sets the handler called when a server message is raised
sybase_unbuffered_query -- Send a Sybase query and do not block
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