Php/docs/function.ingres-set-environment

• PHP Manual
• Ingres 函数
• Set environment features controlling output options

ingres_set_environment

(PECL ingres >= 1.2.0)

ingres_set_environment — Set environment features controlling output options

说明

ingres_set_environment ( resource $link , array $options ) : bool

ingres_set_environment() is called to set environmental options that affect the output of certain values from Ingres, such as the timezone, date format, decimal character separator, and float precision.

参数

link

The connection link identifier

options

An enumerated array of option name/value pairs. The following table lists the option name and the expected type

Option name	Option type	Description	Example
date_century_boundary	int	The threshold by which a 2-digit year is determined to be in the current century or in the next century. Equivalent to II_DATE_CENTURY_BOUNDARY	50
timezone	string	Controls the timezone of the session. If not set, it will default the value defined by II_TIMEZONE_NAME. If II_TIMEZONE_NAME is not defined, NA-PACIFIC (GMT-8 with Daylight Savings) is used.	UNITED-KINGDOM
date_format	int	Sets the allowable input and output format for Ingres dates. Defaults to the value defined by II_DATE_FORMAT. If II_DATE_FORMAT is not set, the default date format is US, for example mm/dd/yy. Valid values for date_format are: INGRES_DATE_DMY INGRES_DATE_FINISH INGRES_DATE_GERMAN INGRES_DATE_ISO INGRES_DATE_ISO4 INGRES_DATE_MDY INGRES_DATE_MULTINATIONAL INGRES_DATE_MULTINATIONAL4 INGRES_DATE_YMD INGRES_DATE_US	INGRES_DATE_ISO4
decimal_separator	string	The character identifier for decimal data	","
money_lort	int	Leading or trailing currency sign. Valid values for money_lort are: INGRES_MONEY_LEADING INGRES_MONEY_TRAILING	INGRES_MONEY_LEADING
money_sign	string	The currency symbol to be used with the MONEY datatype	€
money_precision	int	The precision of the MONEY datatype	2
float4_precision	int	Precision of the FLOAT4 datatype	10
float8_precision	int	Precision of the FLOAT8 data	10
blob_segment_length	int	The amount of data in bytes to fetch at a time when retrieving BLOB or CLOB data. Defaults to 4096 bytes when not set explicitly	8192

返回值

成功时返回 true， 或者在失败时返回 false。

范例

Example #1 Set date_format to ISO4

<?php$options = array( "date_format" => INGRES_DATE_ISO4 );if (ingres_set_environment($link, $options)){    $result=ingres_query($link,"select date('now') as date");    while ( $object = ingres_fetch_object ($result) ) {        echo $object->date."\n";    }}?>

Example #2 Set timezone to HONG-KONG

<?php$options = array( "timezone" => "HONG-KONG");if (ingres_set_environment($link, $options)){    $result=ingres_query($link,"select date('now') as date");    while ( $object = ingres_fetch_object ($result) ) {        echo $object->date."\n";    }}?>

参见

• ingres_connect() - Open a connection to an Ingres database
• ingres_query() - Send an SQL query to Ingres