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PHP oci_field_precision

PHP original manual for oci_field_precision [ show | php.net ]

oci_field_precision

(PHP 5, PHP 7, PECL OCI8 >= 1.1.0)

oci_field_precisionTell the precision of a field

Description

int oci_field_precision ( resource $statement , mixed $field )

Returns precision of the field.

For FLOAT columns, precision is nonzero and scale is -127. If precision is 0, then column is NUMBER. Else it's NUMBER(precision, scale).

Parameters

statement

A valid OCI statement identifier.

field

Can be the field's index (1-based) or name.

Return Values

Returns the precision as an integer, or FALSE on errors.

Examples

Example #1 oci_field_precision() Example

<?php

// Create the table with:
//   CREATE TABLE mytab (c1 NUMBER, c2 FLOAT, c3 NUMBER(4), c4 NUMBER(5,3));

$conn oci_connect("hr""hrpwd""localhost/XE");
if (!
$conn) {
    
$m oci_error();
    
trigger_error(htmlentities($m['message']), E_USER_ERROR);
}

$stid oci_parse($conn"SELECT * FROM mytab");
oci_execute($stidOCI_DESCRIBE_ONLY); // Use OCI_DESCRIBE_ONLY if not fetching rows

$ncols oci_num_fields($stid);
for (
$i 1$i <= $ncols$i++) {
    echo 
oci_field_name($stid$i) . " " 
        
oci_field_precision($stid$i) . " " 
        
oci_field_scale($stid$i) . "<br>\n";
}

// Outputs:
//   C1    0 -127
//   C2  126 -127
//   C3    4    0
//   C4    5    3

oci_free_statement($stid);
oci_close($conn);

?>

Notes

Note:

In PHP versions before 5.0.0 you must use ocicolumnprecision() instead. This name still can be used, it was left as alias of oci_field_precision() for downwards compatability. This, however, is deprecated and not recommended.

See Also