PHP 5.4.36 Released

cubrid_lob2_read

(PECL CUBRID >= 8.4.1)

cubrid_lob2_readRead from BLOB/CLOB data.

Descrição

string cubrid_lob2_read ( resource $lob_identifier , int $len )

The cubrid_lob2_read() function reads len bytes from the LOB data and returns the bytes read.

Parâmetros

lob_identifier

Lob identifier as a result of cubrid_lob2_new() or get from the result set.

len

Length from buffer you want to read from the lob data.

Valor Retornado

Returns the contents as a string.

FALSE when there is no more data.

NULL on failure.

Exemplos

Exemplo #1 cubrid_lob2_read() example 1

<?php
// test_lob (id INT, contents CLOB)

$conn cubrid_connect("localhost"33000"demodb""public""");

$req cubrid_execute($conn"select * from test_lob");

$row cubrid_fetch_row($reqCUBRID_LOB);

print 
"position now is " cubrid_lob2_tell($row[1]) . "\n";

cubrid_lob2_seek($row[1], 10CUBRID_CURSOR_FIRST);

print 
"\nposition after moving farword is " cubrid_lob2_tell($row[1]) . "\n";

$data cubrid_lob2_read($row[1], 12);

print 
"\nposition after reading is " cubrid_lob2_tell($row[1]) . "\n";

print 
$data "\n";

cubrid_lob2_seek($row[1], 5CUBRID_CURSOR_CURRENT);

print 
"\nposition after moving again is " cubrid_lob2_tell($row[1]) . "\n";

$data cubrid_lob2_read($row[1], 20);
print 
$data "\n";

cubrid_disconnect($conn);
?>

Exemplo #2 cubrid_lob2_read() example 2

<?php
// test_lob (id INT, contents CLOB)

$conn cubrid_connect("localhost"33000"demodb""dba""");

$req cubrid_execute($conn"select * from test_lob");

$row cubrid_fetch_row($reqCUBRID_LOB);

while (
true) {
    if (
$data cubrid_lob2_read($row[1], 1024)) {
        print 
$data "\n";
    }
    elseif (
$data === false) {
        print 
"There is no more data\n";
        break;
    }
    else {
        print 
"There must some errors\n";
        break;
    }
}

cubrid_disconnect($conn);
?>

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