11-02-2017
HI Rudi -
I've escaped the single quote as well as placed double quotes around it. However, if I'm being completely honest, I'm having trouble understanding how this parameter expansion works. Would it be too much to ask if you explained to me?
Thank you.
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LEARN ABOUT PHP
pg_escape_identifier
PG_ESCAPE_IDENTIFIER(3) PG_ESCAPE_IDENTIFIER(3)
pg_escape_identifier - Escape a identifier for insertion into a text field
SYNOPSIS
string pg_escape_identifier ([resource $connection], string $data)
DESCRIPTION
pg_escape_identifier(3) escapes a identifier (e.g. table, field names) for quering the database. It returns an escaped identifier string
for PostgreSQL server. pg_escape_identifier(3) adds double quotes before and after data. Users should not add double quotes. Use of this
function is recommended for identifier parameters in query. For SQL literals (i.e. parameters except bytea), pg_escape_literal(3) or
pg_escape_string(3) muse be used. For bytea type fields, pg_escape_bytea(3) must be used instead.
Note
This function has internal escape code and can also be used with PostgreSQL 8.4 or less.
PARAMETERS
o $connection
- PostgreSQL database connection resource. When $connection is not present, the default connection is used. The default connection
is the last connection made by pg_connect(3) or pg_pconnect(3).
o $data
- A string containing text to be escaped.
RETURN VALUES
A string containing the escaped data.
EXAMPLES
Example #1
pg_escape_identifier(3) example
<?php
// Connect to the database
$dbconn = pg_connect('dbname=foo');
// Escape the table name data
$escaped = pg_escape_identifier($table_name);
// Select rows from $table_name
pg_query("SELECT * FROM {$escaped};");
?>
SEE ALSO
pg_escape_literal(3), pg_escape_bytea(3), pg_escape_string(3).
PHP Documentation Group PG_ESCAPE_IDENTIFIER(3)