(PHP 4 >= 4.2.0, PHP 5, PHP 7)
pg_num_rows — Returns the number of rows in a result
pg_num_rows ( resource $result ) : int
pg_num_rows() will return the number of rows in a PostgreSQL result resource.
Note:
This function used to be called pg_numrows().
result
PostgreSQL query result resource, returned by pg_query(), pg_query_params() or pg_execute() (among others).
The number of rows in the result. On error, -1 is returned.
Example #1 pg_num_rows() example
<?php $result = pg_query($conn, "SELECT 1"); $rows = pg_num_rows($result); echo $rows . " row(s) returned.\n"; ?>
The above example will output:
1 row(s) returned.
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https://www.php.net/manual/en/function.pg-num-rows.php