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pg_field_is_null
<<<
pg_field_name pg_field_num
>>>

7.82 PostgreSQL
7 Index des fonctions
 Manuel PHP

Introduction
Pré-requis
Installation
Configuration à l'exécution
Trucs et astuces d'utilisation
Constantes prédefinies
Exemples
pg_affected_rows
pg_cancel_query
pg_client_encoding
pg_close
pg_connect
pg_connection_busy
pg_connection_reset
pg_connection_status
pg_convert
pg_copy_from
pg_copy_to
pg_dbname
pg_delete
pg_end_copy
pg_escape_bytea
pg_escape_string
pg_fetch_all
pg_fetch_array
pg_fetch_assoc
pg_fetch_object
pg_fetch_result
pg_fetch_row
pg_field_is_null
->pg_field_name
pg_field_num
pg_field_prtlen
pg_field_size
pg_field_type
pg_free_result
pg_get_notify
pg_get_pid
pg_get_result
pg_host
pg_insert
pg_last_error
pg_last_notice
pg_last_oid
pg_lo_close
pg_lo_create
pg_lo_export
pg_lo_import
pg_lo_open
pg_lo_read_all
pg_lo_read
pg_lo_seek
pg_lo_tell
pg_lo_unlink
pg_lo_write
pg_meta_data
pg_num_fields
pg_num_rows
pg_options
pg_pconnect
pg_ping
pg_port
pg_put_line
pg_query
pg_untrace
pg_update

7.82.31 pg_field_name()Retourne le nom d'un champ PostGreSQL

[ Exemples avec pg_field_name ]   PHP 4 >= 4.2.0

string  pg_field_name ( resource   result , int   field_number )

pg_field_name va retourne le nom du champ qui occupe la colonne numéro field_number dans le résultat result . La numérotation des champs commence à 0.

Lire des informations sur les champs PostGreSQL

<?php
    $dbconn
= pg_connect("dbname=publisher") or die("Impossible de se connecter");

    
$res = pg_query($dbconn, "select * from authors where author = 'Orwell'");
    
$i = pg_num_fields($res);
    for (
$j = 0; $j < $i; $j++) {
        echo
"column $j\n";
        
$fieldname = pg_field_name($res, $j);
        echo
"Champ : $fieldname\n";
        echo
"Taille affichée : ".pg_field_prtlen($res, $fieldname)." characters\n";
        echo
"Taille de stockage : ".pg_field_size($res, $j)." bytes\n";
        echo
"Type de champ : ".pg_field_type($res, $j)." \n\n";
}
?>

Note

Auparavant, cette fonction s'appelait pg_fieldname() .

Voir aussi pg_field_num .

<< pg_field_name >>
pg_field_is_null PostgreSQL pg_field_num
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