Online PHP editor | rfc for 1sLR3H

@ 2025-10-18T12:52:32Z

<?php
error_reporting(E_ALL);
$db = new PDO("sqlite::memory:");
$db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);

$expectedFetchMode = \PDO::FETCH_OBJ;
$db->setAttribute(\PDO::ATTR_DEFAULT_FETCH_MODE, $expectedFetchMode);

print "Original (expected):\n";
$stmt = $db->query("SELECT 'v1' AS c1, 'v2' AS c2");
print_r($stmt->fetch());

print "\nPDOStatement::setFetchMode:\n";
$stmt = $db->query("SELECT 'v1' AS c1, 'v2' AS c2");
$stmt->setFetchMode(\PDO::FETCH_DEFAULT);
print_r($stmt->fetch());

print "\nPDOStatement::fetch:\n";
$stmt = $db->query("SELECT 'v1' AS c1, 'v2' AS c2");
print_r($stmt->fetch(\PDO::FETCH_DEFAULT));

print "\nPDOStatement::fetchAll:\n";
$stmt = $db->query("SELECT 'v1' AS c1, 'v2' AS c2");
print_r($stmt->fetchAll(\PDO::FETCH_DEFAULT));

print "\nPDO::setAttribute:\n";
try {
    $db->setAttribute(\PDO::ATTR_DEFAULT_FETCH_MODE, \PDO::FETCH_DEFAULT);
} catch (ValueError $e) {
    print "Could not set fetch mode using PDO::setAttribute: ". $e->getMessage() ."\n";
}

if ($db->getAttribute(\PDO::ATTR_DEFAULT_FETCH_MODE) !== $expectedFetchMode) {
    print __LINE__ ." Fetch mode changed\n";
}

print "Done!\n";

Output for git.master_jit, git.master: Original (expected): stdClass Object ( [c1] => v1 [c2] => v2 ) PDOStatement::setFetchMode: Fatal error: Uncaught ValueError: PDOStatement::fetch(): Argument #1 ($mode) must be a bitmask of PDO::FETCH_* constants in /in/1sLR3H:16 Stack trace: #0 /in/1sLR3H(16): PDOStatement->fetch() #1 {main} thrown in /in/1sLR3H on line 16
Process exited with code 255.

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2022-12-01 RFC: Property hooks - included in PHP 8.4
2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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