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Add support for PHP 8+ WeakMaps #110

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Add support for PHP 8+ WeakMaps #110

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f9b058a
Add support for PHP 8+ WeakMaps
jasongill Jun 15, 2023
689d953
Merge branch 'dshafik:master' into add-weakmaps-support
jasongill Jan 20, 2025
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39 changes: 33 additions & 6 deletions lib/mysql.php
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Original file line number Diff line number Diff line change
Expand Up @@ -87,7 +87,14 @@ function mysql_connect(
return false;
}
MySQL::$last_connection = $conn;
$conn->hash = $hash; // @phpstan-ignore-line
if (class_exists('WeakMap')) {
if (is_null(MySQL::$conn_hash_weakmap)) {
MySQL::$conn_hash_weakmap = new WeakMap();
}
MySQL::$conn_hash_weakmap[$conn] = $hash;
} else {
$conn->hash = $hash; // @phpstan-ignore-line
}
MySQL::$connections[$hash] = array('refcount' => 1, 'conn' => $conn);

return $conn;
Expand Down Expand Up @@ -115,7 +122,14 @@ function mysql_connect(
}
// @codeCoverageIgnoreEnd

$conn->hash = $hash; // @phpstan-ignore-line
if (class_exists('WeakMap')) {
if (is_null(MySQL::$conn_hash_weakmap)) {
MySQL::$conn_hash_weakmap = new WeakMap();
}
MySQL::$conn_hash_weakmap[$conn] = $hash;
} else {
$conn->hash = $hash; // @phpstan-ignore-line
}
MySQL::$connections[$hash] = array('refcount' => 1, 'conn' => $conn);

return $conn;
Expand Down Expand Up @@ -150,14 +164,23 @@ function mysql_close(mysqli $link = null)
// @codeCoverageIgnoreEnd
}

if (isset(MySQL::$connections[$link->hash])) {
MySQL::$connections[$link->hash]['refcount'] -= 1;
if (class_exists('WeakMap')) {
if (is_null(MySQL::$conn_hash_weakmap)) {
MySQL::$conn_hash_weakmap = new WeakMap();
}
$link_hash = MySQL::$conn_hash_weakmap[$link];
} else {
$link_hash = $link->hash;
}

if (isset(MySQL::$connections[$link_hash])) {
MySQL::$connections[$link_hash]['refcount'] -= 1;
}

$return = true;
if (MySQL::$connections[$link->hash]['refcount'] === 0) {
if (MySQL::$connections[$link_hash]['refcount'] === 0) {
$return = mysqli_close($link);
unset(MySQL::$connections[$link->hash]);
unset(MySQL::$connections[$link_hash]);
}

if ($isDefault) {
Expand Down Expand Up @@ -789,6 +812,10 @@ class MySQL
{
public static $last_connection;
public static $connections = array();
/**
* @var null|\WeakMap
*/
public static $conn_hash_weakmap = null;

public static function getConnection($link = null, $func = null)
{
Expand Down