Friendica Communications Platform (please note that this is a clone of the repository at github, issues are handled there) https://friendi.ca
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

129 lines
2.9 KiB

<?php
/**
* @file src/Database/DBM.php
*/
namespace Friendica\Database;
use dba;
/**
* @brief This class contain functions for the database management
*
* This class contains functions that doesn't need to know if pdo, mysqli or whatever is used.
*/
class DBM
{
/**
* @brief Return a list of database processes
*
* @return array
* 'list' => List of processes, separated in their different states
* 'amount' => Number of concurrent database processes
*/
public static function processlist()
{
$r = q("SHOW PROCESSLIST");
$s = array();
$processes = 0;
$states = array();
foreach ($r as $process) {
$state = trim($process["State"]);
// Filter out all non blocking processes
if (!in_array($state, array("", "init", "statistics", "updating"))) {
++$states[$state];
++$processes;
}
}
$statelist = "";
foreach ($states as $state => $usage) {
if ($statelist != "") {
$statelist .= ", ";
}
$statelist .= $state.": ".$usage;
}
return(array("list" => $statelist, "amount" => $processes));
}
/**
* Checks if $array is a filled array with at least one entry.
*
* @param mixed $array A filled array with at least one entry
*
* @return boolean Whether $array is a filled array or an object with rows
*/
public static function is_result($array)
{
// It could be a return value from an update statement
if (is_bool($array)) {
return $array;
}
if (is_object($array)) {
return dba::num_rows($array) > 0;
}
return (is_array($array) && (count($array) > 0));
}
/**
* @brief Callback function for "esc_array"
*
* @param mixed $value Array value
* @param string $key Array key
* @param boolean $add_quotation add quotation marks for string values
* @return void
*/
private static function esc_array_callback(&$value, $key, $add_quotation)
{
if (!$add_quotation) {
if (is_bool($value)) {
$value = ($value ? '1' : '0');
} else {
$value = dbesc($value);
}
return;
}
if (is_bool($value)) {
$value = ($value ? 'true' : 'false');
} elseif (is_float($value) || is_integer($value)) {
$value = (string)$value;
} else {
$value = "'".dbesc($value)."'";
}
}
/**
* @brief Escapes a whole array
*
* @param mixed $arr Array with values to be escaped
* @param boolean $add_quotation add quotation marks for string values
* @return void
*/
public static function esc_array(&$arr, $add_quotation = false)
{
array_walk($arr, 'self::esc_array_callback', $add_quotation);
}
/**
* Checks Converts any date string into a SQL compatible date string
*
* @param string $date a date string in any format
*
* @return string SQL style date string
*/
public static function date($date = 'now')
{
$timestamp = strtotime($date);
// Don't allow lower date strings as '0001-01-01 00:00:00'
if ($timestamp < -62135596800) {
$timestamp = -62135596800;
}
return date('Y-m-d H:i:s', (int)$timestamp);
}
}