jimeh/litemysql
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Lots of changes, and version bumped to 1.1.

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This commit is contained in:
Jim Myhrberg
2009-05-21 13:25:58 +00:00
parent e96bd0f059
commit 323cd4de76
2 changed files with 146 additions and 43 deletions
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156
litemysql.lib.php
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@@ -2,7 +2,7 @@
/*
Class: LiteMySQL v1.0.2
Class: LiteMySQL v1.1
http://code.google.com/p/litemysql/
Simple & easy to use class to automate the repetative & boring stuff.
@@ -11,7 +11,7 @@
Copyright (c) 2007 Jim Myhrberg (jim@zydev.info).
Copyright (c) 2009 Jim Myhrberg (contact@jimeh.me).
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
@@ -36,18 +36,20 @@
Code Examples
----------------
# general usage
$sql = new litemysql('host', 'username', 'password', 'database', 'table');
$sql = new litemysql('host', 'username', 'password', 'database', 'table', 'encoding');
$rows = $sql->find_all();
----------------
# config.php file
<?php
$database_settings = array(
'host' = 'localhost',
'username' = 'user',
'password' = 'pass',
'database' = 'database',
'table', = 'table',
'persistent' = false,
'host' => 'localhost',
'username' => 'user',
'password' => 'pass',
'database' => 'database',
'table' => 'table',
'encoding' => 'utf8',
'primary_key' => 'user_id',
'persistent' => false,
);
?>
----------------
@@ -63,6 +65,12 @@
$result = $sql->find(array('id' => 3));
$result = $sql->find('`id` = 3');
----------------
# custom primary keys
# - change the default column name used by the condition builder
$sql->primary_key = 'user_id';
$result = $sql->find(3);
# creates a "`user_id` = 3" WHERE clause in the query
----------------
# insert a single row
$sql->insert(
array(
@@ -129,6 +137,8 @@ class LiteMySQL {
$database = null,
$table = null,
$persistent = false,
$primary_key = 'id',
$encoding = 'utf8',
$config_var = 'database_settings',
@@ -139,6 +149,8 @@ class LiteMySQL {
$connected = false,
$selected_database = null,
$last_insert_id = null,
$enable_logging = false,
$query_log = array(),
@@ -159,6 +171,7 @@ class LiteMySQL {
* @param password mysql password
* @param database database to select
* @param table table to use
* @param encoding the encoding type to use (defaults is utf8)
* @return nothing
*/
function __construct () {
@@ -207,14 +220,15 @@ class LiteMySQL {
/**
* Connect to a MySQL server and/or select database and/or table
* @param host server host or configuration file
* @param username mysql username
* @param password mysql password
* @param database database to select
* @param table table to use
* @param host/file server host or configuration file
* @param username mysql username
* @param password mysql password
* @param database database to select
* @param table table to use
* @param encoding the encoding type to use (defaults is utf8)
* @return nothing
*/
function connect ($host = null, $username = null, $password = null, $database = null, $table = null) {
function connect ($host = null, $username = null, $password = null, $database = null, $table = null, $encoding = null) {
if ( $host !== null ) $this->host = $host;
if ( $username !== null ) $this->username = $username;
if ( $password !== null ) $this->password = $password;
@@ -228,13 +242,23 @@ class LiteMySQL {
}
if ( !array_key_exists($this->connection_id, self::$resources) ) {
$connect_function = ($this->persistent) ? 'mysql_pconnect' : 'mysql_connect' ;
$this->resource = call_user_func_array($connect_function, array($this->host, $this->username, $this->password));
$connect_settings = array($this->host, $this->username, $this->password);
$connect_function = 'mysql_connect';
if ( !$this->persistent ) {
$connect_settings[] = true;
} else {
$connect_function = 'mysql_pconnect';
}
$this->resource = call_user_func_array($connect_function, $connect_settings);
if ( $this->resource !== false ) {
$this->connected = true;
if ( $this->database !== null ) $this->select_db($this->database);
if ( $table !== null ) $this->select_table($table);
self::$resources[$this->connection_id] = &$this->resource;
$this->set_encoding($encoding);
//TODO fix table-name conflicts with the database resource name
// self::$resources[$this->connection_id] = &$this->resource;
return true;
}
} else {
@@ -281,6 +305,16 @@ class LiteMySQL {
}
}
/**
* Set connection encoding
* @param encoding the encoding type to use (defaults is utf8)
* @return nothing
*/
function set_encoding ($encoding = null) {
if ( !empty($encoding) ) $this->encoding = $encoding;
$this->query("SET NAMES '".$this->encoding."';");
}
/**
* Load settings from file
@@ -290,7 +324,7 @@ class LiteMySQL {
*/
function load_settings ($input = null, $variable = null) {
if ( is_array($input) && count($input) ) {
$properties = array('host', 'username', 'password', 'database', 'table', 'persistent');
$properties = array('host', 'username', 'password', 'database', 'table', 'persistent', 'encoding');
foreach( $properties as $value ) {
if ( array_key_exists($value, $input) && $input[$value] != '' ) $this->$value = $input[$value];
}
@@ -329,7 +363,7 @@ class LiteMySQL {
}
$sql = $this->build_find_query($conditions, $options);
$result = $this->query($sql);
if ( $row = mysql_fetch_assoc($result) ) {
if ( $result && $row = mysql_fetch_assoc($result) ) {
return $row;
}
return false;
@@ -344,7 +378,7 @@ class LiteMySQL {
*/
function find_all ($conditions = null, $options = array(), $index = null) {
$sql = $this->build_find_query($conditions, $options);
$result = $this->query($sql);
if ( mysql_num_rows($result) > 0 ) {
$return = array();
@@ -376,7 +410,9 @@ class LiteMySQL {
*/
function insert ($input = null) {
$sql = $this->build_insert_query($input);
return ( $sql !== false ) ? $this->query($sql) : false ;
$result = ( $sql !== false ) ? $this->query($sql) : false ;
$this->last_insert_id = mysql_insert_id($this->resource);
return $result;
}
/**
@@ -443,6 +479,29 @@ class LiteMySQL {
$options['order_by'] = 'RAND()';
return $this->find_all($conditions, $options);
}
function count ($conditions = null, $options = '') {
$query = 'SELECT ';
if ( is_array($options) ) {
if ( !empty($options['select']) ) $query .= $options['select'].', ';
$query .= 'COUNT(*) FROM `'.$this->table.'`';
if ( !empty($conditions) ) $query .= $this->build_query_conditions($conditions);
if ( !empty($options['group_by']) ) $query .= ' GROUP BY '.$options['group_by'];
$query .= ';';
} else {
$query .= 'COUNT(*) FROM `'.$this->table.'`';
if ( !empty($conditions) ) {
$query .= $this->build_query_conditions($conditions);
}
$query .= ';';
}
if ( $result = $this->query($query) ) {
$count = mysql_fetch_assoc($result);
return $count['COUNT(*)'];
}
return null;
}
@@ -606,7 +665,7 @@ class LiteMySQL {
}
}
if ( count($values) ) {
$limit = (!empty($options['limit'])) ? $options['limit'] : '' ;
$limit = (!empty($options['limit'])) ? " LIMIT ".$options['limit'] : '' ;
return 'UPDATE `'.$this->table.'` SET '.implode(', ', $values).$conditions.$limit.";";
}
}
@@ -633,7 +692,7 @@ class LiteMySQL {
}
if ( is_string($conditions) || is_int($conditions) || is_float($conditions) ) {
if ( preg_match('/^[0-9]+$/', trim($conditions)) ) {
return " WHERE `id` = '".$conditions."'";
return " WHERE `".$this->primary_key."` = ".$conditions;
} else {
return ' WHERE '.$conditions;
}
@@ -660,30 +719,41 @@ class LiteMySQL {
* @return SQL statements
*/
function build_query_options ($options) {
if ( is_string($options) ) {
return ' '.$options;
} elseif ( is_array($options) && count($options) ) {
if ( $options !== null && $options !== '' ) {
if ( is_string($options) ) {
return ' '.$options;
} elseif ( is_array($options) && count($options) ) {
$query = '';
$query = '';
$query_end = ' ';
if ( isset($options['order_by']) && $options['order_by'] != '' ) {
$order_by = trim($options['order_by']);
$order = '';
if ( preg_match('/^(.*)\s(ASC|DESC)$/i', $order_by, $capture) ) {
$order = ' '.$capture[2];
$order_by = trim($capture[1]);
if ( isset($options['order_by']) && isset($options['order']) ) {
$options['order'] = $options['order_by'];
unset($options['order_by']);
}
unset($options['order_by']);
if ( $order_by != 'RAND()' && strpos($order_by, '`') === false ) $order_by = '`'.$order_by.'`';
$query .= ' ORDER BY '.$order_by.$order;
}
foreach( $options as $key => $value ) {
if ($key != 'operator' && $key != 'select') {
$query .= ' '.strtoupper($key).' '.$value;
if ( isset($options['order']) && $options['order'] != '' ) {
$order_by = trim($options['order']);
$order = '';
if ( preg_match('/^(.*)\s(ASC|DESC)$/i', $order_by, $capture) ) {
$order = ' '.$capture[2];
$order_by = trim($capture[1]);
}
unset($options['order']);
if ( $order_by != 'RAND()' && strpos($order_by, '`') === false ) $order_by = '`'.$order_by.'`';
$query .= ' ORDER BY '.$order_by.$order;
}
if ( (isset($options['limit']) && $options['limit'] != '') && (isset($options['offset']) && $options['offset'] != '') ) {
$query_end .= 'LIMIT '.$options['limit'].' OFFSET '.$options['offset'];
unset($options['limit'], $options['offset']);
}
foreach( $options as $key => $value ) {
if ($key != 'operator' && $key != 'select' && $value != '') {
$query .= ' '.strtoupper($key).' '.$value;
}
}
return $query.$query_end;
}
return $query;
}
}
return '';
}