la til pluginer
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Øyvind Bakkeli committed
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<?php
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/**
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* @package Debug Queries
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* @author Frank Bültge
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*/
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/*
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Plugin Name: Debug Queries
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Plugin URI: http://bueltge.de/wordpress-performance-analysieren-plugin/558/
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Description: List query-actions only for admins; for debug purposes
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Author: Frank Bültge
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Author URI: http://bueltge.de/
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Version: 1.0.1
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License: GPLv2
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Last Change: 23.03.2011 21:00
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*/
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//avoid direct calls to this file, because now WP core and framework has been used
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if ( !function_exists( 'add_action' ) ) {
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header( 'Status: 403 Forbidden' );
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header( 'HTTP/1.1 403 Forbidden' );
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exit();
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}
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if ( function_exists( 'add_action' ) ) {
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//WordPress definitions
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if ( !defined( 'WP_CONTENT_URL' ) )
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define( 'WP_CONTENT_URL', get_option( 'siteurl' ) . '/wp-content' );
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if ( !defined( 'WP_CONTENT_DIR' ) )
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define( 'WP_CONTENT_DIR', ABSPATH . 'wp-content' );
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if ( !defined( 'WP_PLUGIN_URL' ) )
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define( 'WP_PLUGIN_URL', WP_CONTENT_URL . '/plugins' );
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}
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// disable mySQL Session Cache
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define( 'QUERY_CACHE_TYPE_OFF', TRUE );
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if ( !defined( 'SAVEQUERIES' ) )
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define( 'SAVEQUERIES', TRUE );
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if ( !class_exists( 'Debug_Queries' ) ) {
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class Debug_Queries {
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// constructor
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function debug_queries() {
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if ( function_exists( 'register_activation_hook' ) )
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register_activation_hook(__FILE__, array( &$this, 'activate' ) );
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if ( function_exists( 'register_uninstall_hook' ) )
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register_uninstall_hook(__FILE__, array( 'Debug_Queries', 'deactivate' ) );
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if ( function_exists( 'register_deactivation_hook' ) )
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register_deactivation_hook(__FILE__, array( &$this, 'deactivate' ) );
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add_action( 'wp_head', array( $this, 'wp_head' ) );
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add_action( 'wp_footer', array( $this, 'the_queries' ) );
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}
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// core
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function get_queries() {
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global $wpdb;
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// disabled session cache of mySQL
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if ( QUERY_CACHE_TYPE_OFF )
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$wpdb->query( 'SET SESSION query_cache_type = 0;' );
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$debug_queries = '';
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if ( $wpdb->queries ) {
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$x = 0;
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$total_time = timer_stop( FALSE, 22 );
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$total_query_time = 0;
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$class = '';
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$debug_queries .= '<ol>' . "\n";
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foreach ( $wpdb->queries as $q ) {
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if ( $x % 2 != 0 )
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$class = '';
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else
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$class = ' class="alt"';
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$q[0] = trim( ereg_replace( '[[:space:]]+', ' ', $q[0]) );
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$total_query_time += $q[1];
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$debug_queries .= '<li' . $class . '><ul>';
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$debug_queries .= '<li><strong>' . __( 'Time:' ) . '</strong> ' . $q[1] . '</li>';
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if ( isset($q[1]) )
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$debug_queries .= '<li><strong>' . __( 'Query:' ) . '</strong> ' . htmlentities( $q[0] ) . '</li>';
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if ( isset($q[2]) )
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$debug_queries .= '<li><strong>' . __( 'Call from:' ) . '</strong> ' . htmlentities( $q[2] ) . '</li>';
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$debug_queries .= '</ul></li>' . "\n";
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$x++;
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}
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$debug_queries .= '</ol>' . "\n\n";
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}
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$php_time = $total_time - $total_query_time;
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// Create the percentages
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$mysqlper = number_format_i18n( $total_query_time / $total_time * 100, 2 );
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$phpper = number_format_i18n( $php_time / $total_time * 100, 2 );
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$debug_queries .= '<ul>' . "\n";
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$debug_queries .= '<li><strong>' . __( 'Total query time:' ) . ' ' . number_format_i18n( $total_query_time, 5 ) . __( 's for' ) . ' ' . count($wpdb->queries) . ' ' . __( 'queries.' ) . '</strong></li>';
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if ( count($wpdb->queries) != get_num_queries() ) {
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$debug_queries .= '<li><strong>' . __( 'Total num_query time:' ) . ' ' . timer_stop() . ' ' . __( 'for' ) . ' ' . get_num_queries() . ' ' . __( 'num_queries.' ) . '</strong></li>' . "\n";
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$debug_queries .= '<li class="none_list">' . __( '» Different values in num_query and query? - please set the constant' ) . ' <code>define(\'SAVEQUERIES\', true);</code>' . __( 'in your' ) . ' <code>wp-config.php</code></li>' . "\n";
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}
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if ( $total_query_time == 0 )
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$debug_queries .= '<li class="none_list">' . __( '» Query time is null (0)? - please set the constant' ) . ' <code>SAVEQUERIES</code>' . ' ' . __( 'at' ) . ' <code>TRUE</code> ' . __( 'in your' ) . ' <code>wp-config.php</code></li>' . "\n";
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$debug_queries .= '<li>' . __( 'Page generated in' ). ' ' . number_format_i18n( $total_time, 5 ) . __( 's, ' ) . $phpper . __( '% PHP' ) . ', ' . $mysqlper . __( '% MySQL' ) . '</li>' . "\n";
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$debug_queries .= '</ul>' . "\n";
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return $debug_queries;
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}
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// echo in html-comment
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function html_comment_queries() {
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if ( ! current_user_can( 'DebugQueries' ) )
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return;
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$echo = '';
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$echo .= "\n\n" . __( '<!-- Debug Queries by Frank Bueltge, bueltge.de' );
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$echo .= "\n\t" . __( '! Deactivate after analysis !' );
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$echo .= "\n" . $this->get_queries() . "\n" . ' -->' . "\n\n";
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echo $echo;
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}
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// echo in frontend
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function the_queries() {
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if ( ! current_user_can( 'DebugQueries' ) )
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return;
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$echo = '';
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$echo .= '<div id="debugqueries" class="transparent">' . "\n";
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$echo .= '<h3><a href="http://bueltge.de/wordpress-performance-analysieren-plugin/558/">Debug Queries</a> ' . __( 'by Frank Bültge' ) . ', <a href="http://bueltge.de/">bueltge.de</a></h3>' . "\n";
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$echo .= '<p>' . __( '» Deactivate after analysis!' ). '</p>' . "\n";
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$echo .= $this->get_queries();
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$echo .= '</div>' . "\n\n";
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echo $echo;
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}
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// add user rights
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function activate() {
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global $wp_roles;
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$wp_roles->add_cap( 'administrator', 'DebugQueries' );
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}
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// delete user rights
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function deactivate() {
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global $wp_roles;
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$wp_roles->remove_cap( 'administrator', 'DebugQueries' );
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}
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// function for WP < 2.8
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function plugins_url( $path = '', $plugin = '' ) {
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if ( function_exists( 'is_ssl' ) )
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$scheme = ( is_ssl() ? 'https' : 'http' );
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else
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$scheme = 'http';
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$url = WP_PLUGIN_URL;
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if ( 0 === strpos( $url, 'http' ) ) {
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if ( function_exists( 'is_ssl' ) && is_ssl() )
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$url = str_replace( 'http://', "{$scheme}://", $url );
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}
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if ( ! empty( $plugin ) && is_string( $plugin ) ) {
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$folder = dirname( plugin_basename( $plugin ) );
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if ( '.' != $folder)
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$url .= '/' . ltrim($folder, '/' );
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}
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if ( ! empty( $path ) && FALSE === is_string( $path ) && strpos( $path, '..' ) )
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$url .= '/' . ltrim( $path, '/' );
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return apply_filters( 'plugins_url', $url, $path, $plugin );
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}
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// infos in frontend, add css to head
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function wp_head() {
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global $wp_version;
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if ( ! current_user_can( 'DebugQueries' ) )
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return NULL;
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if ( version_compare( $wp_version, '2.8dev', '>' ) )
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$style = plugins_url( 'css/style-frontend.css', __FILE__ );
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else
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$style = $this->plugins_url( 'css/style-frontend.css', __FILE__ );
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$return = '<link rel="stylesheet" href="' . $style . '" type="text/css" media="screen" />';
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echo $return;
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}
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}
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$debug_queries = new Debug_Queries();
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}
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?>
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