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von raredesign | Dez 3, 2019 | Allgemein | 0 Kommentare

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Current Path : /var/www/web284/html/wp-content/plugins/wordfence/lib/

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Current File : //var/www/web284/html/wp-content/plugins/wordfence/lib/wfDB.php

<?php
class wfDB {
	public $errorMsg = false;
	public function __construct(){
	}
	public function querySingle(){
		global $wpdb;
		if(func_num_args() > 1){
			$args = func_get_args();
			return $wpdb->get_var(call_user_func_array(array($wpdb, 'prepare'), $args));
		} else {
			return $wpdb->get_var(func_get_arg(0));
		}
	}
	public function querySingleRec(){ //queryInSprintfFormat, arg1, arg2, ... :: Returns a single assoc-array or null if nothing found.
		global $wpdb;
		if(func_num_args() > 1){
			$args = func_get_args();
			return $wpdb->get_row(call_user_func_array(array($wpdb, 'prepare'), $args), ARRAY_A);
		} else {
			return $wpdb->get_row(func_get_arg(0), ARRAY_A);
		}
	}
	public function queryWrite(){
		global $wpdb;
		if(func_num_args() > 1){
			$args = func_get_args();
			return $wpdb->query(call_user_func_array(array($wpdb, 'prepare'), $args));
		} else {
			return $wpdb->query(func_get_arg(0));
		}
	}
	public function flush(){ //Clear cache
		global $wpdb;
		$wpdb->flush();
	}
	public function querySelect(){ //sprintfString, arguments :: always returns array() and will be empty if no results.
		global $wpdb;
		if(func_num_args() > 1){
			$args = func_get_args();
			return $wpdb->get_results(call_user_func_array(array($wpdb, 'prepare'), $args), ARRAY_A);
		} else {
			return $wpdb->get_results(func_get_arg(0), ARRAY_A);
		}
	}
	public function queryWriteIgnoreError(){ //sprintfString, arguments
		global $wpdb;
		$oldSuppress = $wpdb->suppress_errors(true);
		$args = func_get_args();
		call_user_func_array(array($this, 'queryWrite'), $args);
		$wpdb->suppress_errors($oldSuppress);
	}
	public function columnExists($table, $col){
		global $wpdb; $prefix = $wpdb->base_prefix;
		$table = $prefix . $table;
		$q = $this->querySelect("desc $table");
		foreach($q as $row){
			if($row['Field'] == $col){
				return true;
			}
		}
		return false;
	}
	public function dropColumn($table, $col){
		global $wpdb; $prefix = $wpdb->base_prefix;
		$table = $prefix . $table;
		$this->queryWrite("alter table $table drop column $col");
	}
	public function createKeyIfNotExists($table, $col, $keyName){
		$table = $this->prefix() . $table;
		$exists = $this->querySingle("show tables like '$table'");
		$keyFound = false;
		if($exists){
			$q = $this->querySelect("show keys from $table");
			foreach($q as $row){
				if($row['Key_name'] == $keyName){
					$keyFound = true;
				}
			}
		}
		if(! $keyFound){
			$this->queryWrite("alter table $table add KEY $keyName($col)");
		}
	}
	public function getMaxAllowedPacketBytes(){
		$rec = $this->querySingleRec("show variables like 'max_allowed_packet'");
		return $rec['Value'];
	}
	public function prefix(){
		global $wpdb;
		return $wpdb->base_prefix;
	}
	public function truncate($table){ //Ensures everything is deleted if user is using MySQL >= 5.1.16 and does not have "drop" privileges
		$this->queryWrite("truncate table $table");
		$this->queryWrite("delete from $table");
	}
	public function getLastError(){
		global $wpdb;
		return $wpdb->last_error;
	}
	public function realEscape($str){
		global $wpdb;
		return $wpdb->_real_escape($str);
	}

}

?>

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