PHP

With WordPress, it is common to use the get_post_meta($post, $meta_key) method in order to retrieve the value of a given meta. However for the ID, there is no ready-made method. The best solution I’ve found so far: $mid = $wpdb->get_var( $wpdb->prepare(“SELECT meta_id FROM $wpdb->postmeta WHERE post_id = %d AND meta_key = %s”, $post, $meta_key) );

If you want to use a regular expression to, for example, search for a word in a paragraph, it is important to protect your variable. To do this, just use the following function: string preg_quote ( string $str [, string $delimiter = NULL ] ) For example: foreach ($aRequest[‘keywords’] as $sKeyword) { $sKeyword = preg_quote($sKeyword); … Read more

It may happen that when you save your post, you want it to be considered not only in the chosen category but also in its parent category. For example, you have the following categories: – Auto – – BMW – – Audi By selecting Audi you also automatically want to have the Auto category. To … Read more

A lot of code uses strlen to get the size of a string. The problem: strlen returns the number of bytes, not the number of characters. As soon as a string contains accented letters or emojis, the result is wrong. The problem with strlen In UTF-8, a character such as “é” takes two bytes, so … Read more

A small function to replace accented characters with their unaccented equivalent. function normalize_str($str) { $invalid = array(‘Š’=>’S’, ‘š’=>’s’, ‘Đ’=>’Dj’, ‘đ’=>’dj’, ‘Ž’=>’Z’, ‘ž’=>’z’, ‘Č’=>’C’, ‘č’=>’c’, ‘Ć’=>’C’, ‘ć’=>’c’, ‘À’=>’A’, ‘Á’=>’A’, ‘Â’=>’A’, ‘Ã’=>’A’, ‘Ä’=>’AE’, ‘Å’=>’A’, ‘Æ’=>’A’, ‘Ç’=>’C’, ‘È’=>’E’, ‘É’=>’E’, ‘Ê’=>’E’, ‘Ë’=>’E’, ‘Ì’=>’I’, ‘Í’=>’I’, ‘Î’=>’I’, ‘Ï’=>’I’, ‘Ñ’=>’N’, ‘Ò’=>’O’, ‘Ó’=>’O’, ‘Ô’=>’O’, ‘Õ’=>’O’, ‘Ö’=>’OE’, ‘Ø’=>’O’, ‘Ù’=>’U’, ‘Ú’=>’U’, ‘Û’=>’U’, ‘Ü’=>’UE’, ‘Ý’=>’Y’, ‘Þ’=>’B’, … Read more

To effectively remove special characters in a string, just use the preg_replace method. $string = preg_replace(‘/[^a-zA-Z0-9]/s’, ”, $string);

Using the getElementsByTagName method to navigate and find the child in question. $number_orders = $image_1->getElementsByTagName(‘number_order’); foreach ($number_orders as $key => $value) { $value->nodeValue = “teaser”; }

To authenticate a cURL request in PHP, the option to know is CURLOPT_USERPWD. It sends a username / password pair in the user:password format. Basic authentication $ch = curl_init(‘https://example.com/api’); curl_setopt($ch, CURLOPT_USERPWD, ‘user:password’); curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_BASIC); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5); $response = curl_exec($ch); if ($response === false) { throw new RuntimeException(curl_error($ch)); } curl_close($ch); Setting … Read more