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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: preg_quote thong ($str thon[, string $delimiter = NULL ]g) For example: foreach ($aReque[‘keywords’]st as $sKeyword) $sKeyword – preg_quote ($sKeyword); $pattern ' ' … Read more
It may happen that when you save your post, you want it to be considered not only in the chosen category but also in its parent category. For example, you have the following categories: – Auto – – BMW – – Audi By selecting Audi you also automatically want to have the Auto category. To … Read more
For security reasons, you can’t directly reach the page outside the iframe from inside it. However, we can retrieve information from the browser. To retrieve the parent’s address, i.e. the URL of the page where the iframe is added, just write this: <script type=”text/javascript”> var url (window.location!) – window.parent.location)? document.referrer: document.location; alert (url); </script> This … Read more
By default I’ve seen a lot of code using strlen to retrieve a character string size. Unfortunately this method returns the number of bytes used rather than the number of characters. That is, depending on your encoding, you’re going to have differences of +/- 1 character. To avoid this, you could do: strlen (utf8_encode($string)) But … Read more
A small function to replace accented characters with their unaccented equivalent. function normalize_str ($str) { $invalid ' array,'' 'S', '''s', ''Dj', '''Dj', ''Z', ''Z', ''Z', ''Z', ''Z', ''Z', ''Z', ''Z', ''Z', ''Z', 'Z', 'C', ''C', ''C', ''C', ''C', ''A', 'A', 'A', 'A', 'A', 'A', 'A', 'A', 'EA', ''A', ''A', ''A', ''C', ''E', 'E', 'E', 'E', … Read more
To effectively remove special characters in a string, just use the preg_replace method. $string – preg_replace ('[^a-zA-Z0-9]/s', '', $string);
To make queries on WordPress, I’m used to using WP_Query($args). In this example, we want to add a LIKE = “%title%” in our query. Here is a simple request that adds all our posts in the array a_response_array: $args – array ( 'post_status' ' 'publish', ); The Query $query – new WP_Query ($args); The Loop … Read more
To make all WordPress functions accessible in a PHP script, just include wp-load.php require_once('.. /wp-load.php'); to test, we can for example display the version of WordPress $blog-info – get_bloginfo ('version'); print_r $blog
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 find out if the current user is an administrator in WordPress, i.e. if they have the right to set up options: if (! current_user_can ('manage_options') echo "You are not admin"; "Other" echo "You are an admin"; }