In PHP, you can extract numbers from a string using regular expressions and the `preg_match_all()` function. Here's an example of how to extract all numbers from a string: ```php $my_string = "There are 15 Oranges and 3 Bananas."; preg_match_all('/[0-9]+/', $my_string , $matches); print_r($matches[0]); ``` This will output: ```php Array ( [0] => 15 [1] => 3 ) ``` **Explanation:** - The regular expression `/[0-9]+/` searches for one or more consecutive digits. - The `preg_match_all()` function searches the string for all occurrences of the regular expression and stores the matches in...
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During front end development we mostly use jQuery and so its good to know that how can we run jQuery queries from **chrome** or other **chromium browsers** or other browser which offer developer console like **Mozilla Firefox**, **Microsoft Edge** etc. So first open your browser developer console from chromium browser settings or press **`CONTROL + SHIFT + I`** Then execute the following queries in it. ```js var MyjQuery= document.createElement('script'); MyjQuery.src = "https://code.jquery.com/jquery-3.3.1.min.js"; document.getElementsByTagName('head')[0].appendChild(MyjQuery);...
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