@Zak It's not a problem if you understand regex, and know what it can and cannot do. $acronym = array_reduce( Don't strip or escape HTML and special characters in the password. I highly suggest reading the documentation for the crypt function if you want to understand how to use bcrypt, or finding yourself a good wrapper or use something like PHPASS for a more legacy implementation. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. But the good news is: longer passwords, and passwords with unicode characters, really increase the entropy of a password and make it harder to crack. Derivative of cross product w.r.t. In this example to get first and last word from string in PHP. One option is to use preg_replace to remove all characters from a set from the end of a string: echo preg_replace ('/ [^_]+$/', '', 'lv_datatable_5_english'); // lv_datatable_5_. // Your string First, your example gives a warning at last line Notice: Array to string conversion. What would you suggest? $words = str_word_count ($text, 1); $lastWord = array_pop ($words); $textWithoutLastWord = implode (" ", $words); or. 27 Answers. You can use reset () and end () to achieve this. I almost can't imagine this situation anymore. WebFor the purposes of this thread, the first word (defined as anything before the first space character) of Test me more can be obtained by tokenizing the string on the space character. Does air in the atmosphere get friction due to the planet's rotation? PHP "SA", "S" -> "S", Split all words by ' '. The greedy zero-or-more quantifier (*) ensures that only the last "word" is matched. Tokenizing the string is more elegant because you are stepping through the original string, which requires less memory. $firstCharacter = $string [0]; //Get the first character using substr. I should also mention that any of the answers on this page that are accessing the first character by its offset (using array-like syntax like $word[0]) or substr() will fail whenever a multibyte character is encountered. Do any democracies with strong freedom of expression have laws against religious desecration? of course it is unnecessary, but it is simple, and this simple question clearly needs a simple, understandable answer in plain English (not code) to walk through the logical process of how to solve a problem. Asking for help, clarification, or responding to other answers. Any issues to be expected to with Port of Entry Process? it is identical to the 4 purposed answers below, $words = "Hello, how are you doing? Are glass cockpit or steam gauge GA aircraft safer? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. I am needing to use this and the words in use will always have atleast 3 letters so just want to grab 3 from each word. as per http://www.w3schools.com/php/func_string_strrchr.asp "\n"; ?> Sample Output: The I am trying to extract the first character of both first and last name from a string but have had no luck so far. ; So your code should be like this: I like Reg Expression over any other method of string extraction, but if you are unfamiliar with Reg Ex then hear is a method using the explode() PHP function: Obviously the above code will only work on a name containing two words. Follow the below tutorial step of how to get last word in python. What if it contains a space followed by a punctuation character? Have another way to solve this solution? Asking for help, clarification, or responding to other answers. making abbreviation / initials out of non-Latin string): Using mb_substr($word, 0, 1, 'utf-8'), instead of $word[0] seems to be must, if you're working on non-Latin, multi-byte strings and characters, i.e. This suppress everything ending by a space, and since regexp are always match Will spinning a bullet really fast without changing its linear velocity make it do more damage? I am going to show you about how to get last word in string python. I think your remark tells us that you're a pompous coder that isn't open to code reviews. Connect and share knowledge within a single location that is structured and easy to search. Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing, @MarissaNicholas: Yea, right, it doesn't allow before first 15 minutes. Why can't capacitors on PCBs be measured with a multimeter? How about this get last words or simple get last word from string just by passing the amount of words you need get_last_words(1, $str); public function get_last_words($amount, $string) { $amount+=1; $string_array = explode(' ', $string); This solution prints both initials (first name and last name) in case both are present and just one initial (name) if only a first name or a last name is given. If you dont know how your password is stored, then all you really can depend upon is complexity. This should work for you: $str = "fetch the last word from me"; (eg: it will break if your string is $variable = 'put returns between paragraphs '. The latter lets you increase the cost to brute-force a password by increasing blowfish's already expensive key schedule. Managing team members performance as Scrum Master. This answer is missing its educational explanation. Next: Write a PHP script to remove all leading zeroes from a string. Password entropy is approximated easily. The Overflow #186: Do large language models know what theyre talking about? Were there planes able to shoot their own tail? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. How can I find the last occurence of a character in a string and get everything before it? // used end in explode, for getting last word By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. 589). Here is a helper method combining the different steps. Use substr () Function to Get the Last Char of a String in PHP The built-in substr () function in PHP could get the substring of a string. What is the shape of orbit assuming gravity does not depend on distance? The objective behind hashing passwords is simple: preventing malicious access to user accounts by compromising the database. Remember, be as paranoid as possible, make things as hard to intrude as possible, and then, if you are still worried, contact a white-hat hacker or cryptographer to see what they say about your code/system. Bcrypt and scrypt are the current best practices. This also has the advantage that the type and number of whitespaces between words is irrelevant and trailing whitespaces at the end of the string are ignored. Randomess, as truly random as possible, is always the safest but least memorable solution. Never hash passwords with SHA1 or MD5 or even SHA256! To subscribe to this RSS feed, copy and paste this URL into your RSS reader. i just found to Get last word from URL after a slash in PHP. How would I get the first letter of each word for a given string? head and tail light connected to a single battery? When a password is only lowercase roman letters, that's only 26 characters. Which field is more rigorous, mathematics or philosophy? No password is truly good enough for our purposes, so we must protect them as though they were in Fort Knox. Of course you can use trim(), but why bother to waste more memory and call another function when you can do it with regex ? Ive come to appreciate why password storage is ever so much more important than password complexity. In this tutorial we use echo (and print) in almost every example. str_word_count("Community College District", 1), WebYou can use the preg_match_all function in PHP to match all the words in a string and then use the substr function to get the first letter of each word. (Mr. Test Middlename User = TU). Modified 10 years, 8 months ago. Thanks for contributing an answer to Stack Overflow! @JakeScervino What is your expected result then? Explanation: ^ - Start of string. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. But how do we actually use this in PHP? Hence, there's no need to juggle arrays, reversed strings or regexes - but you can, of course :), This will ignore trailing whitespaces, something @jensgram's solution doesn't. What character indicates first letter? Get the first letter of each word in a string. Does Iowa have more farmland suitable for growing corn and wheat than Canada? 78k 7 65 87. If you want to get the first and last x elements, you can use array_slice () but as you want the gap, simply array_combine () two slices like this. This is why costly schemes like bcrypt and scrypt are so important. In Indiana Jones and the Last Crusade (1989), when does this shot of Sean Connery happen? I have a block of text and I would like to extract the first 50 words from the string without cutting off the words in the middle. Asking for help, clarification, or responding to other answers. What's the significance of a C function declaration in parentheses apparently forever calling itself? How many witnesses testimony constitutes or transcends reasonable doubt? But - the first character in the string is a character in the string is one you want extract. Hey, do you happen to have any idea about my question : How do I get the first and last initial/character from a name string, How terrifying is giving a conference talk? To extend it for non-English prefixes and suffixes you would probably want to define them and strip them out as some may not end in a period. Learn more about Teams Prints in upper case despite the input string in lower case. 1. section for some debate. Split the list on the basis of the starting word. Possible values: 0 - Default. !my bad. 0. in this example, we will use to explode () function to get first and last word. Assuming your input string is solely composed of whitespace delimited "words" (and you don't need to validate that the first character of each word is an actual letter), you can use this concise, multibyte safe technique to trim all letters after the first letter from each word and also discard the delimiting whitespaces. There is no such thing. The regular expression matches all characters except _, and anchors to the end of the string with $. By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. If you are working with Ruby there is an scrypt gem that will help you out, and Node.js now has its own scrypt package.You can use Scrypt in PHP either via the Scrypt extension or the Libsodium extension (both are available in PECL). Why was there a second saw blade in the first grail challenge? and Twitter for latest update. No, the code is not self descriptive. Q&A for work. Any thoughts. Managing team members performance as Scrum Master. Connect and share knowledge within a single location that is structured and easy to search. The code itself is self-descriptive enough. get all word in first index and last word in array 2 D? Not the answer you're looking for? The only caveat is that regex will "fail" in a case such "
"; echo substr ("Hello world",3). Just replacing one bad thing with another bad thing could be interpreted that "try this" is an acceptable answer. You cannot possibly foresee all threats or avenues of attack, and so you must make your best effort to protect your users up front. Returns the number of words found. (adsbygoogle = window.adsbygoogle || []).push({}); Usingthe first approach, we treatthe string like an array. @wscourge I suggest a comment saying this is not how to answer a question here on SO. If words are simply the first two chunks delimited by sequential whitespace, you could do $words = preg_split("/\s+/", $str); If you want the first two, you could use preg_split() 's limit argument (thanks Phil ). Print only month name and year from string name, Reference Guide: What does this symbol mean in PHP? What's it called when multiple concepts are combined into a single problem? You can do it by splitting the string and capitalizing first and last words of the string. There you go a generic function to get last words from string. An immortal ant on a gridded, beveled cube divided into 3458 regions. In this tutorial we use echo (and print) in almost every example. Making statements based on opinion; back them up with references or personal experience. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing. ", @JakeScervino okay! This is possible because strings in PHP can be treated like characterarrays (basically, a string is just an array that consists ofcharacters). Example 1: PHP Get First Word from String index.php length If length is given and is positive, the string returned will contain at most length characters Johnnie Culpepper Bundy Ted Bundys stepfather. To learn more, see our tips on writing great answers. So, this chapter contains a little more info about those two output statements. 589). firstly I explode string by spaces then I substr first char. WebTo use the mb_stringwidth() function you need to install a php-mbstring package using the following command and restart the apache. we will use explode () php function to get Last word from string. Have I overreached and how should I recover? If in this case if you use $_POST ['type'] [0], or substr ($_POST ['type'], 0, 1) you will get C back. WebExample #1 Using a negative offset length If length is given and is positive, the string returned will contain at most length characters beginning from offset (depending on the length of string ). Thanks for contributing an answer to Stack Overflow! i know that one, of course. 0. Find centralized, trusted content and collaborate around the technologies you use most. Also, make sure to use hash_hmac() if it is available to make the operation harder to reproduce. Why is the Work on a Spring Independent of Applied Force? WebThis will return the *last* occurence of a string within a string. @Tyler I thought that the first word should be caps at first, but if you look in the original string, the first two words are capitalized, so I left that alone. So, this chapter contains a little more info about those two output statements. Oops! Find the last occurrence of the end of a word. The trim () function removes whitespace and other predefined characters from both sides of a string. Follow us on Facebook @Andreas I felt like I should write something, anything really, to accompany the solution. Demo. Where to start with a large crack the lock puzzle like this? Don't limit the length of a password. 1. Do observers agree on forces in special relativity? Since then, PHP has given us password_hash and password_verify and, since their introduction, they are the recommended password hashing & checking method. Why not using the str_word_count function for this? Have I overreached and how should I recover? Find out all the different files from two different paths efficiently in Windows (with Python). Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood. edited Nov 25, 2013 at 15:04. answered Nov 25, 2013 at 14:57. rev2023.7.17.43536. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing, People have replied so promptly, accept the answer that most suits you, but acceptTo help others in future @ryan, @ryan will also work for larger lists ad gaps, but I would suggest that you check before the function if the explode worked as expected, php - Get the first and last word on an array, How terrifying is giving a conference talk? PHP Regex, Get last word after different characters. And time/cost are the best deterrents in your arsenal. Using, @MAssiveAmountsOfCode I disagree why do something in 13 lines of code, that can be achieved in 1. Oneliner to prepend or append a string to another, i want to add string data to before first character and after last character, Append string from between starting from end, Insert substring right before first occurrence of another string, How to add string after specific character in PHP, Add string at the end position of particular text in a string. The correct syntax to use this function is as follows What is the relational antonym of 'avatar'? And we can make are expression case-insensitive using the i modifier as well as u modifier to support utf-8 characters. (Mr. Test Middlename User = TU). strlen () Function: This inbuilt function in PHP is used to find the length of a string. This will break if your string is. The correct syntax to use this function is as follows substr($stringName, $startingPosition, $lengthOfSubstring); I need to add some code to automatically remove a prefix if there is one. Making statements based on opinion; back them up with references or personal experience. We are closing our Disqus commenting system for some maintenanace issues. What's the right way to say "bicycle wheel" in German? Nice. Derivative of cross product w.r.t. Something like this should do the trick : For the case that you'll be doing this on large strings (or even directly from file) explode() isn't the best way to do this. But suppose that you cannot use bcrypt or PHPASS at all. In PHP there are two basic ways to get output: echo and print. thanks for your answer! Connect and share knowledge within a single location that is structured and easy to search. This will improve the entropy of the password, in turn making it harder to crack. The only way for computers to "crack" a password is to recreate it and simulate the hashing algorithm used to secure it. Connect and share knowledge within a single location that is structured and easy to search. $str = "I like to eat apple"; If you need more flexibility around the word delimiter, you can do something similar with preg_split(), More information: Use string.slice (0, -1) to remove the last letter of a string. Are glass cockpit or steam gauge GA aircraft safer? "
"; }, Getting first two words from string in php [closed], http://php.net/manual/en/function.explode.php, http://www.cplusplus.com/reference/clibrary/cstdio/scanf/, How terrifying is giving a conference talk? And there is no such thing as self descriptive or self explanatory answer. Get last word of string $string ="I like to eat apple"; Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Find centralized, trusted content and collaborate around the technologies you use most. Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood. $firstCharacter = substr ($string, 0, 1); //Get the first two characters using the "index" approach. $words = explode (" ", "Community College District"); $acronym = ""; foreach ($words as $w) { $acronym .= What happens if a professor has funding for a PhD student but the PhD student does not come? "\n"); will return world To my understanding, this will return "MU" if a user inputs "Mr. Test Middlename User", which is not my desired result. I am trying to reverse the final word in a string. Optional. How to get last part from a URL string in php?
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