To get a value from JSON, use json_decode(). Let’s say the following is our JSON $detailsJsonObject = '{"details":[{"name":"John", "subjectDetails":{"subjectId":"101", "subjectName":"PHP", "marks":"58", "teacherName":"Bob"}}]}';  We need to fetch specific values i.e. Subject Name, Marks, etc.ExampleThe PHP code is as follows  Live Demo OutputThis will produce the following outputThe Subject Name ... Read More

To get the last part of URL, use preg_match() in PHP. Let’s say the following is our input URL $websiteAddress='https://www.tutorialspoint.com/java/java_questions_answers/9989809898';We need to get the following output, with only the last part, which is a number 9989809898'ExampleFollowing is the PHP code to get the last part of URL  Live Demo ... Read More

To print unwanted characters, use preg_match_all(). Let’s say the following is our string with some special characters −$sentence= "M-y Name/i_s John+Doe";We want the output to display only the special characters from the above string i.e.-/_+ExampleThe PHP code is as follows Live Demo OutputThis will produce the following ... Read More

Let’s say we have the following array $subject= array('JavaScript', 'Java', 'PHP language', 'Python Language');From the above array, we need to fetch values with the following text $valueToSearch= 'Language';For such match, use preg_match() in PHP.ExampleThe PHP code is as follows Live Demo OutputThis will produce the following outputArray ( [2] ... Read More

To remove comma, you can replace. To replace, use str_replace() in PHP.Let’s say the following is our input string with comma $name="John, Smith";We want the output after removing comma from the above string is JohnSmithExampleThe PHP code is as follows Live Demo OutputThis will produce the following outputThe actual ... Read More

Use preg_split() in PHP and split with hyphen. Let’s say the following is our input value with numbers and string separated with hyphen $values ="ABC-DEF IJKL-3553435-8990987876";We want the output to beArray ( [0] => ABC-DEF IJKL [1] => 3553435 [2] => 8990987876 )ExampleThe PHP code is as follows Live Demo ... Read More

To round amounts, use round() in PHP. Let’s say the following are our input values −$amount=50.78; $quantity=45.5;Convert them to float like this $am=(float) round($amount, 4); $quant=(float) round($quantity, 4);ExampleThe PHP code is as follows Live Demo OutputThis will produce the following output50.78 45.5 The result is=2310.49

In PHP, use &$ in function parameter to pass reference parameters.ExampleThe PHP code is as follows Live Demo OutputThis will produce the following output The actual value is=900 The modified value is=1000

For this, use preg_match_all(). Let’s say the following is our string $values = 'javamysqlphpmongodbpythonspringhibernatephp';We want to split with specific values like java hibernate phpExampleThe PHP code is as follows  Live Demo OutputThis will produce the following outputArray ( [0] => Array ( [0] => java [1] => php [2] ... Read More

For this, use preg_replace() in PHP. You need to also use Regular Expressions. Let’s say the following is our input −FirstName|John |LastName|Smith|SalaryProvided|2000|5000The expected output is as follows wherein we have replaced a specific character “|” with a whitespace. This character was placed between two numbers 2000 and 5000 −FirstName|John |LastName|Smith|SalaryProvided|2000 ... Read More