How to check whether a string has no whitespace in php?

To check whether a string has no whitespace, use the preg_match() in PHP.

How to count the number of substring using mb_substr_count() in php?

In PHP, we can use the function mb_substr_count() to count the total number of substrings in a given string.

How to find the position of the first occurrence of a substring in a string in php?

In PHP, the iconv_strpos() function is used to read the first character from a given string. It finds the position of the first occurrence of a character in a string. It is an inbuilt function in PHP.

How to find the last occurrence of a needle within a haystack in php?

In PHP, the iconv_strrpos() function is used to findsthe last occurrence of a needle within a haystack.

How to enable or disable nested checkboxes in jQuery ?

In this article, we will see how to enable or disable nested checkboxes in jQuery. To do that, we select all child checkboxes and add disabled attributes to them with the help of the attr() method in jQuery so that all checkboxes will be disabled.

How to create a 3D text effect using html and css?

The 3D text effect is one of the most used text effects in the web design world. Today we will be looking at one of the simplest and easy methods to create our text in a 3D look.

What is the difference between json and xml?

In this article, we are going to see difference between JSON and XML.

How to convert json file into csv in php?

In this article, we are going to see how to convert JSON data into a CSV file using PHP.

How to convert xml data into json using php?

In this article, we are going to see how to convert XML data into JSON format using PHP .

How to use eval function in php?

The eval function in PHP is an inbuilt function that evaluates a string as PHP code.