Php Check If String Contains Word Array

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Php check if string contains word array. This method returns true if the array contains the element and false if not. This is because you may have to perform some operation on that substring or word. Use the php strpos function. If needle is a string the comparison is done in a case sensitive manner.

The includes method determines whether an array contains a specified element. Does the string contain a certain word or a set of characters. Sometimes you may want to check whether a string contains a specific word or substring. These unintended matches can simply be avoided in regular expression by using word boundaries.

If the third parameter strict is set to true then the in array function will also check the types of the needle in the haystack. How to check if string contains specific word or substring in php. If the search parameter is a string and the type parameter is set to true the search is case sensitive. The in array function searches an array for a specific value.

This tutorial will help you to check if a string contains any substring in php programming language. Php check if string contains multiple words. One of the easiest ways to do this is in php is by using the strpos function. We will look at the other ways to check for a substring in this article.

You could use regular expressions as it s better for word matching compared to strpos as mentioned by other users a strops check for are will also return true for strings such as. Also note that string positions start at 0 and not 1. The strpos function returns the position of the first occurrence of a substring in a string. For example you want to run a specific line of code only if an input string contains another substring in it.

Active 6 years 3 months ago. Viewed 15k times 3. The bad username will be detected if the username contains any of the words in an array. A case insensitive check using the stristr function.

The includes method is case sensitive. I have looked around the internet for something that will do this but it will only work with one word. You can use the php strpos function to check whether a string contains a specific word or not. If you want your check to be case insensitive then you can use php s stristr function like so.