Php check if string contains words
You could use regular expressions as it's better for word matching compared to Show A simple match for
On the performance side, Edit: In order to search any part of the string, not just word by word, I would recommend using a regular expression like
The Now, this
can be quite problematic in some cases as the $search string isn't sanitized in any way, I mean, it might not pass the check in some cases as if Also, here's a great tool for testing and seeing explanations of various regular expressions Regex101 To combine both sets of functionality into a single multi-purpose function (including with selectable case sensitivity), you could use something like this:
One more thing to take in mind, is that The explanation for this and the solution is taken from here:
So in order to use the answer in PHP, you can use this function:
And if you want to search for array of words, you can use this:
As of PHP 8.0.0 you can now use str_contains
Topic: PHP / MySQLPrev|Next Answer: Use the PHP strpos() FunctionYou can use the PHP The Let's check out an example to understand how this function basically works:
Related FAQHere are some more FAQ related to this topic:
How do you check if a string contains a word in PHP?You can use the PHP strpos() function to check whether a string contains a specific word or not. The strpos() function returns the position of the first occurrence of a substring in a string. If the substring is not found it returns false .
Does string contain PHP?The str_contains is a new function that was introduced in PHP 8. This method is used to check if a PHP string contains a substring. The function checks the string and returns a boolean true in case it exists and false otherwise. However, keep in mind that str_contains is case-sensitive.
How check string is value or not in PHP?The is_string() function checks whether a variable is of type string or not. This function returns true (1) if the variable is of type string, otherwise it returns false/nothing.
How do you check whether a string contains any words from an array?To check if a string contains a substring from an array:. Use the Array. some() method to iterate over the array.. Check if the string contains each substring.. If the condition is met, the string contains a substring from the array.. |