![]() Parameters haystack The string to search in. ![]() Syntax : ctypedigit (string text) Parameter Used: The ctypedigit () function in PHP accepts only one parameter. strpos (PHP 4, PHP 5, PHP 7, PHP 8) strpos Find the position of the first occurrence of a substring in a string Description strpos ( string haystack, string needle, int offset 0 ): intfalse Find the numeric position of the first occurrence of needle in the haystack string. In the case of not detecting the substring, false is returned. Watch a video course Learn object oriented PHP This function is capable of returning the position of the first occurrence of a substring inside a string. It returns TRUE if all characters of the string are numeric otherwise return FALSE. You can apply the strpos () function for checking if a string contains a certain word. I tried strstr until now but it does now work. ![]() How can I build a search function that when someone searches for Mures it will return him only the posts that contain the 'Mures' word and not the one that contain the 'Maramures' word. This is because of PHP loose type comparison, you are comparing string with integer, so PHP internally will cast this string to integer, and all character in your string will be casted to 0. Courses Practice Video A ctypedigit () function in PHP used to check each and every character of text are numeric or not. In the above example, we see that using the toUpperCase() function on the string converted all the characters of the input string to capital letters. 10 I have two strings 'Mures' and 'Maramures'.
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