Here, we have checked if our string starts with Mr. $startPosition optional It is the position in the string from where the search will start. $searchString mandatory It is the substring that will be searched in a string. Parameter Description $string mandatory It is the string whose substring we wish to find. The details of its parameters are as follows.

strpos($string, $searchString, $startPosition) The correct syntax to use this function is as follows. Otherwise, the string doesn’t start with the checked substring. If the returned value is 0, it means the given string starts with the specified substring. We could use it to check if a string starts with a specified string. The function strpos() returns the position of the first occurrence of a substring in the given string. Use strpos() Function to Check if a String Starts With a Specified String in PHP Output: The string starts with the desired substring. then it will display The string starts with the desired substring. If the start of the string is the same as Mr. Python Program to Check a String and Number is Palindrome Or Not substr($string, 0, 3)Ġ is the start index of the substring, or in other words, the substring starts from the first character of the given string.ģ means the length of the returned substring is 3. In the above code, we want to check if our string starts with Mr. If it is zero, then an empty string is returned. If it is negative, then the string from the end is removed according to its value. If it is omitted, then the substring from the start position to the end of the string is returned. It specifies the total length of the string from the start position. $lengthOfSubstring optional An integer variable. If it is negative, then our substring starts from the end. If it is positive, then our substring starts from the left side of the string i.e from the beginning. It tells the position where our substring will start. $startPosition mandatory An integer variable. Parameters Description $string mandatory The original string whose substring we wish to access. The correct syntax to use this function is as follows substr($string, $startPosition, $lengthOfSubstring) We can use this function to check if a string starts with a specific string. The string is passed as an input, and the substring that we want to access is returned. The built-in function substr() is used to access a substring. Using strncmp() function Use substr() Function to Check if a String Starts With a Specified String in PHP.In this article, we will introduce methods to check if a string starts with a specified string in PHP.

Use strncmp() Function to Check if a String Starts With a Specified String in PHP.Use strpos() Function to Check if a String Starts With a Specified String in PHP.Use substr() Function to Check if a String Starts With a Specified String in PHP.

Php string contains