Checks if a string starts with a given substring

Performance wise, you don't need to create a new string (unlike with substr) nor parse the whole string if it doesn't start with what you want. You will have a performance penalty though the 1st time you use …

Oct 19, 2024 · Learn how to check if a string starts with a specific substring in PHP. This guide covers simple methods to perform this common string operation efficiently.

str_starts_with () is a built-in PHP 8 function that checks if a string begins with a given substring. It performs a case-sensitive search and returns true if the main string (haystack) starts with…

The str_starts_with function checks if a string starts with a given substring and returns true on success, and false on failure. The first parameter of the function is the string to search in.

Jul 11, 2025 · PHP is a server-side scripting language designed specifically for web development. You can learn PHP from the ground up by following this PHP Tutorial and PHP Examples.

Let’s start with the more manual methods and work towards the built-in functions for PHP 8. Basic String Checking with substr() The substr() function is a versatile tool that enables you to extract a substring …

Feb 20, 2024 · Learn to efficiently determine the beginning of a string with PHP's str_starts_with function, a case-sensitive tool introduced in PHP 8.0.0.