str_starts_with

FunctionAdded in PHP 8.0

Checks if a string starts with a given substring.

PHP 5
PHP 7
PHP 8.0
Added
PHP 8.1
PHP 8.2-8.3
PHP 8.4
PHP 8.5
PHP 8.6

str_starts_with Function synopsis

str_starts_with(string $haystack, string $needle): bool

Parameters

$haystack

Typestring

The string to search in.

$needle

Typestring

The substring to search for in the $haystack.

Return value

Typebool

Returns true if $haystack begins with $needle, false otherwise.

Changes to the str_starts_with Function

PHP 8.0

  • Function added

str_starts_with Function Availability

PHP VersionAvailability
PHP 8.6Upcoming Release Yes
PHP 8.5Supported (Latest) Yes
PHP 8.4Supported Yes
PHP 8.3Security-Fixes Only Yes
PHP 8.2Security-Fixes Only Yes
PHP 8.1Unsupported Yes
PHP 8.0Unsupported Yes
PHP 7.4Unsupported No
PHP 7.3Unsupported No
PHP 7.2Unsupported No
PHP 7.1Unsupported No
PHP 7.0Unsupported No
PHP 5.6Unsupported No
PHP 5.5Unsupported No
PHP 5.4Unsupported No
PHP 5.3Unsupported No