str_starts_with()WP 5.9.0

Performs a case-sensitive check indicating if the haystack begins with needle.

Performs a case-sensitive check indicating if the haystack begins with needle.

1 time — 0.000001 sec (speed of light) | 50000 times — 0.001 sec (speed of light)

No Hooks.

Return

true|false. True if $haystack starts with $needle, otherwise false.

Usage

str_starts_with( $haystack, $needle );
$haystack(string) (required)
The string to search in.
$needle(string) (required)
The substring to search for in the $haystack.

Examples

0

#1 Demo

str_starts_with( 'ABC', 'A' ); // true

str_starts_with( 'ABC', 'C' ); // false

// case sensitive
str_starts_with( 'ABC', 'a' ); // false

// all lines begin with an empty string
str_starts_with( 'abc', '' ); // true

Changelog

Since 5.9.0 Introduced.

str_starts_with() code WP 6.5.3

function str_starts_with( $haystack, $needle ) {
	if ( '' === $needle ) {
		return true;
	}

	return 0 === strpos( $haystack, $needle );
}