str_contains()
Performs a case-sensitive check indicating if needle is contained in haystack.
Performs a case-sensitive check indicating if needle is contained in haystack.
1 time — 0.000001 sec (speed of light) | 50000 times — 0.0001 sec (speed of light) | PHP 7.4.25, WP 5.9
No Hooks.
Return
true|false. True if $needle is in $haystack, otherwise false.
Usage
str_contains( $haystack, $needle );
- $haystack(string) (required)
- The string to search in.
- $needle(string) (required)
- The substring to search for in the haystack.
Examples
#1 Demo of work
str_contains( 'ABC', 'B' ); // true // case sensitivity str_contains( 'ABC', 'c' ); // false // empty (string) is always in any string str_contains( 'abc', '' ); // true
Changelog
| Since 5.9.0 | Introduced. |
str_contains() str contains code WP 6.1.1
function str_contains( $haystack, $needle ) {
return ( '' === $needle || false !== strpos( $haystack, $needle ) );
}