str_contains

osbo.com | PHP | Functions | str_contains

Determine if a string contains a given substring

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

haystack

The string to search in.

needle

The substring to search for in the haystack.

Returns TRUE if needle is in haystack, FALSE otherwise.

<?

$haystack = "haystack needle haystack";
$needle = "needle";

$return = str_contains($haystack, $needle);

var_export($return);

?>

<?

$haystack = "an empty needle returns true";
$needle = "";

$return = str_contains($haystack, $needle);

var_export($return);

?>

<?

$haystack = "case";
$needle1 = "Case";
$needle2 = "case";
$needle3 = "CASE";

$return1 = str_contains($haystack, $needle1);
$return2 = str_contains($haystack, $needle2);
$return3 = str_contains($haystack, $needle3);

var_export($return1);
var_export($return2);
var_export($return3);

?>

str_ends_with

str_starts_with

PHP