(PHP 4, PHP 5, PHP 7, PHP 8)
strcasecmp — Binary safe case-insensitive string comparison
Binary safe case-insensitive string comparison. The comparison is not locale aware; only ASCII letters are compared in a case-insensitive way.
string1
The first string
string2
The second string
Returns a value less than 0 if string1
is less than string2
; a value greater
than 0 if string1
is greater than
string2
, and 0
if they
are equal.
No particular meaning can be reliably inferred from the value aside
from its sign.
Версія | Опис |
---|---|
8.2.0 |
Тепер ця функція повертає -1 або 1 , а не
від'ємне або додатнє число, як раніше.
|
Приклад #1 strcasecmp() example
<?php
$var1 = "Hello";
$var2 = "hello";
if (strcasecmp($var1, $var2) == 0) {
echo '$var1 is equal to $var2 in a case-insensitive string comparison';
}
?>