(PHP 5 >= 5.3.0, PHP 7)
lcfirst — Make a string's first character lowercase
lcfirst ( string $string ) : string
Returns a string with the first character of string lowercased if that character is alphabetic.
Note that 'alphabetic' is determined by the current locale. For instance, in the default "C" locale characters such as umlaut-a (ä) will not be converted.
string
The input string.
Returns the resulting string.
Example #1 lcfirst() example
<?php $foo = 'HelloWorld'; $foo = lcfirst($foo); // helloWorld $bar = 'HELLO WORLD!'; $bar = lcfirst($bar); // hELLO WORLD! $bar = lcfirst(strtoupper($bar)); // hELLO WORLD! ?>
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https://www.php.net/manual/en/function.lcfirst.php