x
<html><body>function test1(){}echo "test1 is callable: " . is_callable("test1");echo "<br>";echo "test2 is callable: " . is_callable("test2");</body><!-- /php/phptryit.asp?filename=tryphp_func_var_is_callable Thu, 06 Feb 2025 19:27:09 GMT --></html>
test1 is callable: 1
test2 is callable:
test2 is callable: