PHP - Manual: runkit_return_value_used
2024-12-21
(PECL runkit >= 0.8.0)
runkit_return_value_used — Determines if the current functions return value will be used
Returns TRUE
if the function's return value is used by the calling scope,
otherwise FALSE
Example #1 runkit_return_value_used() example
<?php
function foo() {
var_dump(runkit_return_value_used());
}
foo();
$f = foo();
?>
以上例程会输出:
bool(false) bool(true)
官方地址:https://www.php.net/manual/en/function.runkit-return-value-used.php