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本文檔使用 php中文網手册 發布
(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)