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runkit_return_value_used
Determines if the current functions return value will be used
(PECL runkit:0.8-0.9)
bool runkit_return_value_used ( )
Return Values
Returns TRUE if the function's return value is used by the calling scope,
otherwise FALSE
Examples
Example 2093. runkit_return_value_used() example
<?php
function foo() {
var_dump(runkit_return_value_used());
}
foo();
$f = foo();
?>The above example will output:
bool(false)
bool(true)