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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)