runkit_return_value_used

(PECL runkit:0.8-0.9)

runkit_return_value_used — Determines if the current functions return value will be used

bool runkit_return_value_used ( void )

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();
?>

上例将输出：

bool(false)
bool(true)


	PHP5中文手册 runkit_method_rename runkit_sandbox_output_handler runkit PHP Manual runkit_return_value_used (PECL runkit:0.8-0.9) runkit_return_value_used — Determines if the current functions return value will be used 说明 bool runkit_return_value_used ( void ) 返回值 Returns `TRUE` if the function's return value is used by the calling scope, otherwise `FALSE` 范例 Example#1 runkit_return_value_used() example `<?php function foo() { var_dump(runkit_return_value_used()); } foo(); $f = foo(); ?>` 上例将输出： bool(false) bool(true) runkit_method_rename runkit_sandbox_output_handler runkit PHP Manual