runkit_return_value_used
(no version information, might be only in CVS)
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
例 1. runkit_return_value_used() example
<?php function foo() { var_dump(runkit_return_value_used()); }
foo(); $f = foo(); ?>
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上例将输出: |