Php/docs/reflectiongenerator.gettrace
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ReflectionGenerator::getTrace
(PHP 7)
ReflectionGenerator::getTrace — Gets the trace of the executing generator
说明
public ReflectionGenerator::getTrace
([ int $options
= DEBUG_BACKTRACE_PROVIDE_OBJECT
] ) : array
Get the trace of the currently executing generator.
参数
options
The value of
options
can be any of the following flags.Available options Option Description DEBUG_BACKTRACE_PROVIDE_OBJECT
Default. DEBUG_BACKTRACE_IGNORE_ARGS
Don't include the argument information for functions in the stack trace.
返回值
Returns the trace of the currently executing generator.
范例
Example #1 ReflectionGenerator::getTrace() example
<?phpfunction foo() { yield 1;}function bar(){ yield from foo();}function baz(){ yield from bar();}$gen = baz();$gen->valid(); // start the generatorvar_dump((new ReflectionGenerator($gen))->getTrace());
以上例程的输出类似于:
array(2) { [0]=> array(4) { ["file"]=> string(18) "example.php" ["line"]=> int(8) ["function"]=> string(3) "foo" ["args"]=> array(0) { } } [1]=> array(4) { ["file"]=> string(18) "example.php" ["line"]=> int(12) ["function"]=> string(3) "bar" ["args"]=> array(0) { } } }
参见
- ReflectionGenerator::getFunction() - Gets the function name of the generator
- ReflectionGenerator::getThis() - Gets the $this value of the generator