PHP | ReflectionGenerator getExecutingGenerator()函数
ReflectionGenerator::getExecutingGenerator()函数是PHP中的一个内置函数,用于返回当前正在执行的 Generator 对象。
句法:
Generator ReflectionGenerator::getExecutingGenerator( void )
参数:此函数不接受任何参数。
返回值:该函数返回当前正在执行的 Generator 对象。
下面的程序说明了PHP中的 ReflectionGenerator::getExecutingGenerator()函数:
方案一:
GFG();
// Using ReflectionGenerator over the
// above generator 'A'
$B = new ReflectionGenerator($A);
// Calling the getExecutingGenerator() function
$C = $B->getExecutingGenerator();
// Getting the currently executing
// Generator object
var_dump($C->current());
?>
输出:
int(0)
方案二:
Coding_Department();
$B = (new Departments)->HR_Department();
$C = (new Departments)->Marketing_Department();
// Using ReflectionGenerator over the
// above generators
$D = new ReflectionGenerator($A);
$E = new ReflectionGenerator($B);
$F = new ReflectionGenerator($C);
// Calling the getExecutingGenerator() function
// and getting the currently executing
// Generator object
var_dump($D->getExecutingGenerator()->current());
var_dump($E->getExecutingGenerator()->current());
var_dump($F->getExecutingGenerator()->current());
?>
输出:
int(0)
int(1)
int(2)
参考: https://www. PHP.net/manual/en/reflectiongenerator.getexecutinggenerator。 PHP