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--TEST--
Exceptions in linear yield from setup
--FILE--
<?php
function from($off) {
debug_print_backtrace();
yield $off + 1;
}
function gen() {
yield 1;
debug_print_backtrace();
yield 2;
yield from from(2);
debug_print_backtrace();
}
print "\nImplicit foreach:\n";
foreach (gen() as $v) {
var_dump($v);
}
print "\nExplicit iterator:\n";
for ($gen = gen(); $gen->valid(); $gen->next()) {
var_dump($gen->current());
}
?>
--EXPECTF--
Implicit foreach:
int(1)
#0 %s(%d): gen()
int(2)
#0 %s(%d): from(2)
#1 %s(%d): gen()
int(3)
#0 %s(%d): gen()
Explicit iterator:
int(1)
#0 [internal function]: gen()
#1 %s(%d): Generator->next()
int(2)
#0 %s(%d): from(2)
#1 [internal function]: gen()
#2 %s(%d): Generator->next()
int(3)
#0 [internal function]: gen()
#1 %s(%d): Generator->next()
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