56 lines
1 KiB
PHP
56 lines
1 KiB
PHP
--TEST--
|
|
SCCP 032: Yield from optimizations
|
|
--INI--
|
|
opcache.enable=1
|
|
opcache.enable_cli=1
|
|
opcache.optimization_level=-1
|
|
opcache.opt_debug_level=0x20000
|
|
opcache.preload=
|
|
zend_test.observer.enabled=0
|
|
--EXTENSIONS--
|
|
opcache
|
|
--FILE--
|
|
<?php
|
|
function test(): Generator {
|
|
$result = yield from [];
|
|
$a = [];
|
|
yield from $a;
|
|
yield $result;
|
|
$a[] = 3;
|
|
yield from $a;
|
|
}
|
|
foreach (test() as $x) {
|
|
var_export($x);
|
|
echo "\n";
|
|
}
|
|
?>
|
|
--EXPECTF--
|
|
$_main:
|
|
; (lines=11, args=0, vars=1, tmps=2)
|
|
; (after optimizer)
|
|
; %ssccp_032.php:1-15
|
|
0000 INIT_FCALL 0 %d string("test")
|
|
0001 T2 = DO_UCALL
|
|
0002 T1 = FE_RESET_R T2 0009
|
|
0003 FE_FETCH_R T1 CV0($x) 0009
|
|
0004 INIT_FCALL 1 %d string("var_export")
|
|
0005 SEND_VAR CV0($x) 1
|
|
0006 DO_ICALL
|
|
0007 ECHO string("\n")
|
|
0008 JMP 0003
|
|
0009 FE_FREE T1
|
|
0010 RETURN int(1)
|
|
LIVE RANGES:
|
|
1: 0003 - 0009 (loop)
|
|
|
|
test:
|
|
; (lines=4, args=0, vars=0, tmps=0)
|
|
; (after optimizer)
|
|
; %ssccp_032.php:2-9
|
|
0000 GENERATOR_CREATE
|
|
0001 YIELD null
|
|
0002 YIELD_FROM array(...)
|
|
0003 GENERATOR_RETURN null
|
|
NULL
|
|
3
|