\u4e00\u5ea6\u306b\u8907\u6570\u306e\u6307\u5b9a\u3092\u884c\u3046\u30b0\u30eb\u30fc\u30d4\u30f3\u30b0\u304c\u53ef\u80fd<\/li><\/ul>\n\n\n\n2\u756a\u76ee\u306e\u70b9\u306b\u3064\u3044\u3066\u3001@@attr(\u201cfoo\u201d) @@attr(\u201cbar\u201d) \u306e\u3088\u3046\u306a\u8a18\u8ff0\u306f\u3001\u65b0\u69cb\u6587\u3067\u306f\u3001<\/p>\n\n\n\n
#[attr(\u201cfoo\u201d)] #attr(\u201cbar\u201d)] \u3068\u306a\u308a\u307e\u3059\u304c\u3001\u30b0\u30eb\u30fc\u30d4\u30f3\u30b0\u3092\u884c\u3046\u3068\u3001<\/p>\n\n\n\n
#[attr(\u201cfoo\u201d), attr(\u201cbar\u201d)] \u306e\u3088\u3046\u306b\u30ab\u30f3\u30de\u3067\u3064\u306a\u3052\u3066\u4e00\u7d44\u306e\u30c7\u30ea\u30df\u30bf\u306e\u4e2d\u306b\u8907\u6570\u306e\u5c5e\u6027\u3092\u8a18\u8ff0\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
\u6587\u5b57\u5217\u90e8\u5206\u4e00\u81f4\u78ba\u8a8d\u7528\u95a2\u6570\u306e\u5c0e\u5165<\/h1>\n\n\n\n
\u3000\u3042\u308b\u6587\u5b57\u5217\u306b\u7279\u5b9a\u306e\u6587\u5b57\u5217\u304c\u542b\u307e\u308c\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306e\u95a2\u6570str_contains()\u304c\u5c0e\u5165\u3055\u308c\u307e\u3057\u305f\u3002\u5f93\u6765\u3001\u540c\u7a2e\u306e\u7528\u9014\u3067\u306f\u3001\u3088\u308a\u6c4e\u7528\u306e\u95a2\u6570\u3067\u3042\u308bstrpos()\u3084strstr()\u304c\u4f7f\u7528\u3055\u308c\u3066\u304d\u307e\u3057\u305f\u304c\u3001\u5c02\u7528\u306e\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3088\u308a\u30b7\u30f3\u30d7\u30eb\u3067\u5206\u304b\u308a\u3084\u3059\u3044\u8a18\u8ff0\u304c\u53ef\u80fd\u3068\u306a\u308a\u307e\u3059\u3002\u69cb\u6587\u306f\u3001str_containts(\u6587\u5b57\u5217,\u6307\u5b9a\u6587\u5b57\u5217) \u3067\u3042\u308a\u3001\u6587\u5b57\u5217\u306e\u4e2d\u306b\u6307\u5b9a\u6587\u5b57\u5217\u304c\u5b58\u5728\u3059\u308b\u5834\u5408\u306ftrue\u304c\u8fd4\u3055\u308c\u307e\u3059\u3002\u307e\u305f\u3001\u540c\u69d8\u306e\u95a2\u6570\u3068\u3057\u3066str_starts_with()\u3001str_ends_with()\u3082\u8ffd\u52a0\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u3061\u3089\u306f\u3001\u305d\u308c\u305e\u308c\u3001\u6587\u5b57\u5217\u304c\u6307\u5b9a\u6587\u5b57\u5217\u3067\u59cb\u307e\u308b\u5834\u5408\u3001\u307e\u305f\u306f\u7d42\u308f\u308b\u5834\u5408\u306btrue\u3092\u8fd4\u3057\u307e\u3059\u3002\u7c21\u5358\u306a\u4f7f\u7528\u4f8b\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
--<\/p>\n\n\n\n
<?php<\/p>\n\n\n\n
$s=\"\u6771\u4eac\u7279\u8a31\u8a31\u53ef\u5c40\";<\/p>\n\n\n\n
var_dump(str_contains($s,\"\u7279\u8a31\")); \/\/ bool(true)<\/p>\n\n\n\n
var_dump(str_starts_with($s,\"\u6771\u4eac\")); \/\/ bool(true)<\/p>\n\n\n\n
var_dump(str_ends_with($s,\"\u8a31\u53ef\u5c40\")); \/\/ bool(true)<\/p>\n\n\n\n
--<\/p>\n\n\n\n
\u3053\u306e\u95a2\u6570\u306f\u3001\u30b7\u30f3\u30b0\u30eb\u30d0\u30a4\u30c8\u6587\u5b57\u5217\u3001\u30de\u30eb\u30c1\u30d0\u30a4\u30c8\u6587\u5b57\u5217\u3092\u554f\u308f\u305a\u4f7f\u7528\u53ef\u80fd\u3067\u3059\u3002\u3053\u306e\u305f\u3081\u3001mb_str_containts()\u306e\u3088\u3046\u306a\u30de\u30eb\u30c1\u30d0\u30a4\u30c8\u6587\u5b57\u7528\u306e\u95a2\u6570\u306f\u5b9a\u7fa9\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n
\u30cc\u30eb\u30bb\u30fc\u30d5\u6f14\u7b97\u5b50<\/h1>\n\n\n\n
\u3000PHP\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u306f\u3001\u5909\u6570\u3084\u623b\u308a\u5024\u306e\u5024\u304c\u5916\u90e8\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u60c5\u5831\u3084\u30e6\u30fc\u30b6\u5165\u529b\u306b\u4f9d\u5b58\u3057\u3066\u304a\u308a\u3001\u30af\u30e9\u30b9\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3084\u30e1\u30bd\u30c3\u30c9\u306e\u623b\u308a\u5024\u304c\u30cc\u30eb\u3067\u306a\u3044\u304b\u3092\u78ba\u8a8d\u3059\u308b\u51e6\u7406\u304c\u5fc5\u8981\u3068\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30af\u30e9\u30b9\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
--<\/p>\n\n\n\n
<?php<\/p>\n\n\n\n
class moo { public $d=123;}<\/p>\n\n\n\n
class foo {<\/p>\n\n\n\n
public function get() {<\/p>\n\n\n\n
return new moo();<\/p>\n\n\n\n
}<\/p>\n\n\n\n
}<\/p>\n\n\n\n
$b = new foo();<\/p>\n\n\n\n
--<\/p>\n\n\n\n
\u3000foo\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3001get\u30e1\u30bd\u30c3\u30c9\u306e\u623b\u308a\u5024\u3001\u30d7\u30ed\u30d1\u30c6\u30a3d\u306e\u305d\u308c\u305e\u308c\u304c\u30cc\u30eb\u306b\u306a\u308b\u53ef\u80fd\u6027\u3092\u8003\u616e\u3059\u308b\u3068\u3001\u30d7\u30ed\u30d1\u30c6\u30a3d\u3092\u51fa\u529b\u3059\u308b\u30b3\u30fc\u30c9\u306f\u4f8b\u3048\u3070\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
--<\/p>\n\n\n\n
if ($b!==null) {<\/p>\n\n\n\n
$a=$b->get();<\/p>\n\n\n\n
if ($a!==null) {<\/p>\n\n\n\n
$d=$a->d;<\/p>\n\n\n\n
}<\/p>\n\n\n\n
}<\/p>\n\n\n\n
echo $d; \/\/ 123<\/p>\n\n\n\n
--<\/p>\n\n\n\n
PHP 8.0\u304b\u3089\u5c0e\u5165\u3055\u308c\u308b\u30cc\u30eb\u30bb\u30fc\u30d5\u69cb\u6587(?->)\u3067\u306f\u3001\u5024\u3092\u53d6\u5f97\u3059\u308b\u969b\u306b\u30cc\u30eb\u306e\u78ba\u8a8d\u304c\u81ea\u52d5\u7684\u306b\u884c\u308f\u308c\u3001\u5f0f\u5168\u4f53\u304c\u30cc\u30eb\u3068\u3057\u3066\u8a55\u4fa1\u3055\u308c\u307e\u3059\u3002\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u7c21\u7565\u5316\u3057\u3066\u8a18\u8ff0\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
echo $b?->get()?->d;<\/p>\n\n\n\n
match\u5f0f<\/h1>\n\n\n\n
PHP 8.0\u3067\u306f\u3001switch\u6587\u3092\u3088\u308a\u7c21\u4fbf\u306b\u8a18\u8ff0\u3067\u304d\u308bmatch\u5f0f\u304c\u5c0e\u5165\u3055\u308c\u307e\u3059\u3002switch\u6587\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5909\u6570\u306e\u8907\u6570\u306e\u5024\u306b\u5fdc\u3058\u3066\u51e6\u7406\u3092\u5206\u5c90\u3059\u308b\u969b\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n
--<\/p>\n\n\n\n
<?php<\/p>\n\n\n\n
$id = 1;<\/p>\n\n\n\n
switch ($id) {<\/p>\n\n\n\n
case 0:<\/p>\n\n\n\n
$name = 'Taro';<\/p>\n\n\n\n
break;<\/p>\n\n\n\n
case 1:<\/p>\n\n\n\n
$name = 'Jiro';<\/p>\n\n\n\n
break;<\/p>\n\n\n\n
case 2:<\/p>\n\n\n\n
\u3000\u3000case 3:<\/p>\n\n\n\n
$name = 'Hanako';<\/p>\n\n\n\n
break;<\/p>\n\n\n\n
default:<\/p>\n\n\n\n
$name = \u201cAnonymous\u201d;<\/p>\n\n\n\n
break;<\/p>\n\n\n\n
}<\/p>\n\n\n\n
echo $name;<\/p>\n\n\n\n
--<\/p>\n\n\n\n
\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u306f\u30b7\u30f3\u30d7\u30eb\u306a\u4f8b\u3067\u3059\u304c\u3001\u8907\u96d1\u306a\u30b3\u30fc\u30c9\u306b\u306a\u308b\u3068\u3001\u5404\u30b1\u30fc\u30b9\u306e\u6700\u5f8c\u306ebreak\u6587\u3092\u5fd8\u308c\u305f\u308a\u3001\u51fa\u529b\u5909\u6570(\u3053\u306e\u5834\u5408\u306f$name)\u3078\u306e\u4ee3\u5165\u3092\u5fd8\u308c\u305f\u308a\u3059\u308b\u30b1\u30fc\u30b9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
match\u5f0f\u3092\u4f7f\u7528\u3059\u308b\u3068\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30b7\u30f3\u30d7\u30eb\u306a\u30b3\u30fc\u30c9\u306b\u7f6e\u304d\u63db\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
--<\/p>\n\n\n\n
$id=1;<\/p>\n\n\n\n
echo match($id) {0=>'Taro',1=>'Jiro',2,3=>'Hanako', default=>'Anonymous\u2019};<\/p>\n\n\n\n
--<\/p>\n\n\n\n
match\u5f0f\u3067\u306f\u3001\u300c\u5f0f\u306e\u5024=>\u5024\u300d\u306e\u5f62\u3067\u95a2\u4fc2\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002\u5f0f\u306e\u5024\u306f\u8907\u6570\u306e\u5024\u3092\u30ab\u30f3\u30de\u3067\u533a\u5207\u3063\u3066\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u5024\u306b\u306f\u5f0f\u3084\u95a2\u6570\u3092\u8a18\u8ff0\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n
mixed\u578b\u306e\u5c0e\u5165<\/h1>\n\n\n\n
PHP 8\u3067\u306f\u3001union\u578b\u306e\u4ed6\u306b\u3001PHP\u306e\u3042\u3089\u3086\u308b\u5909\u6570\u578b\u3092\u8868\u3059\u6c4e\u7528\u306e\u578b\u540d\u3068\u3057\u3066mixed\u578b\u304c\u5c0e\u5165\u3055\u308c\u307e\u3059\u3002mixed\u306f\u3001array\u3001bool\u3001callable\u3001int\u3001float\u3001null\u3001object\u3001resource\u3001string\u306e\u3069\u308c\u304b\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u307e\u3059\u3002mixed\u306b\u306fnull\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001?mixed\u3068\u3044\u3046\u8868\u73fe\u306f\u5b9f\u8cea\u7684\u306bmixed\u3068\u540c\u3058\u610f\u5473\u3068\u306a\u308a\u307e\u3059\u3002mixed\u306f\u5f93\u6765\u3001PHP\u30de\u30cb\u30e5\u30a2\u30eb\u7b49\u3067\u4efb\u610f\u306e\u578b\u3092\u8868\u3059\u578b\u540d\u3068\u3057\u3066\u4f7f\u7528\u3055\u308c\u3066\u304d\u307e\u3057\u305f\u304c\u3001\u4eca\u56de\u3001\u5b9f\u969b\u306bPHP\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u4f7f\u7528\u53ef\u80fd\u306b\u306a\u3063\u305f\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\u3000Mixed\u306f\u95a2\u6570(\u30e1\u30bd\u30c3\u30c9)\u306e\u5f15\u6570\u304a\u3088\u3073\u623b\u308a\u5024\u306b\u304a\u3051\u308b\u578b\u6307\u5b9a\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u304a\u3051\u308b\u578b\u6307\u5b9a\u3067\u6307\u5b9a\u53ef\u80fd\u3067\u3059\u3002\u4e00\u65b9\u3001mixed\u306f\u3001(mixed)$foo\u306e\u3088\u3046\u306b\u578b\u30ad\u30e3\u30b9\u30c8\u3067\u306f\u4f7f\u7528\u3067\u304d\u307e\u305b\u3093\u3002\u4ee5\u4e0b\u306e\u7c21\u5358\u306a\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
--<\/p>\n\n\n\n
<?php<\/p>\n\n\n\n
class A {<\/p>\n\n\n\n
public mixed $bar; <\/p>\n\n\n\n
public function foo(int $value): mixed {}<\/p>\n\n\n\n
}<\/p>\n\n\n\n
class B extends A {<\/p>\n\n\n\n
public mixed $bar;<\/p>\n\n\n\n
public function foo(mixed $value): int {}<\/p>\n\n\n\n
}<\/p>\n\n\n\n
--<\/p>\n\n\n\n
\u30af\u30e9\u30b9\uff22\u306f\u3001\u30af\u30e9\u30b9\uff21\u306e\u6d3e\u751f\u30af\u30e9\u30b9\u3067\u3059\u3002\u3053\u3053\u3067\u3001\u30af\u30e9\u30b9A\u3067\u306f\u30e1\u30bd\u30c3\u30c9foo\u306e\u5f15\u6570\u306fint\u3067\u3057\u305f\u304c\u3001\u30af\u30e9\u30b9\uff21\u3092\u7d99\u627f\u3059\u308b\u30af\u30e9\u30b9\uff22\u3067\u306fmixed\u3092\u4f7f\u7528\u3057\u3066\u304a\u308a\u3001\u578b\u306e\u81ea\u7531\u5ea6\u3092\u62e1\u5927\u3057\u3066\u3044\u307e\u3059\u3002\u9006\u306b\u30e1\u30bd\u30c3\u30c9foo\u306e\u623b\u308a\u5024\u306f\u3001\u30af\u30e9\u30b9A\u3067\u306fmixed\u3067\u3059\u304c\u3001\u30af\u30e9\u30b9B\u3067\u306fint\u306b\u81ea\u7531\u5ea6\u3092\u7e2e\u5c0f\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\u3053\u306e\u95a2\u4fc2\u306f\u3001PHP 7.4\u3067\u5c0e\u5165\u3055\u308c\u305f\u300c\u5171\u5909\u623b\u308a\u5024\u3068\u53cd\u5909\u30d1\u30e9\u30e1\u30fc\u30bf\u300d\uff08\u8a73\u7d30\u306f\u672c\u9023\u8f09\u306e\u7b2c9\u56de\u53c2\u7167\uff09\u306b\u76f8\u5f53\u3057\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u57fa\u672c\u6982\u5ff5\u3067\u3042\u308b\u300c\u30ea\u30b9\u30b3\u30d5\u306e\u7f6e\u63db\u539f\u7406(LSP)\u300d\u306b\u6e96\u62e0\u3057\u3066\u3044\u307e\u3059\u3002\u305f\u3001<\/p>\n\n\n\n
\u307e\u305f\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u5909\u6570$bar\u306f\u3001\u7d99\u627f\u306b\u3088\u308b\u578b\u306e\u81ea\u7531\u5ea6\u306e\u7e2e\u5c0f\u307e\u305f\u306f\u62e1\u5927\u304c\u8a31\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u3082\u30af\u30e9\u30b9A\u3001B\u3068\u3082\u306bmixed\u3068\u5ba3\u8a00\u3057\u3066\u304a\u308a\u3001\u81ea\u7531\u5ea6\u3092\u7dad\u6301\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\u3053\u3053\u3067\u3001\u4e0a\u8a18\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u66f8\u304d\u63db\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u3053\u3053\u3067\u306f\u3001foo\u30e1\u30bd\u30c3\u30c9\u306b\u304a\u3044\u3066mixed\u3068int\u306e\u95a2\u4fc2\u3092\u5165\u308c\u66ff\u3048\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u5909\u6570$bar\u306e\u578b\u3092\u5909\u66f4\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
--<\/p>\n\n\n\n
<?php<\/p>\n\n\n\n
class A {<\/p>\n\n\n\n
public int $bar; <\/p>\n\n\n\n
public function foo(mixed $value): int {}<\/p>\n\n\n\n
}<\/p>\n\n\n\n
class B extends A {<\/p>\n\n\n\n
public mixed $bar;<\/p>\n\n\n\n
public function foo(int $value): mixed {}<\/p>\n\n\n\n
}<\/p>\n\n\n\n
--<\/p>\n\n\n\n
\u3053\u306e\u5834\u5408\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5f15\u6570\u304a\u3088\u3073\u623b\u308a\u5024\u306e\u95a2\u4fc2\u306b\u95a2\u3059\u308b\u81f4\u547d\u7684\u306a\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
Fatal error: Declaration of B::foo(int $value): int must be compatible with A::foo(mixed $value): mixed in t19a.php on line 9<\/p>\n\n\n\n
Fatal error: Declaration of B::foo(mixed $value): mixed must be compatible with A::foo(int $value): int in t19a.php on line 9<\/p>\n\n\n\n
\u3000\u3053\u308c\u306f\u3001\u3053\u306e\u30b3\u30fc\u30c9\u304cLSP\u306b\u6e96\u62e0\u3057\u3066\u3044\u306a\u3044\u305f\u3081\u3067\u3059\u3002\u307e\u305f\u3001\u3053\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u5909\u6570\u306e\u578b\u3092\u5909\u66f4\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u4ee5\u4e0b\u306e\u30a8\u30e9\u30fc\u3082\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
Fatal error: Type of B::$bar must be int (as in class A) in t19a.php on line 10<\/p>\n\n\n\n
mixed\u306e\u5c0e\u5165\u306b\u3088\u308a\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3068\u3057\u3066\u306e\u81ea\u7531\u5ea6\u306f\u5411\u4e0a\u3057\u307e\u3059\u304c\u3001PHP\u30b9\u30af\u30ea\u30d7\u30c8\u306b\u304a\u3044\u3066\u306f\u578b\u6307\u5b9a\u3092\u884c\u308f\u306a\u3044\u30b1\u30fc\u30b9\u3068\u540c\u69d8\u3067\u3042\u308b\u305f\u3081\u3001\u5b9f\u969b\u306e\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306f\u9650\u5b9a\u7684\u3068\u601d\u308f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n
\u6b21\u56de\u306f\u3001PHP 8\u306b\u304a\u3044\u3066\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u904e\u53bb\u306e\u30b3\u30fc\u30c9\u3068\u306e\u4e92\u63db\u6027\u306b\u95a2\u3059\u308b\u6ce8\u610f\u4e8b\u9805\u306b\u3064\u3044\u3066\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
2020\u5e74\u3082\u590f\u304c\u7d42\u308f\u308a\u3001\u6dbc\u3057\u3052\u306a\u79cb\u304c\u3084\u3063\u3066\u304d\u3066\u3044\u307e\u3059\u3002PHP\u306e\u6b21\u671f\u30e1\u30b8\u30e3\u30fc\u30ea\u30ea\u30fc\u30b9\u3067\u3042\u308b8.0\u306e\u30ea\u30ea\u30fc\u30b9\u306b\u5411\u3051\u305f\u958b\u767a\u306f\u3044\u3088\u3044\u3088\u7d42\u76e4\u306b\u5dee\u3057\u639b\u304b ... Read more<\/a><\/p>\n","protected":false},"author":14,"featured_media":1280,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"content-type":"","footnotes":""},"categories":[15],"tags":[110],"series":[50],"journey":[99],"product":[],"class_list":["post-4025","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-php","tag-technical-guides","series-php-column-hiirokawa","journey-run","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-33","no-featured-image-padding"],"yoast_head":"\n\u5ee3\u5ddd\u985e\u6c0f\u306b\u3088\u308b\u30b3\u30e9\u30e0\u300cPHP\u306e\u6700\u65b0\u72b6\u6cc1\uff1aPHP 8.0\u30ea\u30ea\u30fc\u30b9\u5019\u88dc\u7248\u30ea\u30ea\u30fc\u30b9\uff08\u7b2c13\u56de\uff09\u300d - KUSANAGI Tech Column<\/title>\n<meta name=\"description\" content=\"PHP 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