{"id":6140,"date":"2023-09-16T10:00:00","date_gmt":"2023-09-16T01:00:00","guid":{"rendered":"https:\/\/tetraup.com\/feed\/?p=6140"},"modified":"2025-07-27T16:08:41","modified_gmt":"2025-07-27T07:08:41","slug":"php-part8","status":"publish","type":"post","link":"https:\/\/tetraup.com\/news_topics\/column\/php-part8\/","title":{"rendered":"\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u3067\u3082\u77e5\u3089\u306a\u3044\u3068\u30e4\u30d0\u30a4PHP\u3000Part8\u301c\u6761\u4ef6\u5206\u5c90\u306b\u3064\u3044\u3066\u7406\u89e3\u3057\u3088\u3046\u301c"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n

\u524d\u56de<\/a>\u306fPHP\u306e\u914d\u5217\u306b\u3064\u3044\u3066\u8aac\u660e\u3044\u305f\u3057\u307e\u3057\u305f\u3002\u4eca\u56de\u306fPHP\u306e\u6761\u4ef6\u5206\u5c90\uff08if\u6587\uff09\u306b\u3064\u3044\u3066\u8aac\u660e\u3044\u305f\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\u7121\u6599\u4f53\u9a13\u6388\u696d\u306e\u304a\u7533\u8fbc\u307f\u306f\u30b3\u30c1\u30e9<\/a><\/div>
\n\n\n\n

\u6761\u4ef6\u5206\u5c90\u3068\u306f<\/h2>\n\n\n\n

\u6761\u4ef6\u5206\u5c90\u3068\u306f\u300c\u3042\u308b\u6761\u4ef6\u304c\u6e80\u305f\u3055\u308c\u308b\uff08\u8ad6\u7406\u5024\u3067true\u3060\u3063\u305f\uff09\u304b\u3069\u3046\u304b\u306b\u3088\u3063\u3066\u3001\u6b21\u306b\u5b9f\u884c\u3059\u308b\u51e6\u7406\u3092\u5909\u5316\u3055\u305b\u308b<\/strong>\u300d\u3053\u3068\u3067\u3059\u3002PHP\u3067\u8a18\u8ff0\u3059\u308b\u5834\u5408\u306fif\u6587\u3068\u3044\u3046\u8a18\u6cd5\u3092\u7528\u3044\u307e\u3059\u3002\u57fa\u672c\u7684\u306a\u66f8\u304d\u65b9\u306f\u6b21\u306e\u69d8\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

<\/circle><\/circle><\/circle><\/g><\/svg><\/span><\/path><\/path><\/svg><\/span>
<?php<\/span><\/span>\nif<\/span>(\u6761\u4ef6){<\/span><\/span>\n\u3000\u3000\u6761\u4ef6\u304c\u5f53\u3066\u306f\u307e\u308b\u5834\u5408\u306e\u51e6\u7406<\/span><\/span>\n}<\/span><\/span>\n?><\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u6b21\u304b\u3089\u8a73\u3057\u304f\u307f\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
\u6761\u4ef6\u5206\u5c90\u306e\u4f5c\u6210\u65b9\u6cd5<\/h2>\n\n\n\n
\u5177\u4f53\u4f8b\u3092\u307f\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002\u65b0\u3057\u3044php\u30d5\u30a1\u30a4\u30eb\u3092\u7528\u610f\u3057\u3066<\/p>\n\n\n\n
<\/circle><\/circle><\/circle><\/g><\/svg><\/span><\/path><\/path><\/svg><\/span>
<?php<\/span><\/span>\n$a<\/span> = <\/span>1<\/span>;<\/span><\/span>\nif<\/span>(<\/span>$a<\/span> == <\/span>1<\/span>){<\/span><\/span>\n  <\/span>print<\/span>(<\/span>'a\u306f1\u3067\u3059\u3002'<\/span>);<\/span><\/span>\n}<\/span><\/span>\n?><\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u3068\u5165\u529b\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u5165\u529b\u7d42\u4e86\u5f8c\u30d6\u30e9\u30a6\u30b6\u306b\u8868\u793a\uff08\u30d6\u30e9\u30a6\u30b6\u306e\u8868\u793a\u65b9\u6cd5\u306f\u3053\u3061\u3089<\/a>\uff09\u3055\u305b\u305f\u5834\u5408\u300ca\u306f1\u3067\u3059\u3002\u300d\u3068\u8868\u793a\u3055\u308c\u308b\u306f\u305a\u3067\u3059\u3002\u3053\u308c\u306f$a == 1\u306e\u6761\u4ef6\u5f0f\u304c\u6b63\u3057\u3044\uff08true\uff09\u305f\u3081\u3001print\u95a2\u6570\u304c\u5b9f\u884c\u3055\u308c\u3066\u304a\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u8a18\u5165\u3057\u3066\u3044\u308b\u30a4\u30b3\u30fc\u30eb2\u3064\uff08==\uff09\u3067\u3059\u304c\u3001\u8ad6\u7406\u578b\uff08true\u3001false\uff09\u3092\u8fd4\u3059\u6f14\u7b97\u5b50\u3068\u306a\u308a\u307e\u3059\u3002
\u3067\u306f\u6b21\u306b<\/p>\n\n\n\n
<\/circle><\/circle><\/circle><\/g><\/svg><\/span><\/path><\/path><\/svg><\/span>
<?php<\/span><\/span>\n$a<\/span> = <\/span>1<\/span>;<\/span><\/span>\nif<\/span>(<\/span>$a<\/span> == <\/span>2<\/span>){<\/span><\/span>\n  <\/span>print<\/span>(<\/span>'a\u306f2\u3067\u3059\u3002'<\/span>);<\/span><\/span>\n}<\/span><\/span>\n?><\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u3068\u5165\u529b\u3057\u3066\u30d6\u30e9\u30a6\u30b6\u306b\u518d\u5ea6\u53cd\u6620\u3055\u305b\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u6050\u3089\u304f\u4eca\u5ea6\u306f\u8868\u793a\u3055\u308c\u306a\u3044\u3068\u601d\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u5909\u6570a\u306b1\u304c\u4ee3\u5165\u3055\u308c\u3066\u3044\u308b\u72b6\u614b\u3067\u3001$a == 2\u306e\u6761\u4ef6\u5f0f\u304c\u6b63\u3057\u304f\u306a\u3044\uff08false\uff09\u305f\u3081\u3001print\u95a2\u6570\u304c\u5b9f\u884c\u3055\u308c\u306a\u304b\u3063\u305f\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
if\u6587\u306e\u6761\u4ef6\u306b\u95a2\u3057\u3066\uff08true\/false\uff09<\/h2>\n\n\n\n
\u3055\u3066\u3001\u3053\u3053\u3067if\u6587\u3067\u306e\u300c\u6761\u4ef6\u300d\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002\u3053\u306e\u6761\u4ef6\u3067\u3059\u304c\u3001\u5224\u5b9a\u306f\u8ad6\u7406\u578b\uff08Boolean\uff09\u3067\u5b9f\u884c\u3044\u305f\u3057\u307e\u3059\uff08Boolean\u306e\u8aac\u660e\u306f\u3053\u3061\u3089<\/a>\uff09\u3002\u6761\u4ef6\u3092\u5b9f\u884c\u3057\u305f\u7d50\u679c\u304ctrue\uff08\u6b63\u3057\u3044\uff09\u306e\u5834\u5408{ }\uff08\u30ab\u30fc\u30ea\u30fc\u30d6\u30e9\u30b1\u30c3\u30c8\uff09\u306e\u4e2d\u304c\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002\u6761\u4ef6\u306e\u5b9f\u884c\u7d50\u679c\u304cfalse\uff08\u6b63\u3057\u304f\u306a\u3044\uff09\u306e\u5834\u5408\u3001{ }\u306e\u4e2d\u306e\u51e6\u7406\u306f\u5b9f\u884c\u3055\u308c\u307e\u305b\u3093\u3002\u8a66\u3057\u306b\u6b21\u3092\u5b9f\u884c\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n
<\/circle><\/circle><\/circle><\/g><\/svg><\/span><\/path><\/path><\/svg><\/span>
<?php<\/span><\/span>\n$a<\/span> = <\/span>true<\/span>;<\/span><\/span>\nif<\/span>(<\/span>$a<\/span>){<\/span><\/span>\n  <\/span>print<\/span>(<\/span>'true\u3067\u3059\u3002'<\/span>);<\/span><\/span>\n}<\/span><\/span>\n?><\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u300ctrue\u3067\u3059\u3002\u300d\u3068\u30d6\u30e9\u30a6\u30b6\u306b\u8868\u793a\u3055\u308c\u308b\u3068\u601d\u3044\u307e\u3059\u3002\u6b21\u306f<\/p>\n\n\n\n
<\/circle><\/circle><\/circle><\/g><\/svg><\/span><\/path><\/path><\/svg><\/span>
<?php<\/span><\/span>\n$a<\/span> = <\/span>false<\/span>;<\/span><\/span>\nif<\/span>(<\/span>$a<\/span>){<\/span><\/span>\n  <\/span>print<\/span>(<\/span>'false\u3067\u3059\u3002'<\/span>);<\/span><\/span>\n}<\/span><\/span>\n?><\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u3053\u3061\u3089\u306f\u3044\u304b\u304c\u3067\u3057\u3087\u3046\u3002\u4eca\u5ea6\u306f\u8868\u793a\u3055\u308c\u306a\u3044\u304b\u3068\u601d\u3044\u307e\u3059\u3002\u5909\u6570a\u306bfalse\u304c\u4ee3\u5165\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001if\u6587\u3067\u8a18\u8f09\u3057\u3066\u3044\u308b( )\u5185\u306e\u6761\u4ef6\u306ffalse\u3068\u306a\u308a\u307e\u3059\u3002
\u3067\u306f\u3001\u6b21\u306f\u3069\u3046\u3067\u3057\u3087\u3046\uff1f<\/p>\n\n\n\n
<\/circle><\/circle><\/circle><\/g><\/svg><\/span><\/path><\/path><\/svg><\/span>
<?php<\/span><\/span>\n$a<\/span> = <\/span>false<\/span>;<\/span><\/span>\nif<\/span>(<\/span>$a<\/span> == <\/span>false<\/span>){<\/span><\/span>\n  <\/span>print<\/span>(<\/span>'false\u3067\u3059\u3002'<\/span>);<\/span><\/span>\n}<\/span><\/span>\n?><\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u4eca\u5ea6\u306f\u300cfalse\u3067\u3059\u3002\u300d\u3068\u8868\u793a\u3055\u308c\u308b\u304b\u3068\u601d\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u5909\u6570a\u306bfalse\u304c\u683c\u7d0d\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001if\u6587\u5185\u306e\u6761\u4ef6\u3067\u3042\u308b$a == false\u306f\u6b63\u3057\u3044\uff08true\uff09\u3067\u3059\u306d\u3002\u5f93\u3063\u3066\u3001\u6761\u4ef6\u5f0f\u5185\u304ctrue\u306e\u305f\u3081\u3001{ }\u5185\u306eprint\u95a2\u6570\u304c\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002
\u3067\u306f\u6b21\u306f\u3069\u3046\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n\n\n\n
<\/circle><\/circle><\/circle><\/g><\/svg><\/span><\/path><\/path><\/svg><\/span>
<?php<\/span><\/span>\nif<\/span>(<\/span>0<\/span>){<\/span><\/span>\n  <\/span>print<\/span>(<\/span>'\u6761\u4ef6\u5f0f\u306e\u4e2d\u306f0\u3067\u3059\u3002'<\/span>);<\/span><\/span>\n}<\/span><\/span>\n?><\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u4ed6\u306b\u3082””\uff08\u7a7a\u306e\u6587\u5b57\u5217\uff09\u306a\u3069\u306e\u8ad6\u7406\u578b\u3067\u8aac\u660e\u3057\u305ffalse\u306b\u8a72\u5f53\u3059\u308b\u8ad6\u7406\u578b\u304c\u6761\u4ef6\u5f0f\u306b\u5165\u3063\u3066\u3044\u308b\u5834\u5408\u3001if\u6587\u306e{ }\u5185\u306e\u51e6\u7406\u306f\u5b9f\u884c\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n
\u6761\u4ef6\u5f0f\u304cfalse\u3067\u306e\u51e6\u7406\uff08! \u30d3\u30c3\u30af\u30ea\u30de\u30fc\u30af\u30fb\u30a8\u30af\u30b9\u30af\u30e9\u30e1\u30fc\u30b7\u30e7\u30f3\u30de\u30fc\u30af\uff09<\/h2>\n\n\n\n
\u5148\u307b\u3069\u306f\u6761\u4ef6\u5f0f\u304ctrue\u306e\u6642\u306e\u8aac\u660e\u3092\u3044\u305f\u3057\u307e\u3057\u305f\u3002\u3067\u306f\u3001\u6761\u4ef6\u5f0f\u304cfalse\uff08true\u300c\u4ee5\u5916\u300d\uff09\u306e\u5834\u5408\u3067\u3082\u51e6\u7406\u3092\u3057\u305f\u3044\u5834\u5408\u306f\u3069\u306e\u3088\u3046\u306b\u3059\u308c\u3070\u3088\u3044\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u3053\u306e\u5834\u5408\u3001\u6761\u4ef6\u5f0f\u306e\u5148\u982d\u306b\u300c!\uff08\u30d3\u30c3\u30af\u30ea\u30de\u30fc\u30af\u30fb\u30a8\u30af\u30b9\u30af\u30e9\u30e1\u30fc\u30b7\u30e7\u30f3\u30de\u30fc\u30af\uff09\u300d\u3092\u5165\u529b\u3059\u308c\u3070\u51e6\u7406\u304c\u5b9f\u884c\u3055\u308c\u307e\u3059\uff08\u534a\u89d2\u6587\u5b57\u3067\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\uff09\u3002
PHP\u3067\u306e\u300c!\u300d\u306f\u3001\u8ad6\u7406\u6f14\u7b97\u5b50\u306e\u300c\u5426\u5b9a\u300d\u3092\u8868\u3057\u307e\u3059\u3002\u5177\u4f53\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
<\/circle><\/circle><\/circle><\/g><\/svg><\/span><\/path><\/path><\/svg><\/span>
<?php<\/span><\/span>\n$score<\/span> = <\/span>1<\/span>;<\/span><\/span>\nif<\/span>(!(<\/span>$score<\/span> == <\/span>100<\/span>)){<\/span><\/span>\n  <\/span>print<\/span>(<\/span>"\u5909\u6570score\u306f100\u3067\u306f\u3042\u308a\u307e\u305b\u3093"<\/span>);<\/span><\/span>\n}<\/span><\/span>\n?><\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u3053\u306e\u5834\u5408\u3001if\u6587\u306e\u51e6\u7406\u306f\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002$score\u306b1\u304c\u4ee3\u5165\u3055\u308c\u3066\u3044\u308b\u305f\u3081$score == 100\u306ffalse\u3067\u3059\u304c\u3001!($score == 100)\u3068\u3059\u308b\u3053\u3068\u3067($score == 100)\u306efalse\u3092\u300c!\u300d\u3067\u5426\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002\u3064\u307e\u308a!($score == 100)\u3068\u8a18\u8f09\u3059\u308b\u3053\u3068\u3067\u3053\u3053\u306ftrue\u306b\u306a\u308a\u3001if\u6587\u306e\u4e2d\u306eprint\u95a2\u6570\u304c\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n
\u6761\u4ef6\u304ctrue\/false\u3067\u306e\u51e6\u7406\uff08else\uff09<\/h2>\n\n\n\n
\u3053\u308c\u307e\u3067\u306f\u300c\u3042\u308b\u6761\u4ef6\u304c\u6e80\u305f\u3055\u308c\u308b\u5834\u5408(true)\u300d\u3060\u3051\u306e\u51e6\u7406\u3092\u300c!\u300d\u3082\u542b\u3081\u3066\u8aac\u660e\u3044\u305f\u3057\u307e\u3057\u305f\u3002\u3067\u306f\u300c\u3042\u308b\u6761\u4ef6\u304c\u6e80\u305f\u3055\u308c\u305f\u5834\u5408\u3068\u6e80\u305f\u3055\u308c\u306a\u304b\u3063\u305f\u5834\u5408\u306e\u51e6\u7406\u300d\u306e2\u30d1\u30bf\u30fc\u30f3\u306e\u5206\u5c90\u3092\u3059\u308b\u51e6\u7406\u306f\u3069\u3046\u3059\u308c\u3070\u3088\u3044\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u305d\u306e\u5834\u5408\u300celse\u300d\u3092\u7528\u3044\u307e\u3059\u3002\u57fa\u672c\u7684\u306a\u66f8\u304d\u65b9\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n
<\/circle><\/circle><\/circle><\/g><\/svg><\/span><\/path><\/path><\/svg><\/span>
<?php<\/span><\/span>\nif<\/span>(\u6761\u4ef6){<\/span><\/span>\n  \u6761\u4ef6\u304c\u6e80\u305f\u3055\u308c\u305f\u5834\u5408\u306e\u51e6\u7406<\/span><\/span>\n} <\/span>else<\/span> {<\/span><\/span>\n  \u6761\u4ef6\u304c\u6e80\u305f\u3055\u308c\u306a\u304b\u3063\u305f\u5834\u5408\u306e\u51e6\u7406<\/span><\/span>\n}<\/span><\/span>\n?><\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u4e0a\u8a18\u306e\u901a\u308a\u3001\u6761\u4ef6\u304c\u6e80\u305f\u3055\u308c\u305f\u5834\u5408\u306e\u51e6\u7406\u306e\u5f8c\u308d\u306b else { \u6761\u4ef6\u304c\u6e80\u305f\u3055\u308c\u306a\u304b\u3063\u305f\u5834\u5408\u306e\u51e6\u7406 }<\/strong>\u3092\u8ffd\u52a0\u3059\u308c\u3070OK\u3067\u3059\u3002\u5177\u4f53\u4f8b\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
<\/circle><\/circle><\/circle><\/g><\/svg><\/span><\/path><\/path><\/svg><\/span>
<?php<\/span><\/span>\n$score<\/span> = <\/span>70<\/span>;<\/span><\/span>\nif<\/span>(<\/span>$score<\/span> >= <\/span>75<\/span>){<\/span><\/span>\n  <\/span>print<\/span>(<\/span>'score\u306f75\u4ee5\u4e0a\u3067\u3059'<\/span>);<\/span><\/span>\n} <\/span>else<\/span> {<\/span><\/span>\n  <\/span>print<\/span>(<\/span>'score\u306f75\u672a\u6e80\u3067\u3059'<\/span>);<\/span><\/span>\n}<\/span><\/span>\n?><\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u3053\u306e\u5834\u5408\u306felse\u5f8c\u306e\u51e6\u7406\u304c\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002$score\u306b70\u304c\u4ee3\u5165\u3055\u308c\u3066\u304a\u308a\u3001$score >= 75\u306ffalse\u3068\u306a\u308a\u307e\u3059\u3002\u3061\u306a\u307f\u306b$score\u306b75\u4ee5\u4e0a\u306e\u6570\u5024\uff08integer\uff09\u3092\u4ee3\u5165\u3059\u308c\u3070\u6761\u4ef6\u5f0f\u304ctrue\u3068\u306a\u308a\u3001print(‘score\u306f75\u4ee5\u4e0a\u3067\u3059’)\u304c\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n
\u7121\u6599\u4f53\u9a13\u6388\u696d\u306e\u304a\u7533\u8fbc\u307f\u306f\u30b3\u30c1\u30e9<\/a><\/div>
\n\n\n\n
3\u3064\u4ee5\u4e0a\u306e\u6761\u4ef6\u5206\u5c90\uff08else if(){}else{}\uff09<\/h2>\n\n\n\n
\u3055\u3066\u3001\u3053\u308c\u307e\u3067\u306f\u300c\u6761\u4ef6\u304c\u6e80\u305f\u3055\u308c\u305f\u5834\u5408\u306e\u51e6\u7406\u306e\u5b9f\u884c\u300d\u300c\u6761\u4ef6\u304c\u6e80\u305f\u3055\u308c\u305f\u5834\u5408\u3001\u307e\u305f\u306f\u6e80\u305f\u3055\u308c\u306a\u304b\u3063\u305f\u5834\u5408\u300d\u306eif\u6587\u3092\u3054\u7d39\u4ecb\u3057\u3066\u304d\u307e\u3057\u305f\u3002
\u6b21\u306f\u300c\u6761\u4ef6\u304c3\u3064\u4ee5\u4e0a\u3042\u3063\u305f\u5834\u5408\uff08\u8907\u6570\u6761\u4ef6\uff09\u306e\u6761\u4ef6\u5206\u5c90\u300d\u3092\u3054\u7d39\u4ecb\u3044\u305f\u3057\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001else if(){}else{}\u3092\u7528\u3044\u307e\u3059\u3002\u57fa\u672c\u7684\u306a\u66f8\u304d\u65b9\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n
<\/circle><\/circle><\/circle><\/g><\/svg><\/span><\/path><\/path><\/svg><\/span>
<?php<\/span><\/span>\nif<\/span>(\u6761\u4ef61){<\/span><\/span>\n  \u6761\u4ef61\u304c\u6e80\u305f\u3055\u308c\u308b\u5834\u5408\u306e\u51e6\u7406;<\/span><\/span>\n} <\/span>else<\/span> <\/span>if<\/span>(\u6761\u4ef62){<\/span><\/span>\n  \u6761\u4ef62\u304c\u6e80\u305f\u3055\u308c\u308b\u5834\u5408\u306e\u51e6\u7406;<\/span><\/span>\n} <\/span>else<\/span> {<\/span><\/span>\n  \u6761\u4ef61\u3082\u6761\u4ef62\u3082\u6e80\u305f\u3055\u308c\u306a\u304b\u3063\u305f\u5834\u5408\u306e\u51e6\u7406;<\/span><\/span>\n}<\/span><\/span>\n?><\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u4eca\u56de\u306f3\u3064\u306e\u6761\u4ef6\u3067\u3054\u7d39\u4ecb\u3057\u307e\u3057\u305f\u304c\u3001else if(){}else if(){}…\u3068\u7e4b\u3052\u308b\u3053\u3068\u3067\u3001\u6761\u4ef6\u3092\u3044\u304f\u3064\u3067\u3082\u8ffd\u52a0\u3057\u3066\u3044\u304f\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002\u3067\u306f\u5177\u4f53\u4f8b\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
<\/circle><\/circle><\/circle><\/g><\/svg><\/span><\/path><\/path><\/svg><\/span>
<?php<\/span><\/span>\n$score<\/span> = <\/span>55<\/span>;<\/span><\/span>\nif<\/span>(<\/span>$score<\/span> >= <\/span>80<\/span>){<\/span><\/span>\n  <\/span>print<\/span>(<\/span>'\u512a'<\/span>);<\/span><\/span>\n} <\/span>else<\/span> <\/span>if<\/span>(<\/span>$score<\/span> >= <\/span>70<\/span>){<\/span><\/span>\n  <\/span>print<\/span>(<\/span>'\u826f'<\/span>);<\/span><\/span>\n} <\/span>else<\/span> <\/span>if<\/span>(<\/span>$score<\/span> >= <\/span>60<\/span>){<\/span><\/span>\n  <\/span>print<\/span>(<\/span>'\u53ef'<\/span>);<\/span><\/span>\n} <\/span>else<\/span> {<\/span><\/span>\n  <\/span>print<\/span>(<\/span>'\u4e0d\u53ef'<\/span>);<\/span><\/span>\n}<\/span><\/span>\n?><\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u3053\u306e\u5834\u5408\u300c\u4e0d\u53ef\u300d\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u4eca\u56de\u306e\u6761\u4ef6\u306f<\/p>\n\n\n\n
\u3053\u3061\u3089\u306f…\u5b9f\u306f\u8868\u793a\u3055\u308c\u307e\u305b\u3093\u3002\u3053\u308c\u306f\u8ad6\u7406\u578b\uff08\u3053\u3061\u3089<\/a>\uff09\u3067\u8aac\u660e\u3057\u307e\u3057\u305f\u304c\u3001\u300c0\uff08integer\uff09\u300d\u306f\u8ad6\u7406\u5024\u3067\u306ffalse\u304c\u8fd4\u5374\u3055\u308c\u307e\u3059<\/strong>\u3002\u5f93\u3063\u3066\u3001\u6761\u4ef6\u3082false\u304c\u683c\u7d0d\u3055\u308c\u3001print\u95a2\u6570\u304c\u5b9f\u884c\u3055\u308c\u306a\u304f\u306a\u308a\u307e\u3059\u3002
<\/p>\n\n\n\n