\u3000\u79cb\u306b\u5165\u3063\u3066\u308220\u5ea6\u3092\u8d85\u3048\u308b\u65e5\u304c\u7d9a\u3044\u3066\u3044\u307e\u3057\u305f\u304c\uff0c\u5e74\u672b\u304c\u8fd1\u3065\u304d\u672c\u683c\u7684\u306b\u5bd2\u304f\u306a\u308b\u65e5\u3082\u5897\u3048\u3066\u304d\u307e\u3057\u305f\u3002PHP 8.3\u306e\u958b\u767a\u306f\u9806\u8abf\u306b\u884c\u308f\u308c\uff0c\u4e88\u5b9a\u901a\u308a\uff0c11\u670823\u65e5\uff08\u65e5\u672c\u6642\u9593\u306f11\u670824\u65e5\uff09\u306b\u6b63\u5f0f\u516c\u958b\u3055\u308c\u307e\u3057\u305f\uff0e\u672c\u9023\u8f09\u3067\u306f\uff0cPHP 8.3\u306b\u304a\u3051\u308b\u5909\u66f4\u70b9\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u3066\u304d\u307e\u3057\u305f\u304c\uff0c\u4eca\u56de\u306e\u8a18\u4e8b\u3067\u306f\uff0c\u4eca\u4e00\u5ea6\uff0c\u4ee3\u8868\u7684\u306a\u3082\u306e\u3092\u7d39\u4ecb\u3059\u308b\u3068\u3068\u3082\u306b\uff0c\u904e\u53bb\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3068\u306e\u4e92\u63db\u6027\u306b\u3064\u3044\u3066\u8a18\u8ff0\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\uff0e<\/p>\n\n\n\n
\u3000PHP 8.3\u306f\uff0cPHP 8\u306b\u304a\u3051\u308b\uff13\u56de\u76ee\u306e\u30de\u30a4\u30ca\u30fc\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u306b\u306a\u308a\uff0c\u57fa\u672c\u7684\u306a\u6a5f\u80fd\u306b\u95a2\u3059\u308b\u5909\u66f4\u70b9\u306f\u3042\u308a\u307e\u305b\u3093\u304c\uff0c\u3088\u308a\u4f7f\u3044\u3084\u3059\u304f\u3059\u308b\u3068\u3044\u3046\u610f\u5473\u3067\u306e\u6539\u826f\u304c\u884c\u308f\u308c\u3066\u3044\u307e\u3059\uff0e\u4e3b\u306a\u5909\u66f4\u70b9\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\uff0e<\/p>\n\n\n\n
- \u52d5\u7684\u5909\u6570\u3067\u53c2\u7167\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\uff0e<\/p>\n\n\n\n
\u3053\u308c\u3089\u306e\u5909\u66f4\u70b9\u306b\u3064\u3044\u3066\u306f\uff0c\u904e\u53bb\u6570\u56de\u306e\u8a18\u4e8b\u3067\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u306e\u3067\uff0c\u8a73\u7d30\u306f\u305d\u308c\u3089\u306e\u8a18\u4e8b\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\uff0e\u672c\u7a3f\u3067\u306f\uff0c\u904e\u53bb\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3068\u306e\u4e92\u63db\u6027\u306b\u95a2\u3059\u308b\u5909\u66f4\u70b9\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u307e\u3059\uff0e<\/p>\n\n\n\n
PHP\u3067\u306f\uff0cunserialize()\u95a2\u6570\u306b\u3088\u308a\u30b7\u30ea\u30a2\u30eb\u5316\u3055\u308c\u305f\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u30c7\u30b3\u30fc\u30c9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\uff0e\u3053\u306e\u969b\uff0c\u4e0d\u6b63\u306a\u6587\u5b57\u5217\u3092\u5165\u529b\u3057\u305f\u5834\u5408\u306e\u52d5\u4f5c\u304c\u5909\u66f4\u3055\u308c\u307e\u3059\uff0e<\/p>\n\n\n\n
\u3000\u4f8b\u3048\u3070\uff0c\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3057\u3066\u307f\u307e\u3057\u3087\u3046\uff0e<\/p>\n\n\n\n
<?php
unserialize('foo');<\/code><\/pre>\n\n\n\n\u3000\u4e0d\u6b63\u306a\u6587\u5b57\u5217\u304c\u5165\u529b\u3055\u308c\u305f\u5834\u5408\uff0cPHP 8.2\u307e\u3067\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u901a\u77e5\uff08Notice\uff09\u304c\u767a\u751f\u3057\u307e\u3059\uff0e<\/p>\n\n\n\n
Notice: unserialize(): Error at offset 0 of 3 bytes<\/code><\/pre>\n\n\n\nPHP 8.3\u3067\u306f\uff0c\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3088\u308a\u53b3\u3057\u3044\u8b66\u544a\u3092\u767a\u751f\u3057\u307e\u3059\uff0e<\/p>\n\n\n\n
Warning: unserialize(): Error at offset 0 of 3 bytes<\/code><\/pre>\n\n\n\n\u3000\u306a\u304a\uff0cPHP 9.0\u4ee5\u964d\u3067\u306f\uff0c\u5c02\u7528\u306e\u4f8b\u5916\u3068\u3057\u3066UnserializationFailedException \u3092\u767a\u751f\u3059\u308b\u3088\u3046\u52d5\u4f5c\u304c\u5909\u66f4\u3055\u308c\u308b\u4e88\u5b9a\u3067\u3059\uff0e<\/p>\n\n\n\n
\u3000\u307e\u305f\uff0c\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u30b7\u30ea\u30a2\u30eb\u5316\u51e6\u7406\u304c\u6b63\u3057\u304f\u7d42\u4e86\u3057\u3066\u3044\u306a\u3044\uff0c\u307e\u305f\u306f\u672b\u5c3e\u304c\u6b20\u640d\u3057\u3066\u3044\u308b\u5834\u5408\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\uff0e<\/p>\n\n\n\n
unserialize('O:19:\"SplDoublyLinkedList\":3:{i:0;i:0;i:1;N;i:2;a:0:{}}');<\/code><\/pre>\n\n\n\n\u3053\u306e\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\uff0c\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3000UnexpectedValueException \u4f8b\u5916\u304c\u767a\u751f\u3057\u307e\u3059\uff0e\u3053\u306e\u52d5\u4f5c\u306fPHP 8.2\u307e\u3067\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3082\uff0cPHP 8.3\u3067\u3082\u5909\u308f\u308a\u307e\u305b\u3093\uff0e<\/p>\n\n\n\n
PHP Fatal error: Uncaught UnexpectedValueException: Incomplete or ill-typed serialization<\/code><\/pre>\n\n\n\n\u4eca\u5f8c\uff0c\u3053\u3061\u3089\u306b\u3064\u3044\u3066\u3082\uff0cPHP 9.0\u3067\u5c02\u7528\u306e\u4f8b\u5916\uff08UnserializationFailedException\uff09\u3092\u767a\u751f\u3059\u308b\u3088\u3046\u306b\u52d5\u4f5c\u304c\u5909\u66f4\u3055\u308c\u308b\u4e88\u5b9a\u3067\u3059\uff0e<\/p>\n\n\n\n
\u3000\u6709\u52b9\u306a\u30b7\u30ea\u30a2\u30eb\u5316\u30c7\u30fc\u30bf\u306e\u672b\u5c3e\u306b\u4e0d\u6b63\u306a\u30d0\u30a4\u30c8\u304c\u3064\u3044\u3066\u3044\u305f\u5834\u5408\uff0cPHP 8.2\u307e\u3067\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u306f\uff0c\u6709\u52b9\u306a\u90e8\u5206\u3092\u30b7\u30ea\u30a2\u30eb\u5316\u3057\u3066\u3044\u3066\uff0c\u53d6\u5f97\u3067\u304d\u3066\u3044\u307e\u3057\u305f\uff0e\u4f8b\u3048\u3070\uff0c\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3057\u3066\u307f\u307e\u3057\u3087\u3046\uff0e<\/p>\n\n\n\n
<?php
var_dump(unserialize('i:5;i:6;'));<\/code><\/pre>\n\n\n\n\u672b\u5c3e\u306e\u3000\u2018i:6;\u2019 \u306f\u4e0d\u8981\u306a\u6587\u5b57\u5217\u3067\uff0cPHP 8.2\u307e\u3067\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u306f\uff0cint(5) \u3068\u3057\u3066\u53d6\u5f97\u3055\u308c\u307e\u3059\uff0e\u3057\u304b\u3057\uff0c\u3053\u306e\u52d5\u4f5c\u3092\u60aa\u7528\u3057\u305f\u653b\u6483\u304c\u60f3\u5b9a\u3055\u308c\u308b\u305f\u3081\uff0cPHP 8.3\u3067\u306f\u3053\u306e\u3088\u3046\u306a\u30b1\u30fc\u30b9\u3067\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u8b66\u544a\u304c\u767a\u751f\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\uff0e<\/p>\n\n\n\n
Warning: unserialize(): Extra data starting at offset 4 of 8 bytes<\/code><\/pre>\n\n\n\n<\/span>range()\u95a2\u6570\u306e\u4e00\u8cab\u6027\u6539\u5584<\/span><\/h2>\n\n\n\n\u6307\u5b9a\u3057\u305f\u7bc4\u56f2\u306e\u914d\u5217\u3092\u53d6\u5f97\u3059\u308b\u969b\u306b range() \u95a2\u6570\u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\uff0e\u3053\u306erange()\u95a2\u6570\u306e\u52d5\u4f5c\u304c\u5909\u66f4\u3055\u308c\uff0c\u30a8\u30e9\u30fc\u51e6\u7406\u3092\u542b\u3081\u305f\u52d5\u4f5c\u306e\u4e00\u8cab\u6027\u304c\u5411\u4e0a\u3057\u3066\u3044\u307e\u3059\uff0e<\/p>\n\n\n\n
\u307e\u305a\uff0c\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3057\u3066\u307f\u307e\u3057\u3087\u3046\uff0e<\/p>\n\n\n\n
<?php
var_dump(range(1, 3, 1.0));<\/code><\/pre>\n\n\n\n\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\uff0cPHP 8.2\u307e\u3067\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u51fa\u529b\u3055\u308c\u307e\u3059\uff0e<\/p>\n\n\n\n
array(3) {
[0]=> float(1)
[1]=> float(2)
[2]=> float(3)
}<\/code><\/pre>\n\n\n\n\u7b2c1\u5f15\u6570\u306b\u4e0b\u9650\uff0c\u7b2c2\u5f15\u6570\u306b\u4e0a\u9650\u3092\u6307\u5b9a\u3057\uff0c\u3053\u306e\u5834\u5408\u306f\uff0c1\u304b\u30893\u307e\u3067\u306e\u5024\u3092\u8981\u7d20\u3068\u3059\u308b\u914d\u5217\u304c\u4f5c\u6210\u3055\u308c\u307e\u3059\uff0e\u30b9\u30c6\u30c3\u30d7\u306f\u6a19\u6e96\u30671\u3067\u3059\u304c\uff0c3\u756a\u76ee\u306e\u5f15\u6570\uff08\u30b9\u30c6\u30c3\u30d7\uff09\u306b\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u5024\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\uff0e\u3053\u3053\u3067\u306f\uff0c float (1.0)\u304c\u6307\u5b9a\u3055\u308c\u3066\u304a\u308a\uff0c\u30b9\u30c6\u30c3\u30d7\u306b float \u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u306b\u3088\u308a\uff0c\u3059\u3079\u3066\uff0cfloat \u3068\u3057\u3066\u51e6\u7406\u3055\u308c\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\uff0e<\/p>\n\n\n\n
\u3000\u4e00\u65b9\uff0cPHP 8.3\u4ee5\u964d\u3067\u306f\uff0c3\u756a\u76ee\u306e\u5f15\u6570\uff08\u30b9\u30c6\u30c3\u30d7\uff09\u306bfloat\u3092\u6307\u5b9a\u3057\u305f\u5834\u5408\uff0c\u6574\u6570\u306b\u3057\u305f\u6642\u3068\u5024\u304c\u540c\u3058\u5834\u5408\u306f\uff0cint\u3068\u307f\u306a\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\uff0e\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\uff0c\u30b9\u30c6\u30c3\u30d7\u306bfloat \uff081.0\uff09\u3092\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u304c\uff0cint \u306b\u30ad\u30e3\u30b9\u30c8\u3057\u305f\u5834\u5408\uff081\uff09\u3067\u3082\uff0c\u540c\u3058\u5024\u3068\u306a\u308b\u305f\u3081\uff0cint \u3068\u307f\u306a\u3055\u308c\u307e\u3059\uff0e\u3053\u306e\u305f\u3081\uff0cPHP 8.3\u3067\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\uff0c\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u6574\u6570\u306e\u914d\u5217\u304c\u8fd4\u3055\u308c\u307e\u3059\uff0e<\/p>\n\n\n\n
array(3) {
[0]=> int(1)
[1]=> int(2)
[2]=> int(3)
}<\/code><\/pre>\n\n\n\n\u3000<\/p>\n\n\n\n
\u3000\u6b21\u306b\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3057\u3066\u307f\u307e\u3057\u3087\u3046\uff0e<\/p>\n\n\n\n
<?php
var_dump(range(\"9\", \"A\"));<\/code><\/pre>\n\n\n\n\u3000PHP 8.2\u307e\u3067\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u51fa\u529b\u306f\u4ee5\u4e0b\u3068\u306a\u308a\u307e\u3059\uff0e<\/p>\n\n\n\n
array(10) {
[0]=> int(9)
[1]=> int(8)
[2]=> int(7)
[3]=> int(6)
[4]=> int(5)
[5]=> int(4)
[6]=> int(3)
[7]=> int(2)
[8]=> int(1)
[9]=> int(0)
}<\/code><\/pre>\n\n\n\n\u3000\u3053\u306e\u51fa\u529b\u3092\u30b3\u30fc\u30c9\u304b\u3089\u4e88\u60f3\u3067\u304d\u305f\u4eba\u306f\u5c11\u306a\u3044\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\uff1fPHP 8.2\u307e\u3067\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u52d5\u4f5c\u3067\u306f\uff0c\u5f15\u6570\u306b\u6587\u5b57\u5217\u3092\u6307\u5b9a\u3057\u3066\u3082\uff0cint\u306b\u30ad\u30e3\u30b9\u30c8\u3055\u308c\u307e\u3059\uff0e\u201d9\u201d\uff0c\u201dA\u201d\u306f\u305d\u308c\u305e\u308c\uff0c9\uff0c0 \u306b\u5909\u63db\u3055\u308c\u307e\u3059\uff0e\u3053\u306e\u305f\u3081\uff0c array (9, 0) \u304c\u5b9f\u884c\u3055\u308c\u308b\u3053\u3068\u306b\u306a\u308a\uff0c9 \u304b\u3089 0\u307e\u3067\u306e\u6574\u6570\u5024\u304c\u9006\u9806\u306b\u914d\u5217\u306e\u5024\u3068\u3057\u3066\u53d6\u5f97\u3055\u308c\u307e\u3059\uff0e<\/p>\n\n\n\n
\u3000PHP 8.3\u4ee5\u964d\u3067\u306f\uff0c\u6587\u5b57\u3092\u6307\u5b9a\u3059\u308b\u3068\uff0c\u305d\u306e\u307e\u307e\u6587\u5b57\u3068\u3057\u3066\u8a55\u4fa1\u3055\u308c\uff0cASCII\u30b3\u30fc\u30c9\u8868\u306e\u9806\u756a\u306b\u7bc4\u56f2\u304c\u8a2d\u5b9a\u3055\u308c\u307e\u3059\uff0ePHP 8.3\u3067\u5b9f\u884c\u3057\u305f\u5834\u5408\u306e\u51fa\u529b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\uff0e<\/p>\n\n\n\n
array(9) {
[0]=> string(1) \"9\"
[1]=> string(1) \":\"
[2]=> string(1) \";\"
[3]=> string(1) \"<\"
[4]=> string(1) \"=\"
[5]=> string(1) \">\"
[6]=> string(1) \"?\"
[7]=> string(1) \"@kusanagi
[8]=> string(1) \"A\"
}<\/code><\/pre>\n\n\n\n\u3000ASCII\u30b3\u30fc\u30c9\u8868\u3067\u201c9\u201d\uff080x39\uff09\u304b\u3089\u201dA\u201d\uff080x41\uff09\u306e\u7bc4\u56f2\u306b\u3042\u308b\u6587\u5b57\u3092\u5024\u3068\u3059\u308b\u914d\u5217\u304c\u8fd4\u3055\u308c\u307e\u3059\uff0e<\/p>\n\n\n\n
\u3000\u30a8\u30e9\u30fc\u51e6\u7406\u3082\u3088\u308a\u53b3\u683c\u306b\u306a\u308a\u307e\u3059\uff0e\u5f93\u6765\u306ePHP\u3067\uff0c\u7b2c3\u5f15\u6570\u306b\u4e0d\u6b63\u306a\u6307\u5b9a\u3092\u3057\u305f\u5834\u5408\uff0c\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u304c\u4f7f\u7528\u3055\u308c\u3066\u5b9f\u884c\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u304c\uff0cPHP 8.3\u4ee5\u964d\u3067\u306f\u30a8\u30e9\u30fc\u3092\u767a\u751f\u3057\u307e\u3059\uff0e\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3057\u3066\u307f\u307e\u3057\u3087\u3046\uff0e<\/p>\n\n\n\n
<?php
var_dump(range(0, 3, -1));<\/code><\/pre>\n\n\n\n\u3000\u7b2c1\u5f15\u6570\u3088\u308a\u3082\u7b2c2\u5f15\u6570\u306e\u65b9\u304c\u5927\u304d\u3044\u305f\u3081\uff0c\u7b2c3\u5f15\u6570\u306b\u306f\u6b63\u306e\u6570\u5024\u3092\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u304c\uff0c\u3053\u306e\u4f8b\u3067\u306f\u8ca0\u306e\u6570\uff08-1\uff09\u304c\u6307\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\uff0ePHP 8.2\u307e\u3067\u306f\uff0c\u4e0d\u6b63\u306a\u5024\u304c\u6307\u5b9a\u3055\u308c\u305f\u5834\u5408\u306f\uff0c\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\uff081\uff09\u304c\u4f7f\u7528\u3055\u308c\u308b\u305f\u3081\uff0c\u51fa\u529b\u306f\u4ee5\u4e0b\u3068\u306a\u308a\u307e\u3059\uff0e<\/p>\n\n\n\n
array(4) {
[0]=> int(0)
[1]=> int(1)
[2]=> int(2)
[3]=> int(3)
}<\/code><\/pre>\n\n\n\n\u3000PHP 8.3\u3067\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u30a8\u30e9\u30fc\u3068\u306a\u308a\u307e\u3059\uff0e<\/p>\n\n\n\n
PHP Fatal error: Uncaught ValueError: range(): Argument #3 ($step) must be greater than 0 for increasing ranges<\/code><\/pre>\n\n\n\n<\/span>\u30de\u30eb\u30c1\u95a2\u6570\u30b7\u30b0\u30cb\u30c1\u30e3\u306e\u5ec3\u6b62<\/span><\/h2>\n\n\n\nPHP\u3067\u306f\uff0c\u95a2\u6570\u30b7\u30b0\u30cb\u30c1\u30e3\u304c\u8907\u6570\u5b58\u5728\u3059\u308b\u95a2\u6570\u304c\u3042\u308a\u307e\u3059\uff0e\u305d\u306e\u591a\u304f\u306f\u6b74\u53f2\u7684\u306a\u7406\u7531\u306b\u3088\u308a\u307e\u3059\u304c\uff0c\u4e00\u8cab\u6027\u304c\u306a\u3044\u3082\u306e\u304c\u3042\u308a\uff0c\u308f\u304b\u308a\u306b\u304f\u3055\u306b\u3064\u306a\u304c\u3063\u3066\u3044\u307e\u3057\u305f\uff0e\u307e\u305f\uff0c\u30c7\u30d0\u30c3\u30b0\u304c\u8907\u96d1\u306b\u306a\u3063\u305f\u308a\uff0c\u95a2\u6570\u30b7\u30b0\u30cb\u30c1\u30e3\u304b\u3089\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u81ea\u52d5\u751f\u6210\u3059\u308b\u30c4\u30fc\u30eb\u306b\u304a\u3044\u3066\u554f\u984c\u3092\u767a\u751f\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u6307\u6458\u3055\u308c\u3066\u304d\u307e\u3057\u305f\uff0e<\/p>\n\n\n\n
\u3000PHP 8.3\u4ee5\u964d\uff0c\u3053\u308c\u3089\u306e\u8907\u6570\u306e\u95a2\u6570\u30b7\u30b0\u30cb\u30c1\u30e3\u3092\u7d71\u4e00\u3057\uff0c\u4e00\u3064\u306b\u3059\u308b\u65b9\u5411\u3068\u3059\u308b\u63d0\u6848\u304c\u884c\u308f\u308c\uff0c\u63a1\u629e\u3055\u308c\u307e\u3057\u305f\uff0e\u7d71\u4e00\u306b\u3042\u305f\u308a\uff0c\u5ec3\u6b62\u3055\u308c\u308b\u3082\u306e\u304c\u5f15\u304d\u7d9a\u304d\u4f7f\u7528\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u5834\u5408\u306b\u306f\uff0c\u4ee3\u66ff\u306e\u95a2\u6570\u304c\u5b9a\u7fa9\u3055\u308c\u307e\u3059\uff0e<\/p>\n\n\n\n
\u7d71\u4e00\uff08\u5ec3\u6b62\uff09\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u6bb5\u968e\u7684\u306b\u884c\u308f\u308c\u307e\u3059\uff0e<\/p>\n\n\n\n
\n- PHP 8.3\uff1a\u8981\u3059\u308c\u3070\u4ee3\u66ff\u95a2\u6570\u3092\u5b9a\u7fa9\u3059\u308b<\/li>\n\n\n\n
- PHP 8.4\uff1a\u5ec3\u6b62\u5bfe\u8c61\uff08DEPRECATED\uff09\u306b\u6307\u5b9a\u3059\u308b<\/li>\n\n\n\n
- PHP 9.0\u307e\u305f\u306f10.0\u3067\u5ec3\u6b62\u3059\u308b<\/li>\n<\/ol>\n\n\n\n
\u3044\u304f\u3064\u304b\u306e\u4f8b\u3092\u307f\u3066\u307f\u307e\u3057\u3087\u3046\uff0e\u307e\u305a\uff0cPostgreSQL\u30a8\u30af\u30b9\u30c6\u30f3\u30b7\u30e7\u30f3\u3067\u7d50\u679c\u3092\u53d6\u5f97\u3059\u308b pg_fetch_result() \u3067\u3059\uff0e\u3053\u306e\u95a2\u6570\u306b\u306f\uff0c\u4ee5\u4e0b\u306e\uff12\u7a2e\u985e\u306e\u95a2\u6570\u30b7\u30b0\u30cb\u30c1\u30e3\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\uff0e<\/p>\n\n\n\n
function pg_fetch_result(PgSql\\Result $result, mixed $field): string|false|null {}
function pg_fetch_result(PgSql\\Result $result, int $row, mixed $field): string|false|null {}<\/code><\/pre>\n\n\n\n2\u756a\u76ee\u306e\u30b7\u30b0\u30cb\u30c1\u30e3\u304c\u6700\u7d42\u7684\u306b\u5ec3\u6b62\u3055\u308c\u308b\u4e88\u5b9a\u3067\uff0cPHP 8.3\u3067\u306f\uff0c\u3053\u306e\u30b7\u30b0\u30cb\u30c1\u30e3\u306e\u7b2c2\u5f15\u6570\u304c\u4ee5\u4e0b\u306e\u3088\u3046\u306b nullable \u306b\u5909\u66f4\u3055\u308c\u307e\u3059\uff0e<\/p>\n\n\n\n
function pg_fetch_result(PgSql\\Result $result, ?int $row, mixed $field): string|false|null {}<\/code><\/pre>\n\n\n\n\u3000\u3053\u306e\u5f8c\uff0cPHP 8.4\u306b\u304a\u3044\u3066\u7b2c2\u5f15\u6570\u304c\u5ec3\u6b62\u5bfe\u8c61\uff08DEPRECATED\uff09\u306e\u544a\u77e5\u3092\u767a\u751f\u3059\u308b\u3088\u3046\u306b\u306a\u308a\uff0cPHP 9.0\u4ee5\u964d\u3067\u5ec3\u6b62\u3055\u308c\u308b\u4e88\u5b9a\u3067\u3059\uff0e<\/p>\n\n\n\n
\u3000\u540c\u69d8\u306e\u5909\u66f4\uff08\u7b2c2\u5f15\u6570\u306e\u5ec3\u6b62\uff09\u306f\uff0cpg_field_prtlen()\uff0cpg_field_is_null()\u95a2\u6570\u306b\u3064\u3044\u3066\u3082\u884c\u308f\u308c\u307e\u3059\uff0e<\/p>\n\n\n\n
\u3000\u6b21\u306b\uff0cDatePeriod\u30af\u30e9\u30b9\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u307e\u3059\uff0e\u3053\u306e\u30af\u30e9\u30b9\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\uff13\u7a2e\u985e\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\uff0e<\/p>\n\n\n\n
class DatePeriod
{
public function __construct(DateTimeInterface $start,
DateInterval $interval, int $recurrences, int $options = 0) {}
public function __construct(DateTimeInterface $start,
DateInterval $interval, DateTimeInterface $end, int $options = 0) {}
public function __construct(string $isostr, int $options = 0) {}
}<\/code><\/pre>\n\n\n\n\u3000\u5c06\u6765\u7684\u306b1\u756a\u76ee\u30682\u756a\u76ee\u306e\u30b7\u30b0\u30cb\u30c1\u30e3\u304c\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u7d71\u5408\u3055\u308c\uff0c3\u756a\u76ee\u306f\u5ec3\u6b62\u3055\u308c\u307e\u3059\uff0e<\/p>\n\n\n\n
class DatePeriod
{
public function __construct(DateTimeInterface $start,
DateInterval $interval, DateTimeInterface|int $end,
int $options = 0) {}
}<\/code><\/pre>\n\n\n\n\u5ec3\u6b62\u3055\u308c\u308b3\u756a\u76ee\u306e\u30b7\u30b0\u30cb\u30c1\u30e3\u306b\u3064\u3044\u3066\u306f\uff0c\u4ee3\u66ff\u624b\u6bb5\u3068\u3057\u3066 static \u30e1\u30bd\u30c3\u30c9 createFromISO8601String\u304c\u7528\u610f\u3055\u308c\u307e\u3059\uff0e<\/p>\n\n\n\n
class DatePeriod
{
public static function createFromISO8601String(
string $specification, int $options = 0): static {}
}<\/code><\/pre>\n\n\n\n\u3000PHP 8.3\u3067\u306f\uff0c3\u756a\u76ee\u306e\u30b7\u30b0\u30cb\u30c1\u30e3\u306b\u95a2\u3059\u308b\u4ee3\u66ff\u624b\u6bb5\u3068\u3057\u3066 static \u30e1\u30bd\u30c3\u30c9 createFromISO8601String\u304c\u7528\u610f\u3055\u308c\u307e\u3057\u305f\uff0e\u4eca\u5f8c\uff0cPHP 8.4\u3067\u5f15\u6570\u304c1\u500b\u307e\u305f\u306f2\u500b\u306e\u5834\u5408\u306b\u5ec3\u6b62\u5bfe\u8c61\uff08DEPRECATED\uff09\u304c\u767a\u751f\u3059\u308b\u3088\u3046\u306b\u306a\u308a\uff0cPHP 9.0 \u307e\u305f\u306f 10.0\u3067\u5ec3\u6b62\u3055\u308c\u308b\u4e88\u5b9a\u3067\u3059\uff0e<\/p>\n\n\n\n
<\/span>\u305d\u306e\u4ed6\u306e\u5ec3\u6b62\u9805\u76ee<\/span><\/h2>\n\n\n\n\u3044\u304f\u3064\u304b\u306e\u6a5f\u80fd\u304c\u5ec3\u6b62\u5bfe\u8c61\u3068\u306a\u308a\u307e\u3059\u306e\u3067\uff0c\u4e3b\u306a\u3082\u306e\u3092\u7d39\u4ecb\u3057\u307e\u3059\uff0e<\/p>\n\n\n\n
mb_strimwidth\u306e\u8ca0\u306e\u5f15\u6570\u5ec3\u6b62<\/strong><\/p>\n\n\n\n\u307e\u305a\uff0cmbstring\u30a8\u30af\u30b9\u30c6\u30f3\u30b7\u30e7\u30f3\u306e\u95a2\u6570mb_strimwidth \u306e\u7b2c3\u5f15\u6570\u306b\u8ca0\u306e\u5f15\u6570\u3092\u6307\u5b9a\u3059\u308b\u6a5f\u80fd\u304c\u5ec3\u6b62\u3055\u308c\u307e\u3059\uff0e\u4ee5\u4e0b\u4f8b\u3092\u307f\u3066\u307f\u307e\u3057\u3087\u3046\uff0e<\/p>\n\n\n\n
echo mb_strimwidth('abcde', 0, -1);<\/code><\/pre>\n\n\n\n\u51fa\u529b\u306f\uff0c\u2019abcd\u2019 \u3068\u306a\u308a\u307e\u3059\uff0e3\u756a\u76ee\u306e\u5f15\u6570\u306f\u30c8\u30ea\u30e0\u3059\u308b\u6587\u5b57\u6570\u3092\u610f\u5473\u3057\u307e\u3059\u304c\uff0c\u8ca0\u306e\u6570\u3092\u6307\u5b9a\u3059\u308b\u3068\u6587\u5b57\u5217\u306e\u672b\u5c3e\u304b\u3089\u306e\u5e45\u3092\u610f\u5473\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\uff0e\u3057\u304b\u3057\uff0c\u3053\u306e\u6a5f\u80fd\u306f2016\u5e74\u306b\u8ffd\u52a0\u3055\u308c\u305f\u3082\u306e\u306e\uff0c\u610f\u56f3\u304c\u308f\u304b\u308a\u306b\u304f\u304f\uff0c\u307e\u305f\uff0c\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u304c\u9650\u5b9a\u7684\u3067\uff0c\u73fe\u5b58\u3059\u308b\u30aa\u30fc\u30d7\u30f3\u306a\u30b3\u30fc\u30c9\u306b\u304a\u3044\u3066\u3082\u5b9f\u969b\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u304c\u308f\u304b\u3063\u305f\u305f\u3081\uff0c\u5ec3\u6b62\u3055\u308c\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3057\u305f\uff0e<\/p>\n\n\n\n
PHP 8.3\u3067\u306f\uff0c\u4ee5\u4e0b\u306e\u3088\u3046\u306aDEPRECATED\u901a\u77e5\u3092\u767a\u751f\u3057\u307e\u3059\uff0e\u4eca\u5f8c\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u5ec3\u6b62\u3055\u308c\u308b\u4e88\u5b9a\u3067\u3059\uff0e<\/p>\n\n\n\n
Deprecated: mb_strimwidth(): passing a negative integer to argument #3 ($width) is deprecated<\/code><\/pre>\n\n\n\n<\/span>mt_range()\u95a2\u6570\u306b\u304a\u3051\u308b\u5f8c\u65b9\u4e92\u63db\u30e2\u30fc\u30c9\u5ec3\u6b62<\/strong><\/span><\/h2>\n\n\n\nPHP \u3067\u306f\uff0c\u30e1\u30eb\u30bb\u30f3\u30cc\u30c4\u30a4\u30b9\u30bf\u30fc\u306b\u3088\u308b\u4e71\u6570\u751f\u6210\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u304c\uff0cPHP 7.1\u3088\u308a\u524d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u306f\u751f\u6210\u3055\u308c\u308b\u4e71\u6570\u306b\u504f\u308a\u304c\u3042\u308b\u306a\u3069\u306e\u554f\u984c\u304c\u767a\u751f\u3057\uff0cPHP 7.1\u3067\u4fee\u6b63\u3055\u308c\u3066\u3044\u307e\u3059\uff0e\u5f8c\u65b9\u4e92\u63db\u6027\u306e\u305f\u3081\uff0c\u5f93\u6765\u306e\u5b9f\u88c5\u3092\u5f15\u304d\u7d9a\u304d\u5229\u7528\u3059\u308b\u30e6\u30fc\u30b6\u306b\u5bfe\u3057\u3066\uff0c\u5b9a\u6570MT_RAND_PHP\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\uff0c\u5f93\u6765\u306e\u554f\u984c\u306e\u3042\u308b\u5b9f\u88c5\u3092\u5f15\u304d\u7d9a\u304d\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3068\u306a\u3063\u3066\u3044\u307e\u3057\u305f\uff0ePHP 8.2\u3067\u5c0e\u5165\u3055\u308c\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u306e\u65b0\u3057\u3044\u4e71\u6570\u751f\u6210\u6a5f\u80fd\uff08Random\u30a8\u30af\u30b9\u30c6\u30f3\u30b7\u30e7\u30f3\uff09\u3067\u3082\u3053\u306e\u4e92\u63db\u30e2\u30fc\u30c9\u306f\u5229\u7528\u53ef\u80fd\u3068\u306a\u3063\u3066\u3044\u307e\u3059\uff0e\u3057\u304b\u3057\uff0c\u65b0\u3057\u3044\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411API\u3067\u904e\u53bb\u306e\u52d5\u4f5c\u3092\u5b8c\u5168\u306b\u518d\u73fe\u3059\u308b\u3053\u3068\u306f\u96e3\u3057\u304f\uff0c\u307e\u305f\uff0c\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3082\u9650\u3089\u308c\u3066\u3044\u307e\u3057\u305f\uff0e<\/p>\n\n\n\n
\u3000\u4eca\u56de\u306e\u63d0\u6848\u306f\uff0cMT_RAND_PHP \u3092\u5ec3\u6b62\u5bfe\u8c61\u3068\u3059\u308b\u3082\u306e\u3067\uff0c\u554f\u984c\u306e\u3042\u308b\u30e1\u30eb\u30bb\u30f3\u30cc\u30c4\u30a4\u30b9\u30bf\u30fc\u306e\u5b9f\u88c5\u306f\u5229\u7528\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3059\uff0ePHP 8.3\u3067MT_RAND_PHP \u3092\u6307\u5b9a\u3059\u308b\u3068\uff0c\u4ee5\u4e0b\u306e\u3088\u3046\u306aDEPRECATED\u901a\u77e5\u3092\u767a\u751f\u3057\u307e\u3059\uff0e\u4eca\u5f8c\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u5ec3\u6b62\u3055\u308c\u308b\u4e88\u5b9a\u3067\u3059\uff0e<\/p>\n\n\n\n
Deprecated: The MT_RAND_PHP variant of Mt19937 is deprecated<\/code><\/pre>\n\n\n\n\u3000\u4eca\u56de\u306f\uff0c\u524d\u56de\u306b\u7d9a\u3044\u3066\uff0cPHP 8.3\u306b\u304a\u3051\u308b\u5909\u66f4\u70b9\u3092\u7d39\u4ecb\u3057\u307e\u3057\u305f\uff0e\u57fa\u672c\u7684\u306a\u52d5\u4f5c\u306fPHP 8.2\u307e\u3067\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3068\u4e92\u63db\u6027\u304c\u3042\u308a\u307e\u3059\u304c\uff0c\u5f93\u6765\uff0c\u7d71\u4e00\u3055\u308c\u3066\u3044\u306a\u304b\u3063\u305f\u52d5\u4f5c\u304c\u7d71\u4e00\u3055\u308c\u305f\u308a\u3057\u3066\u304a\u308a\uff0c\u5f8c\u65b9\u4e92\u63db\u6027\u306b\u3064\u3044\u3066\u4e00\u90e8\u6ce8\u610f\u304c\u5fc5\u8981\u306a\u3068\u3053\u308d\u3082\u3042\u308a\u307e\u3059\uff0e\u5229\u7528\u3059\u308bPHP\u30b3\u30fc\u30c9\u306b\u3088\u308a\u5341\u5206\u78ba\u8a8d\u3092\u884c\u3063\u305f\u4e0a\u3067\uff0c\u904b\u7528\u30bd\u30d5\u30c8\u30a6\u30a8\u30a2\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u66f4\u65b0\u3092\u3057\u3066\u3044\u305f\u3060\u304f\u3068\u826f\u3044\u3067\u3057\u3087\u3046\uff0e<\/p>\n\n\n\n
\u3055\u3089\u306b\u30d1\u30ef\u30fc\u30a2\u30c3\u30d7\u3057\u305fPHP 8.3\u3092\u305c\u3072\u5229\u7528\u3057\u3066\u3044\u305f\u3060\u3051\u308c\u3070\u3068\u601d\u3044\u307e\u3059\uff0e<\/p>\n","protected":false},"excerpt":{"rendered":"