{"id":174,"date":"2023-06-30T11:25:18","date_gmt":"2023-06-30T03:25:18","guid":{"rendered":"https:\/\/www.hyw.life\/?p=174"},"modified":"2025-10-21T17:20:11","modified_gmt":"2025-10-21T09:20:11","slug":"10%e4%b8%aa%e5%bf%85%e5%a4%87%e7%9a%84%e5%ad%97%e7%ac%a6%e4%b8%b2%e5%a4%84%e7%90%86%e5%87%bd%e6%95%b0%e5%8f%8a%e5%85%b6%e4%bd%bf%e7%94%a8%e7%a4%ba%e4%be%8b","status":"publish","type":"post","link":"https:\/\/www.hyw.life\/?p=174","title":{"rendered":"PHP10\u4e2a\u5fc5\u5907\u7684\u5b57\u7b26\u4e32\u5904\u7406\u51fd\u6570\u53ca\u5176\u4f7f\u7528\u793a\u4f8b"},"content":{"rendered":"\n

\u5728PHP\u5f00\u53d1\u4e2d\uff0c\u5b57\u7b26\u4e32\u662f\u4e00\u4e2a\u4e0d\u53ef\u6216\u7f3a\u7684\u90e8\u5206\u3002\u4e3a\u4e86\u66f4\u9ad8\u6548\u5730\u5904\u7406\u548c\u64cd\u4f5c\u5b57\u7b26\u4e32\uff0c\u6211\u4eec\u9700\u8981\u638c\u63e1\u4e00\u4e9b\u5fc5\u5907\u7684\u5b57\u7b26\u4e32\u5904\u7406\u51fd\u6570\u3002\u672c\u6587\u5c06\u4ecb\u7ecd10\u4e2a\u5e38\u7528\u7684PHP\u5b57\u7b26\u4e32\u5904\u7406\u51fd\u6570\uff0c\u5e76\u63d0\u4f9b\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u5e2e\u52a9\u4f60\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u7528\u8fd9\u4e9b\u51fd\u6570\u3002<\/p>\n\n\n\n

\u7b2c\u4e00\u90e8\u5206\uff1a\u5b57\u7b26\u4e32\u622a\u53d6\u4e0e\u8fde\u63a5<\/strong><\/p>\n\n\n\n

1. substr(string $string, int $start[, int $length])   \/\/ \u5b57\u7b26\u4e32\u622a\u53d6\u51fd\u6570<\/p>\n\n\n\n

   \u4f5c\u7528\uff1a\u4ece\u6307\u5b9a\u4f4d\u7f6e\u5f00\u59cb\u622a\u53d6\u5b57\u7b26\u4e32\u7684\u6307\u5b9a\u957f\u5ea6<\/p>\n\n\n\n

\u00a0 \u00a0\u793a\u4f8b\uff1a<\/p>\n\n\n\n

\r$string = \"Hello World\";\r\n$result = substr($string, 6, 5);\r\necho $result;  \/\/ \u8f93\u51fa \"World\"\n<\/code><\/pre>\n\n\n\n
2. str_replace(mixed $search, mixed $replace, mixed $subject[, int &$count])   \/\/ \u5b57\u7b26\u4e32\u66ff\u6362\u51fd\u6570<\/p>\n\n\n\n
   \u4f5c\u7528\uff1a\u5c06\u5b57\u7b26\u4e32\u4e2d\u7684\u6307\u5b9a\u6587\u672c\u66ff\u6362\u4e3a\u65b0\u7684\u6587\u672c<\/p>\n\n\n\n
\u00a0 \u00a0\u793a\u4f8b\uff1a<\/p>\n\n\n\n
\r$string = \"Hello World\";\r\n$result = str_replace(\"World\", \"PHP\", $string);\r\necho $result;  \/\/ \u8f93\u51fa \"Hello PHP\"<\/code><\/pre>\n\n\n\n
3. implode(string $glue, array $pieces)   \/\/ \u5b57\u7b26\u4e32\u8fde\u63a5\u51fd\u6570<\/p>\n\n\n\n
   \u4f5c\u7528\uff1a\u5c06\u6570\u7ec4\u5143\u7d20\u7528\u6307\u5b9a\u7684\u5206\u9694\u7b26\u8fde\u63a5\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32<\/p>\n\n\n\n
\u00a0 \u00a0\u793a\u4f8b\uff1a<\/p>\n\n\n\n
\r$array = array(\"Hello\", \"PHP\", \"World\");\r\n$result = implode(\" \", $array);\r\necho $result;  \/\/ \u8f93\u51fa \"Hello PHP World\"\n<\/code><\/pre>\n\n\n\n
\u7b2c\u4e8c\u90e8\u5206\uff1a\u5b57\u7b26\u4e32\u67e5\u627e\u4e0e\u5224\u65ad<\/strong><\/p>\n\n\n\n
1. strpos(string $haystack, mixed $needle[, int $offset = 0])   \/\/ \u5b57\u7b26\u4e32\u67e5\u627e\u51fd\u6570<\/p>\n\n\n\n
   \u4f5c\u7528\uff1a\u68c0\u67e5\u5b57\u7b26\u4e32\u4e2d\u662f\u5426\u5305\u542b\u6307\u5b9a\u7684\u6587\u672c\uff0c\u5e76\u8fd4\u56de\u9996\u6b21\u51fa\u73b0\u7684\u4f4d\u7f6e<\/p>\n\n\n\n
\u00a0 \u00a0\u793a\u4f8b\uff1a<\/p>\n\n\n\n
$string = \"Hello PHP World\";\r\n$result = strpos($string, \"PHP\");\r\necho $result;  \/\/ \u8f93\u51fa 6<\/code><\/pre>\n\n\n\n
2. str_contains(string $haystack, mixed $needle)   \/\/ \u5224\u65ad\u5b57\u7b26\u4e32\u662f\u5426\u5305\u542b\u6307\u5b9a\u6587\u672c<\/p>\n\n\n\n
   \u4f5c\u7528\uff1a\u68c0\u67e5\u5b57\u7b26\u4e32\u662f\u5426\u5305\u542b\u6307\u5b9a\u7684\u6587\u672c\uff08PHP 8.0+\uff09<\/p>\n\n\n\n
\u00a0 \u00a0\u793a\u4f8b\uff1a<\/p>\n\n\n\n
\r$string = \"Hello PHP World\";\r\n$result = str_contains($string, \"PHP\");\r\necho $result;  \/\/ \u8f93\u51fa 1<\/code><\/pre>\n\n\n\n
3. str_starts_with(string $haystack, mixed $needle)   \/\/ \u5224\u65ad\u5b57\u7b26\u4e32\u662f\u5426\u4ee5\u6307\u5b9a\u6587\u672c\u5f00\u5934\uff08PHP 8.0+\uff09<\/p>\n\n\n\n
   \u4f5c\u7528\uff1a\u68c0\u67e5\u5b57\u7b26\u4e32\u662f\u5426\u4ee5\u6307\u5b9a\u7684\u6587\u672c\u5f00\u5934<\/p>\n\n\n\n
\u00a0 \u00a0\u793a\u4f8b\uff1a<\/p>\n\n\n\n
$string = \"Hello PHP World\";\n$result = str_starts_with($string, \"Hello\");\necho $result;  \/\/ \u8f93\u51fa 1<\/code><\/pre>\n\n\n\n
4. str_ends_with(string $haystack, mixed $needle)   \/\/ \u5224\u65ad\u5b57\u7b26\u4e32\u662f\u5426\u4ee5\u6307\u5b9a\u6587\u672c\u7ed3\u5c3e\uff08PHP 8.0+\uff09<\/p>\n\n\n\n
   \u4f5c\u7528\uff1a\u68c0\u67e5\u5b57\u7b26\u4e32\u662f\u5426\u4ee5\u6307\u5b9a\u7684\u6587\u672c\u7ed3\u5c3e<\/p>\n\n\n\n
\u00a0 \u00a0\u793a\u4f8b\uff1a<\/p>\n\n\n\n
$string = \"Hello PHP World\";\n$result = str_ends_with($string, \"World\");\necho $result;  \/\/ \u8f93\u51fa 1<\/code><\/pre>\n\n\n\n
\u7b2c\u4e09\u90e8\u5206\uff1a\u5b57\u7b26\u4e32\u5206\u5272\u4e0e\u683c\u5f0f\u5316<\/strong><\/p>\n\n\n\n
1.explode(string $delimiter, string $string[, int $limit = PHP_INT_MAX])   \/\/ \u5b57\u7b26\u4e32\u5206\u5272\u51fd\u6570<\/p>\n\n\n\n
   \u4f5c\u7528\uff1a\u5c06\u5b57\u7b26\u4e32\u4ee5\u6307\u5b9a\u7684\u5206\u9694\u7b26\u5206\u5272\u6210\u6570\u7ec4<\/p>\n\n\n\n
\u00a0 \u00a0\u793a\u4f8b\uff1a<\/p>\n\n\n\n
$string = \"Hello,PHP,World\";\r\n$result = explode(\",\", $string);\r\nprint_r($result);  \/\/ \u8f93\u51fa Array ( [0] => Hello [1] => PHP [2] => World )<\/code><\/pre>\n\n\n\n
2. trim(string $string[, string $characters = ” \\t\\n\\r\\0\\x0B”])   \/\/ \u5b57\u7b26\u4e32\u4fee\u526a\u51fd\u6570<\/p>\n\n\n\n
   \u4f5c\u7528\uff1a\u53bb\u9664\u5b57\u7b26\u4e32\u9996\u5c3e\u7684\u7a7a\u683c\u6216\u6307\u5b9a\u7684\u5b57\u7b26<\/p>\n\n\n\n
\u00a0 \u00a0\u793a\u4f8b\uff1a<\/p>\n\n\n\n
$string = \"  Hello World  \";\r\n$result = trim($string);\r\necho $result;  \/\/ \u8f93\u51fa \"Hello World\"<\/code><\/pre>\n\n\n\n
3. sprintf(string $format, mixed …$args)   \/\/ \u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u51fd\u6570<\/p>\n\n\n\n
    \u4f5c\u7528\uff1a\u5c06\u6307\u5b9a\u7684\u53d8\u91cf\u6309\u7167\u6307\u5b9a\u7684\u683c\u5f0f\u8fdb\u884c\u683c\u5f0f\u5316\uff0c\u8fd4\u56de\u683c\u5f0f\u5316\u540e\u7684\u5b57\u7b26\u4e32<\/p>\n\n\n\n
\u00a0 \u00a0 \u793a\u4f8b\uff1a<\/p>\n\n\n\n
$name = \"Alice\";\n$age = 25;\n$result = sprintf(\"My name is %s and I am %d years old.\", $name, $age);\necho $result;  \/\/ \u8f93\u51fa \"My name is Alice and I am 25 years old.\"<\/code><\/pre>\n\n\n\n
\u603b\u7ed3\uff1a<\/strong><\/p>\n\n\n\n
\u672c\u6587\u4ecb\u7ecd\u4e8610\u4e2a\u5fc5\u5907\u7684PHP\u5b57\u7b26\u4e32\u5904\u7406\u51fd\u6570\uff0c\u5e76\u63d0\u4f9b\u4e86\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u5e2e\u52a9\u4f60\u66f4\u597d\u5730\u638c\u63e1\u548c\u5e94\u7528\u8fd9\u4e9b\u51fd\u6570\u3002\u901a\u8fc7\u7075\u6d3b\u8fd0\u7528\u8fd9\u4e9b\u51fd\u6570\uff0c\u4f60\u53ef\u4ee5\u66f4\u9ad8\u6548\u5730\u5904\u7406\u5b57\u7b26\u4e32\uff0c\u63d0\u5347\u5f00\u53d1\u6548\u7387\u3002\u5e0c\u671b\u672c\u6587\u80fd\u5bf9\u4f60\u7684PHP\u5f00\u53d1\u5de5\u4f5c\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5728PHP\u5f00\u53d1\u4e2d\uff0c\u5b57\u7b26\u4e32\u662f\u4e00\u4e2a\u4e0d\u53ef\u6216\u7f3a\u7684\u90e8\u5206\u3002\u4e3a\u4e86\u66f4\u9ad8\u6548\u5730\u5904\u7406\u548c\u64cd\u4f5c\u5b57\u7b26\u4e32\uff0c\u6211\u4eec\u9700\u8981\u638c\u63e1\u4e00\u4e9b\u5fc5\u5907\u7684\u5b57\u7b26\u4e32\u5904\u7406\u51fd\u6570 […]<\/p>\n","protected":false},"author":1,"featured_media":489,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-174","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hd"],"_links":{"self":[{"href":"https:\/\/www.hyw.life\/index.php?rest_route=\/wp\/v2\/posts\/174","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hyw.life\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hyw.life\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hyw.life\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hyw.life\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=174"}],"version-history":[{"count":7,"href":"https:\/\/www.hyw.life\/index.php?rest_route=\/wp\/v2\/posts\/174\/revisions"}],"predecessor-version":[{"id":490,"href":"https:\/\/www.hyw.life\/index.php?rest_route=\/wp\/v2\/posts\/174\/revisions\/490"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hyw.life\/index.php?rest_route=\/wp\/v2\/media\/489"}],"wp:attachment":[{"href":"https:\/\/www.hyw.life\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=174"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hyw.life\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=174"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hyw.life\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=174"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}