{"id":47,"date":"2017-06-14T12:17:53","date_gmt":"2017-06-14T04:17:53","guid":{"rendered":"http:\/\/blog.mrfai.cn\/?p=47"},"modified":"2020-06-06T15:34:16","modified_gmt":"2020-06-06T07:34:16","slug":"php%e5%88%86%e5%89%b2%e5%ad%97%e7%ac%a6%e4%b8%b2%e7%9a%84%e5%87%a0%e7%a7%8d%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/blog.mrfai.cn\/index.php\/2017\/06\/14\/47\/","title":{"rendered":"PHP\u5206\u5272\u5b57\u7b26\u4e32\u7684\u51e0\u79cd\u65b9\u6cd5"},"content":{"rendered":"\n

explode(separator, string, limit)<\/h1>\n\n\n\n

explode() \u51fd\u6570\u628a\u5b57\u7b26\u4e32\u6253\u6563\u4e3a\u6570\u7ec4\u3002
\u6ce8\u91ca\uff1a\u201dseparator\u201d \u53c2\u6570\u4e0d\u80fd\u662f\u7a7a\u5b57\u7b26\u4e32\u3002
\u6ce8\u91ca\uff1a\u8be5\u51fd\u6570\u662f\u4e8c\u8fdb\u5236\u5b89\u5168\u7684\u3002<\/p><\/blockquote>\n\n\n\n

\u53c2\u6570<\/th>\u63cf\u8ff0<\/th><\/tr><\/thead>
separator<\/td>\u5fc5\u9700\u3002\u89c4\u5b9a\u5728\u54ea\u91cc\u5206\u5272\u5b57\u7b26\u4e32\u3002<\/td><\/tr>
string<\/td>\u5fc5\u9700\u3002\u8981\u5206\u5272\u7684\u5b57\u7b26\u4e32\u3002<\/td><\/tr>
limit<\/td>\u53ef\u9009\u3002\u89c4\u5b9a\u6240\u8fd4\u56de\u7684\u6570\u7ec4\u5143\u7d20\u7684\u6570\u76ee\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

limit\u53ef\u80fd\u7684\u503c:
\u5927\u4e8e 0 – \u8fd4\u56de\u5305\u542b\u6700\u591a limit \u4e2a\u5143\u7d20\u7684\u6570\u7ec4
\u5c0f\u4e8e 0 – \u8fd4\u56de\u5305\u542b\u9664\u4e86\u6700\u540e\u7684-limit\u4e2a\u5143\u7d20\u4ee5\u5916\u7684\u6240\u6709\u5143\u7d20\u7684\u6570\u7ec4
0 – \u8fd4\u56de\u5305\u542b\u4e00\u4e2a\u5143\u7d20\u7684\u6570\u7ec4<\/p><\/blockquote>\n\n\n\n

$str = \"Hello world. I love Shanghai!\";\n$result=explode(\".\",$str);\ndump($result);\n\n# \u8fd0\u884c\u7ed3\u679c\narray(2) {\n   [0] => string(11) \"Hello world\"\n   [1] => string(17) \" I love Shanghai!\"\n}<\/pre>\n\n\n\n
strtok(string, split)<\/h1>\n\n\n\n
\u6309\u5355\u8bcd\u5206\u5272\u5b57\u7b26\u4e32\uff1a<\/p>
\u5728\u4e0b\u9762\u7684\u5b9e\u4f8b\u4e2d\uff0c\u8bf7\u6ce8\u610f\uff0c\u6211\u4eec\u4ec5\u5728\u7b2c\u4e00\u6b21\u8c03\u7528 strtok() \u51fd\u6570\u65f6\u4f7f\u7528\u4e86 string \u53c2\u6570\u3002\u5728\u9996\u6b21\u8c03\u7528\u540e\uff0c\u8be5\u51fd\u6570\u4ec5\u9700\u8981 split \u53c2\u6570\uff0c\u8fd9\u662f\u56e0\u4e3a\u5b83\u6e05\u695a\u81ea\u5df1\u5728\u5f53\u524d\u5b57\u7b26\u4e32\u4e2d\u6240\u5728\u7684\u4f4d\u7f6e\u3002\u5982\u9700\u5206\u5272\u4e00\u4e2a\u65b0\u7684\u5b57\u7b26\u4e32\uff0c\u8bf7\u518d\u6b21\u8c03\u7528\u5e26 string \u53c2\u6570\u7684 strtok()\uff1a<\/p><\/blockquote>\n\n\n\n
$string = \"Hello world. Beautiful day today.\";\n$token = strtok($string, \" \");\n\nwhile ($token != false) {\n   echo \"$token<br>\";\n   $token = strtok(\" \");\n}\n\n# \u8fd0\u884c\u7ed3\u679c\nHello\nworld.\nBeautiful\nday\ntoday.<\/pre>\n\n\n\n
str_split(string, length)<\/h1>\n\n\n\n
str_split() \u51fd\u6570\u628a\u5b57\u7b26\u4e32\u5206\u5272\u5230\u6570\u7ec4\u4e2d\u3002<\/p>
\u8fd4\u56de\u503c\uff1a
\u5982\u679c length \u5c0f\u4e8e 1\uff0c\u5219 str_split() \u51fd\u6570\u5c06\u8fd4\u56de FALSE\u3002
\u5982\u679c length \u5927\u4e8e\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\uff0c\u5219\u6574\u4e2a\u5b57\u7b26\u4e32\u5c06\u4f5c\u4e3a\u6570\u7ec4\u7684\u552f\u4e00\u5143\u7d20\u8fd4\u56de\u3002<\/p><\/blockquote>\n\n\n\n
$string = \"Hello world. Beautiful day today.\";\n$result=str_split($string,5);\ndump($result);\n\n# \u8fd0\u884c\u7ed3\u679c\uff1a\narray(7) {\n   [0] => string(5) \"Hello\"\n   [1] => string(5) \" worl\"\n   [2] => string(5) \"d. Be\"\n   [3] => string(5) \"autif\"\n   [4] => string(5) \"ul da\"\n   [5] => string(5) \"y tod\"\n   [6] => string(3) \"ay.\"\n}<\/pre>\n","protected":false},"excerpt":{"rendered":"
explode(separator, string…<\/p>\n
Continue readingPHP\u5206\u5272\u5b57\u7b26\u4e32\u7684\u51e0\u79cd\u65b9\u6cd5<\/span><\/a><\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[5],"class_list":["post-47","post","type-post","status-publish","format-standard","hentry","category-php","tag-php","entry"],"_links":{"self":[{"href":"https:\/\/blog.mrfai.cn\/index.php\/wp-json\/wp\/v2\/posts\/47","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.mrfai.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.mrfai.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.mrfai.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.mrfai.cn\/index.php\/wp-json\/wp\/v2\/comments?post=47"}],"version-history":[{"count":6,"href":"https:\/\/blog.mrfai.cn\/index.php\/wp-json\/wp\/v2\/posts\/47\/revisions"}],"predecessor-version":[{"id":53,"href":"https:\/\/blog.mrfai.cn\/index.php\/wp-json\/wp\/v2\/posts\/47\/revisions\/53"}],"wp:attachment":[{"href":"https:\/\/blog.mrfai.cn\/index.php\/wp-json\/wp\/v2\/media?parent=47"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.mrfai.cn\/index.php\/wp-json\/wp\/v2\/categories?post=47"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.mrfai.cn\/index.php\/wp-json\/wp\/v2\/tags?post=47"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}