PHP\u662f\u4e00\u79cd\u521b\u5efa\u52a8\u6001\u4ea4\u4e92\u6027\u7ad9\u70b9\u7684\u5f3a\u6709\u529b\u7684\u670d\u52a1\u5668\u7aef\u811a\u672c\u8bed\u8a00\uff0c\u5168\u79f0 PHP\u53ef\u514d\u8d39\u4e0b\u8f7d\u4f7f\u7528\uff0cPHP\u4ee3\u7801\u5728\u670d\u52a1\u5668\u4e0a\u6267\u884c\uff0c\u7ed3\u679c\u4ee5\u7eafHTML\u5f62\u5f0f\u8fd4\u56de\u7ed9\u6d4f\u89c8\u5668\u3002PHP\u6587\u4ef6\u540e\u7f00\u662f PHP\u662f\u670d\u52a1\u5668\u7aef\u811a\u672c\uff0c\u5fc5\u987b\u653e\u5728WAMP\u7684www\u76ee\u5f55\u4e0b\u9762\uff0c\u6d4f\u89c8\u5668\u8f93\u5165 PHP\u811a\u672c\u53ef\u4ee5\u653e\u5728\u6587\u6863\u4e2d\u7684\u4efb\u4f55\u4f4d\u7f6e\uff0c\u4ee3\u7801\u653e\u5728 PHP\u662f\u5f31\u53d8\u91cf\u8bed\u8a00\uff0c\u4e0d\u9700\u8981\u58f0\u660e\u53d8\u91cf\u7c7b\u578b\uff0c\u53d8\u91cf\u540d\u5b57\u4ee5 \u53d8\u91cf\u67094\u79cd\u4e0d\u540c\u7684\u53d8\u91cf\u4f5c\u7528\u57df\uff1a PHP\u6709\u4e24\u4e2a\u57fa\u672c\u7684\u8f93\u51fa\u65b9\u5f0f\uff1a PHP\u662f\u5f31\u7c7b\u578b\u8bed\u8a00\uff0c\u5bf9PHP\u53d8\u91cf\u7684\u6bd4\u8f83\u5305\u542b\u677e\u6563\u6bd4\u8f83\u548c\u4e25\u683c\u6bd4\u8f83\u3002 \u4e0d\u540c\u4e8e\u522b\u7684\u7f16\u7a0b\u8bed\u8a00\uff0cPHP\u58f0\u660e\u5e38\u91cf\u9700\u8981\u7528\u5230 \u5b57\u7b26\u4e32\u53d8\u91cf\u7528\u4e8e\u5305\u542b\u6709\u5b57\u7b26\u7684\u503c\u3002 PHP\u4e2d\u4f7f\u7528 \u5173\u8054\u6570\u7ec4\u7c7b\u4f3c\u4e8e \u521b\u5efa\u51fd\u6570<\/p>\n PHP PHP\u662f\u4e00\u79cd\u521b\u5efa\u52a8\u6001\u4ea4\u4e92\u6027\u7ad9\u70b9\u7684\u5f3a\u6709\u529b\u7684\u670d\u52a1\u5668\u7aef\u811a\u672c\u8bed\u8a00\uff0c\u5168\u79f0Hypertext Prepr […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[72],"tags":[],"_links":{"self":[{"href":"http:\/\/www.zyhcoding.club\/index.php\/wp-json\/wp\/v2\/posts\/1255"}],"collection":[{"href":"http:\/\/www.zyhcoding.club\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.zyhcoding.club\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.zyhcoding.club\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.zyhcoding.club\/index.php\/wp-json\/wp\/v2\/comments?post=1255"}],"version-history":[{"count":13,"href":"http:\/\/www.zyhcoding.club\/index.php\/wp-json\/wp\/v2\/posts\/1255\/revisions"}],"predecessor-version":[{"id":1270,"href":"http:\/\/www.zyhcoding.club\/index.php\/wp-json\/wp\/v2\/posts\/1255\/revisions\/1270"}],"wp:attachment":[{"href":"http:\/\/www.zyhcoding.club\/index.php\/wp-json\/wp\/v2\/media?parent=1255"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.zyhcoding.club\/index.php\/wp-json\/wp\/v2\/categories?post=1255"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.zyhcoding.club\/index.php\/wp-json\/wp\/v2\/tags?post=1255"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Hypertext Preprocessor<\/code>(\u8d85\u6587\u672c\u9884\u5904\u7406\u5668)\u3002<\/p>\n.php<\/code>\u3002<\/p>\nlocalhost\/filename.php<\/code>\u624d\u80fd\u6253\u5f00\u3002<\/p>\nPHP \u57fa\u672c\u8bed\u6cd5<\/h4>\n
<?php ?><\/code>\u91cc\u9762\u3002PHP\u6587\u4ef6\u901a\u5e38\u662f\u4e00\u4e9bHTML\u6807\u7b7e\u548cPHP\u811a\u672c\u4ee3\u7801\uff0c\u4ee3\u7801\u6267\u884c\u987a\u5e8f\u4e5f\u662f\u4ece\u4e0a\u5230\u4e0b\uff0c\u4e0b\u5217\u4ee3\u7801\u8f93\u51faHello World!<\/code>\u3002\u6ce8\u91ca\u8bed\u6cd5\u540cC++\u3002<\/p>\n<!DOCTYPE html>\n<html>\n<body>\n <h1>My first PHP page<\/h1>\n\n<?php\n \/\/ \u5355\u884c\u6ce8\u91ca\n echo "Hello World!";\n\n?>\n\n<\/body>\n<\/html><\/code><\/pre>\nPHP \u53d8\u91cf<\/h4>\n
$<\/code>\u7b26\u53f7\u5f00\u59cb\uff0c\u540e\u9762\u8ddf\u53d8\u91cf\u7684\u540d\u79f0\u3002\u4e5f\u53ef\u4ee5\u4f7f\u7528var<\/code>\u5173\u952e\u5b57\u58f0\u660e\u4e00\u4e2a\u53d8\u91cf\u3002
\n\u4e3b\u8981\u7c7b\u578b\u6709\uff1a\u5b57\u7b26\u4e32\uff0c\u6574\u6570\uff0c\u6d6e\u70b9\u6570\uff0c\u5e03\u5c14\u578b\uff0c\u6570\u7ec4\uff0c\u5bf9\u8c61\uff0cPHP NULL\u503c\u3002<\/p>\n<?php\n$x=5;\n$y=6;\n$z=$x+$y;\necho $z;\n\n$cars=array("Volvo","BMW","Toyota");\n\n\/\/ \u5b9a\u4e49\u7c7b\u4ee5\u53ca\u5b9e\u73b0\u5176\u6784\u9020\u51fd\u6570\u548c\u5176\u5b83\u65b9\u6cd5\u3002\nclass Car\n{\n var $color;\n function __construct($color="green") {\n $this->color = $color;\n }\n function what_color() {\n return $this->color;\n }\n}\n\n?><\/code><\/pre>\nlocal global static parameter<\/code>\uff0cglobal<\/code>\u8868\u793a\u5168\u5c40\uff0cstatic<\/code>\u8868\u793a\u9759\u6001\u3002<\/p>\nPHP \u8f93\u51fa<\/h4>\n
print echo<\/code>
\necho<\/code>-\u53ef\u4ee5\u8f93\u51fa\u4e00\u4e2a\u6216\u591a\u4e2a\u5b57\u7b26\u4e32
\nprint<\/code>-\u53ea\u5141\u8bb8\u8f93\u51fa1\u4e2a\u5b57\u7b26\u4e32\uff0c\u51fd\u6570\u8fd4\u56de\u4e3a1<\/p>\necho<\/code>\u662f\u4e00\u4e2a\u8bed\u8a00\u7ed3\u6784\uff0c\u8f93\u51fa\u591a\u4e2a\u5b57\u7b26\u4e32\u65f6\uff0c\u7528\u9017\u53f7\u9694\u5f00\u5b57\u7b26\u4e32\u3002<\/p>\n<?php\necho "<h2>PHP \u5f88\u6709\u8da3!<\/h2>";\necho "Hello world!<br>";\necho "\u6211\u8981\u5b66 PHP!<br>";\necho "\u8fd9\u662f\u4e00\u4e2a", "\u5b57\u7b26\u4e32\uff0c", "\u4f7f\u7528\u4e86", "\u591a\u4e2a", "\u53c2\u6570\u3002";\n?><\/code><\/pre>\nPHP \u7c7b\u578b\u6bd4\u8f83<\/h4>\n
\n\u677e\u6563\u6bd4\u8f83\uff1a==<\/code>\uff0c\u53ea\u6bd4\u8f83\u503c\uff0c\u4e0d\u6bd4\u8f83\u7c7b\u578b\u3002
\n\u4e25\u683c\u6bd4\u8f83\uff1a===<\/code>\uff0c\u9664\u4e86\u6bd4\u8f83\u503c\uff0c\u8fd8\u8981\u6bd4\u8f83\u7c7b\u578b\u3002<\/p>\n<?php\nif (42 == "42") {\n echo "\u503c\u76f8\u7b49";\n}\n\necho PHP_EOL;\/\/\u6362\u884c\u7b26\n\necho (42==="42");\n\n?>\n<\/code><\/pre>\nPHP \u5e38\u91cf<\/h4>\n
define(string $name, mixed $value [, bool $case_insentive=false])<\/code>\u51fd\u6570\u3002\u5e38\u91cf\u9ed8\u8ba4\u662f\u5168\u5c40\u7684\u3002
\n\u51fd\u6570\u5404\u53c2\u6570\u529f\u80fd\uff1a
\n$name<\/code>-\u9700\u8981\u5b9a\u4e49\u7684\u5e38\u91cf\u7684\u540d\u79f0
\n$value<\/code>-\u53d8\u91cf\u503c
\ncase_insentive<\/code>-\u53ef\u7f3a\u7701\u53c2\u6570\uff0c\u8868\u793a\u8be5\u53d8\u91cf\u540d\u79f0\u5927\u5c0f\u5199\u662f\u5426\u654f\u611f\uff0c\u9ed8\u8ba4\u4e3afalse\u4e0d\u660e\u663e\u3002<\/p>\n<?php\ndefine("GREETING", "welcome!");\necho GREETING;\n?><\/code><\/pre>\nPHP \u5b57\u7b26\u4e32<\/h4>\n
\n$a.$b<\/code>-.<\/code>\u662f\u5e76\u7f6e\u8fd0\u7b97\u7b26\uff0c\u7528\u4e8e\u8fde\u63a5\u4e24\u4e2a\u5b57\u7b26\u4e32\u3002
\nstrlen($a)<\/code>-\u8fd4\u56de\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\u3002\u4e0b\u6807\u4ece0\u5f00\u59cb\u3002
\nstrpos($a, $b)<\/code>-\u5728a\u4e2d\u5339\u914d\u662f\u5426\u5b58\u5728b\uff0c\u4e0d\u5b58\u5728\u8fd4\u56deFALSE,\u5b58\u5728\u8fd4\u56de\u7b2c\u4e00\u6b21\u51fa\u73b0\u7684\u4f4d\u7f6e\u3002<\/p>\n<?php\n$a = "hello world!";\n$b = "world";\nprint $a.$b;\n\nprint strlen($a.$b);\n\necho ($a.$b)[0];\n\necho strpos($a, $b);\n?><\/code><\/pre>\nPHP\u6570\u7ec4<\/h4>\n
array()<\/code>\u51fd\u6570\u521b\u5efa\u6570\u7ec4\uff0c\u67093\u79cd\u7c7b\u578b\u6570\u7ec4\uff1a\u6570\u503c\u6570\u7ec4\uff0c\u5173\u8054\u6570\u7ec4\uff0c\u591a\u7ef4\u6570\u7ec4<\/strong>\u3002count($arr)<\/code>\u51fd\u6570\u8fd4\u56de\u6570\u7ec4\u7684\u957f\u5ea6\u3002
\n\u6570\u503c\u6570\u7ec4\u5c31\u662f\u666e\u901a\u6570\u7ec4\u3002\u3002<\/p>\n$cars=array("Volvo","BMW","Toyota");\necho count($cars);<\/code><\/pre>\nmap<\/code>\uff0c\u5373\u952e-\u503c\u6570\u7ec4\u3002\u4f7f\u7528\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n$age=array("Peter"=>"35","Ben"=>"37","Joe"=>"43");\n$age['hello']="world!"\uff1b\n\nfor ($age as $x=>$x_value) {\n echo "key = ".$x.", value = ".$x_value;\n}\n<\/code><\/pre>\nPHP \u51fd\u6570<\/h4>\n
<php\nfunction myfunction() {\n \/\/ \u8981\u6267\u884c\u7684\u4ee3\u7801\n return $x; \/\/ x\u53ef\u4ee5\u662f\u4efb\u4f55\u7c7b\u578b\n}\n\nmyfunction();\n\n?><\/code><\/pre>\nPHP\u9762\u5411\u5bf9\u8c61<\/h4>\n","protected":false},"excerpt":{"rendered":"