{"id":171,"date":"2025-11-17T15:06:48","date_gmt":"2025-11-17T07:06:48","guid":{"rendered":"https:\/\/www.lichengkun.com\/?p=171"},"modified":"2025-11-17T15:09:10","modified_gmt":"2025-11-17T07:09:10","slug":"171","status":"publish","type":"post","link":"https:\/\/www.lichengkun.com\/index.php\/2025\/11\/17\/171\/","title":{"rendered":"php\u8bed\u6cd5\u901f\u5b66"},"content":{"rendered":"\n

<\/h1>\n\n\n\n

\u8f93\u51fa<\/h2>\n\n\n\n

<?php\u5f00\u59cb\uff0c<\/p>\n\n\n\n

?>\u7ed3\u675f\u7684\u3002<\/p>\n\n\n\n

\u8f93\u51fa\u4e3a\uff1aecho \u8981\u8f93\u51fa\u7684\u5185\u5bb9\u3002<\/p>\n\n\n\n

\u5982\uff1aecho ” hello world”;<\/p>\n\n\n\n

echo ” x1\u7684\u6570\u4e3a\uff1a$x1″<\/p>\n\n\n\n

\n\n\n\n

php\u5b9a\u4e49\u53d8\u91cf<\/h2>\n\n\n\n

$x=1; php\u4e3a\u5f31\u5b9a\u4e49\u8bed\u6cd5\uff0c\u4f60\u8d4b\u503c\u7684\u65f6\u5019\u81ea\u52a8\u5b9a\u4e49\u53d8\u91cf<\/p>\n\n\n\n

$x=” hello”; \u5b57\u7b26\u4e32\u53d8\u91cf<\/p>\n\n\n\n

\n\n\n\n

\u5b9a\u4e49\u51fd\u6570\u548c\u5168\u5c40\u4ee5\u53ca\u5c40\u90e8\u53d8\u91cf\u548cglobal\u7684\u4f7f\u7528<\/h2>\n\n\n\n

$x=1;\u5168\u5c40\u53d8\u91cf<\/p>\n\n\n\n

function mylest() \/\/mylest\u662f\u51fd\u6570\u540d<\/p>\n\n\n\n

{<\/p>\n\n\n\n

global $x;\/\/\u53ea\u6709\u8fd9\u6837\u624d\u80fd\u8c03\u7528\u5916\u9762\u7684\u5168\u5c40\u53d8\u91cf<\/p>\n\n\n\n

static $y=10;\/\/\u5c40\u90e8\u53d8\u91cf static \u4fdd\u8bc1\u5c40\u90e8\u53d8\u91cf\u4e0d\u4f1a\u88ab\u5220\u9664\uff0c\u80fd\u591f\u987a\u52bf\u52a0\u52a0<\/p>\n\n\n\n

echo $y;<\/p>\n\n\n\n

$y++;<\/p>\n\n\n\n

echo PHP_EOL\uff1b<\/p>\n\n\n\n

}<\/p>\n\n\n\n

mylest()\uff1b\/\/10<\/p>\n\n\n\n

mylest()\uff1b\/\/11<\/p>\n\n\n\n

mylest()\uff1b\/\/12<\/p>\n\n\n\n

\n\n\n\n

\u5e76\u7f6e\u8fd0\u7b97\u7b26\uff08\u5c06\u4e24\u4e2a\u5b57\u7b26\u4e32\u62fc\u63a5\u8d77\u6765\uff09<\/h2>\n\n\n\n

$x=”aaaa”;<\/p>\n\n\n\n

$y=”bbbb”;<\/p>\n\n\n\n

echo $x.” “.$y;\uff08\u201c \u201d\u8fd9\u6837\u52a0\u7a7a\u683c\uff09<\/p>\n\n\n\n

\n\n\n\n

\u5b57\u7b26\u4e32\u7684\u957f\u5ea6<\/h2>\n\n\n\n

$x=”aaaa”;<\/p>\n\n\n\n

echo strlen($x); \uff08\u7a7a\u683c\u4e5f\u7b97\u4e00\u4e2a\uff09<\/p>\n\n\n\n

\n\n\n\n

\u5b57\u7b26\u4e32\u5339\u914d\u51fd\u6570<\/h2>\n\n\n\n

$x=”aaa baa”;<\/p>\n\n\n\n

echo strpos($x,”b”);\u4f1a\u8fd4\u56de\u5339\u914d\u7684\u7b2c\u4e00\u4e2a\uff0c\u5f00\u59cb\u5b57\u7b26\u4e0b\u6807\u4e3a0\uff0c\u627e\u4e0d\u5230\u4f1a\u8fd4\u56deflash;<\/p>\n\n\n\n

\n\n\n\n
\"QQ_1761998733291\"\/<\/div><\/figure>\n\n\n\n

x===y \u8fd9\u4e2a\u662f\u7edd\u5bf9\u7b49\u4e8e\uff08\u5f53\u4e14\u4ec5\u5f53\u6570\u503c\u76f8\u7b49\u5e76\u4e14\u7c7b\u578b\u76f8\u7b49\u7684\u65f6\u5019\u8fd4\u56detrue\uff09<\/p>\n\n\n\n

x!==y \u8fd9\u4e2a\u662f\u4e0d\u7edd\u5bf9\u7b49\u4e8e\uff08\u5f53\u6570\u503c\u4e0d\u76f8\u7b49\u6216\u8005\u7c7b\u578b\u4e0d\u76f8\u7b49\u7684\u65f6\u5019\u8fd4\u56detrue\uff09<\/p>\n\n\n\n

\u4e09\u7c7b\u8fd0\u7b97\u7b26\uff1a\u5982\uff1a$x=$a>$b?$a:$b;<\/p>\n\n\n\n

\n\n\n\n

\u5411\u4e0b\u53d6\u6574<\/h2>\n\n\n\n

intdiv(10,3) \u662f\u7b2c\u4e00\u4e2a\u6570\u9664\u4ee5\u7b2c\u4e8c\u4e2a\u6570\u5e76\u4e14\u5411\u4e0b\u53d6\u6574<\/p>\n\n\n\n

\n\n\n\n

if \uff0celseif,else,switch\uff0cwhile\uff0cdo while ,for\u7528\u6cd5\u548cc\u4e00\u6837\u4e0d\u8bb0\u5f55\u4e86<\/h4>\n\n\n\n
\n\n\n\n

\u6570\u7ec4<\/h2>\n\n\n\n

$x=array(“a”,”b”,”c”);<\/p>\n\n\n\n

echo $x[0];<\/p>\n\n\n\n

count($x) \u8fd9\u4e2a\u662f\u83b7\u5f97\u6570\u7ec4\u7684\u957f\u5ea6<\/p>\n\n\n\n

\n\n\n\n

\u5173\u8054\u6570\u7ec4<\/h2>\n\n\n\n

$x=array(“pater”=>”35”.”ben”=>”34″);<\/p>\n\n\n\n

\u4e5f\u5c31\u7b49\u4e8e\uff1a $x[pater]=”35″;<\/p>\n\n\n\n

\n\n\n\n

\u6570\u7ec4\u7684\u53e6\u4e00\u79cd\u904d\u5386\u65b9\u5f0f<\/h2>\n\n\n\n

\u4f8b\u5982\u4e0a\u9762\u7684\u5173\u8054\u6570\u7ec4\uff1a<\/p>\n\n\n\n

forecho($x as $key=>$value)<\/p>\n\n\n\n

\n\n\n\n

sort($x) \u6839\u636e\u6570\u503c\u5347\u5e8f<\/p>\n\n\n\n

rsort() \u6839\u636e\u6570\u503c\u964d\u5e8f<\/p>\n\n\n\n

\n\n\n\n

\u7c7b\u4e0e\u5bf9\u8c61<\/h2>\n\n\n\n

class fruit \/\/fruit\u8fd9\u4e2a\u662f\u5bf9\u8c61\u540d<\/p>\n\n\n\n

{<\/p>\n\n\n\n

public $name;<\/p>\n\n\n\n

public $color; \/\/\u8fd9\u4e2a\u662f\u5c5e\u6027\uff1b<\/p>\n\n\n\n

function set_name($name)<\/p>\n\n\n\n

{<\/p>\n\n\n\n

$this->name=$name;<\/p>\n\n\n\n

}<\/p>\n\n\n\n

function get_name($name)<\/p>\n\n\n\n

{<\/p>\n\n\n\n

return $this->name;<\/p>\n\n\n\n

}<\/p>\n\n\n\n

function say_name($name)<\/p>\n\n\n\n

{<\/p>\n\n\n\n

echo $this->name;<\/p>\n\n\n\n

}<\/p>\n\n\n\n

}<\/p>\n\n\n\n

$apple =new fruit();<\/p>\n\n\n\n

$banana = new fruit();<\/p>\n\n\n\n

$apple->set_name(‘apple’);<\/p>\n\n\n\n

$apple->get_name();<\/p>\n\n\n\n

$apple->say_name();<\/p>\n\n\n\n

\n\n\n\n

\u9b54\u672f\u65b9\u6cd5<\/h1>\n\n\n\n

1<\/h2>\n\n\n\n

class person<\/p>\n\n\n\n

{<\/p>\n\n\n\n

public $name;<\/p>\n\n\n\n

public $age;<\/p>\n\n\n\n

public function __contruct($name=” “,$age=22)\/\/\u9b54\u672f\u65b9\u6cd5\u81ea\u5e26\u8d4b\u503c\uff0c\u4e5f\u53ef\u4ee5\u4e0d\u4ed8\u503c\u3002<\/p>\n\n\n\n

{<\/p>\n\n\n\n

$this->name=$name;<\/p>\n\n\n\n

$this->age=$age;<\/p>\n\n\n\n

}<\/p>\n\n\n\n

public function say()<\/p>\n\n\n\n

{<\/p>\n\n\n\n

echo $this->name.$this->age;<\/p>\n\n\n\n

}<\/p>\n\n\n\n

}<\/p>\n\n\n\n

$x=new person(“\u5c0f\u660e”);<\/p>\n\n\n\n

$x->say;<\/p>\n\n\n\n

\n\n\n\n

2<\/h2>\n\n\n\n

lass person<\/p>\n\n\n\n

{<\/p>\n\n\n\n

public $name;<\/p>\n\n\n\n

public $age;<\/p>\n\n\n\n

public function __contruct($name=” “,$age=22)\/\/\u9b54\u672f\u65b9\u6cd5\u81ea\u5e26\u8d4b\u503c\uff0c\u4e5f\u53ef\u4ee5\u4e0d\u4ed8\u503c\u3002<\/p>\n\n\n\n

{<\/p>\n\n\n\n

$this->name=$name;<\/p>\n\n\n\n

$this->age=$age;<\/p>\n\n\n\n

}<\/p>\n\n\n\n

public function say()<\/p>\n\n\n\n

{<\/p>\n\n\n\n

echo $this->name.$this->age;<\/p>\n\n\n\n

}<\/p>\n\n\n\n

public __call($funName,$arguments)<\/p>\n\n\n\n

{<\/p>\n\n\n\n

echo ” \u4f60\u6240\u8c13\u7684\u51fd\u6570\uff1a”.$funName;\/\/\u8f93\u51fa\u4e0d\u5b58\u5728\u7684\u65b9\u6cd5\u540d\uff1b<\/p>\n\n\n\n

print_r($arguments);\/\/\u8f93\u51fa\u4e0d\u5b58\u5728\u7684\u65b9\u6cd5\u53c2\u6570\u5217\u8868\uff1b<\/p>\n\n\n\n

echo “\u4e0d\u5b58\u5728”\uff1b<\/p>\n\n\n\n

}<\/p>\n\n\n\n

}<\/p>\n\n\n\n

$x=new person(“\u5c0f\u660e”);<\/p>\n\n\n\n

$x->say;<\/p>\n\n\n\n

$x->run(“teacher”);\/\/\u8fd9\u91cc\u5c31\u662f\u8c03\u7528\u4e86\u4e0d\u5b58\u5728\u7684\u65b9\u6cd5\u540d<\/p>\n\n\n\n

3<\/h2>\n\n\n\n

class fruit \/\/fruit\u8fd9\u4e2a\u662f\u5bf9\u8c61\u540d<\/p>\n\n\n\n

{<\/p>\n\n\n\n

priavet $name;<\/p>\n\n\n\n

priavet $color; \/\/\u8fd9\u4e2a\u662f\u79c1\u6709\u5c5e\u6027\uff1b<\/p>\n\n\n\n

function __set($name)\/\/\u5916\u90e8\u7ed9\u79c1\u6709\u5c5e\u6027\u8d4b\u503c<\/p>\n\n\n\n

{<\/p>\n\n\n\n

$this->name=$name;<\/p>\n\n\n\n

}<\/p>\n\n\n\n

function __get($PName)\/\/\u4f7f\u5916\u90e8\u53ef\u4ee5\u8c03\u7528\u79c1\u6709\u5c5e\u6027<\/p>\n\n\n\n

{<\/p>\n\n\n\n

return $this->name;<\/p>\n\n\n\n

}<\/p>\n\n\n\n

function say_name($name)<\/p>\n\n\n\n

{<\/p>\n\n\n\n

echo $this->name;<\/p>\n\n\n\n

}<\/p>\n\n\n\n

}<\/p>\n\n\n\n

$apple =new fruit();<\/p>\n\n\n\n

echo $apple->name;\/\/\u8fd9\u91cc\u8c03\u7528\u79c1\u6709\u5c5e\u6027\uff0c\u5c31\u4f1a\u89e6\u53d1__get;<\/p>\n\n\n\n

$apple->color=”red”;\/\/\u8fd9\u91cc\u5c31\u4f1a\u89e6\u53d1__set<\/p>\n","protected":false},"excerpt":{"rendered":"

\u8f93\u51fa <?php\u5f00\u59cb\uff0c ?>\u7ed3\u675f\u7684\u3002 \u8f93\u51fa\u4e3a\uff1aecho \u8981\u8f93\u51fa\u7684\u5185\u5bb9\u3002 \u5982\uff1aecho &#8221 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-171","post","type-post","status-publish","format-standard","hentry","category-1"],"_links":{"self":[{"href":"https:\/\/www.lichengkun.com\/index.php\/wp-json\/wp\/v2\/posts\/171","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lichengkun.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lichengkun.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lichengkun.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lichengkun.com\/index.php\/wp-json\/wp\/v2\/comments?post=171"}],"version-history":[{"count":2,"href":"https:\/\/www.lichengkun.com\/index.php\/wp-json\/wp\/v2\/posts\/171\/revisions"}],"predecessor-version":[{"id":173,"href":"https:\/\/www.lichengkun.com\/index.php\/wp-json\/wp\/v2\/posts\/171\/revisions\/173"}],"wp:attachment":[{"href":"https:\/\/www.lichengkun.com\/index.php\/wp-json\/wp\/v2\/media?parent=171"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lichengkun.com\/index.php\/wp-json\/wp\/v2\/categories?post=171"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lichengkun.com\/index.php\/wp-json\/wp\/v2\/tags?post=171"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}