php闈欐€佸彉閲廳efine,static,const_PHP鏁欑▼ | 甯涔嬪
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define() 鍑芥暟瀹氫箟涓€涓父閲忋€?/p>
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甯搁噺鍊煎彧鑳芥槸瀛楃涓叉垨鏁板瓧
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define(name,value,case_insensitive)
class foo {
static $my_static = 5;
public $my_prop = 'bla';
}print foo::$my_static; copyright dedecms
$obj = new foo;
print $obj->my_prop;
?>
const 鏄父閲忥紝鍗充粠绋嬪簭杩愮畻寮€濮嬪埌缁撴潫锛屾暟鍊间笉鍙樼殑閲忋€?/p>
class say_const{
const charset=”涓浗”锛?nbsp;
publice function say_hello(){
echo slef::charset;
}
}
$const1=new say_const()’
$const1->say_hello();
?>
杈撳嚭灏辨槸“涓浗”
涓嬮潰涓€娆惧畬鏁寸殑闈欐€佸彉閲?/p>
function write_file($file,$msg,$usecheck=5){
static $check=1;//杩欓噷鐢ㄥ埌浜唦
$f=@fopen($file,"a+b");
if($f){
if(flock($f,lock_ex)){
fwrite($f,$msg);
flock($f,lock_un);
fclose($f);
}else{
fclose($f);
$check++;
if($check sleep(1);//鏆傚仠涓嬬▼搴?绛夊叾浠栬繘绋嬮噴鏀捐璧勬簮
write_file($file,$msg);
}
}
}else{
$check++;
if($check sleep(1);//鏆傚仠涓嬬▼搴?绛夊叾浠栬繘绋嬮噴鏀捐璧勬簮
write_file($file,$msg);
}
}
}