Companies are useful to these businesses, it's always right to know more about them.
Now start a series of PHP learning ...
<?PHP$boo=true; if($boo==true) Echo' Variable $boo is true! ‘; Else Echo' Variable $boo is false! ‘; Echo"<p>"; $i= ' will see only once '; Echo"$i"; Echo"<p>"; Echo' $i '; Echo"<p>"; $str 1= 1234567890; $str 2= 0x1234567890; $STR 3= 01234567890; $STR 4= 01234567; Echo' Number 1234567890 different binary output results:<p> '; EchoThe ' decimal result is: '.$str 1.‘ <br> '; EchoThe ' hexadecimal result is: '.$str 2.‘ <br> '; Echo' The result of octal is: '; if($STR 3==$STR 4){ Echo' $str 3 = $str 4 = '.$STR 3; }Else{ Echo' $str 3-STR4 '; } $arr 1=Array(' This ', ' is ', ' a ', ' example ')); $arr 2=Array(0=> ' php ',1=> ' is ', ' the ' = ' and ' the ', str = ' best '); $arr 3[0] = ' tmpname '; Echo"<p>"; Echo $arr 1[1]; Echo $arr 2[' Str ']; Echo $arr 3[0]; Echo"<p>"; EchoThe variable (\ $string 1) is directly assigned the value null: "; $string 1=NULL; if(Is_null($string 1)) Echo"String1 = null"; Echo"<p>"; $num= ' 3.1415926r*r '; Echo' Use the (integer) operator to convert the variable $num type: '; Echo(integer)$num; Echo"<p>"; $boo= "03563562345245"; if(Is_numeric($boo)) Echo"Yes, the \ $boo is a phone number:$boo!"; Else Echo"Sorry, this was an error!"; Echo"<p>"; Define("MESSAGE", "can see once"); EchoMESSAGE. " <BR> "; Echo"<p>"; EchoMessage. " <BR> "; Echo"<p>"; Define("COUNT", "can see multiple times",true); Echo COUNT." <br> "; Echo"<p>"; Echo Count." <BR> "; Echo"<p>"; $name= "Count"; Echo constant($name)." <BR> "; Echo(defined("MESSAGE")). " <BR> "; Echo"<p>"; Echo"Current file path:".__file__; functionZdy () {Static $message= 0; $message+ = 1; Echo $message." "; } functionzdy1 () {$message= 0; $message+ = 1; Echo $message." "; } for($i= 0;$i< 10;$i++) Zdy (); Echo"<br>"; for($i= 0;$i< 10;$i++) zdy1 (); Echo"<br>";?>
Does this even make PHP? -1