这是因为你混合了嵌套的2个语法if。如果你这样做，它会工作：
这是因为你混合了嵌套的2个语法if。如果你这样做，它会工作：
But since the two alternative if syntaxes are not interchangeable, it's reasonable to expect that the parser wouldn't try matching else statements using one style to if statement using the alternative style. In other words, one would expect that this would work: <? if($a): echo $a; if...
syntax error, unexpected end of file, expecting elseif (T_ELSEIF) or else (T_ELSE) or endif (T_ENDIF) 仔细检查没看到语法提示,这个时候是因为php.ini里面的short_open_tag标签没开启,默认的示关闭的, 在php.ini里面设置short_open_tag = On; 重启php即可。
第一：php的标准if语句语法是：if () {} elseif () {} else {}建议写php代码别偷懒， 写齐了还是更好！二、if语句一般用于相对简单的判断， 如果判断过多， 建议用switch 如：a = 10;switch( $a ) { case 5: echo '小';break; case 10: echo '对了'break; default: echo...
在PHP中，你也可以写'else if'（两个单词），其行为与'elseif'（一个单词）的行为相同。语法含义略...
Syntax The syntax for theelseifstatement is: if(condition1){// code to be executed if condition1 is true}elseif(condition2){// code to be executed if condition1 is false and condition2 is true}elseif(condition3){// code to be executed if condition1 and condition2 are false and condi...
if(2===0) {} else if(2===1) {} else {} } $end=microtime(true); echo"1: ".($end-$start)."\n"; unset($start,$end); $start=microtime(true); for($i=0;$i<100000000;$i++) { if(2===0) {} elseif(2===1) {} else {} ...
Theif...elseif...elseStatement Theif...elseif...elsea special statement that is used to combine multipleif...elsestatements. if(condition1){ // Code to be executed if condition1 is true }elseif(condition2){ // Code to be executed if the condition1 is false and condition2 is true...
<?phpif (false) { $hi = 'Hello to all people!';}echo $hi;?> up down 0 Donny Nyamweya ¶ 11 years ago In addition to the traditional syntax for if (condition) action;I am fond of the ternary operator that does the same thing, but with fewer words and code to type:(...