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函数
夏末微凉的博客
Original
650 people have browsed it

<?php

         function php1(){

              echo "大家好!".'<br/>';

}

        php1();

         pHp1();      //函数不区分大小写


        function php2($a){

             echo 'a='.$a.'<br/>';

}

            php2(10);          //无参函数调用时必须加上参数,有参参数调用可以不用

        function php3($c,$a=1,$b=3){

             echo 'c='.$c.'<br/>'.'a='.$a.'<br/>'.'b=='.$b.'<br/>';

}

        php3(5);           //当函数中有无参函数是要放在最前面

?>


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