PHP Variables


  1. What will be the output of the following PHP code ?
    <?php
    $Fiv$e = 5;
    $Si$x = 6;
    $Seve$n = 7;
    $Eigh$t = 8;
    echo "$Fiv$e / $Si$x + $Seve$n / $Eigh$t";
    ?>











  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: B

    You can not use the $ in between the variable name.


  1. What will be the output of the following PHP code ?
    <?php
    $Fiv-e = 5;
    $Si-x = 6;
    $Seve-n = 7;
    $Eigh-t = 8;
    echo "$Fiv-e / $Si-x + $Seve-n / $Eigh-t";
    ?>











  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: D

    You can't use - in a variable name.



  1. What will be the output of the following PHP code ?
    <?php
    $Fiv_e = 5;
    $Si_x = 6;
    $Seve_n = 7;
    $Eigh_t = 8;
    echo "$Fiv_e / $Si_x + $Seve_n / $Eigh_t";
    ?>











  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: B

    You can use _ in a variable name.


  1. What will be the output of the following PHP code ?
    <?php
    echo $Yellow;
    ?>











  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: E

    There will no output returned as the variable $Yellow does not hold any value.



  1. What will be the output of the following PHP code ?
    <?php
    Five = 5;
    Six = 6;
    Seven = 7;
    Eight = 8;
    echo "Five / Six + Seven / Eight";
    ?>









  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: A

    Variables should start with a $ symbol, since Five, Six, Seven, Eight don’t begin with $ symbol we’ll get an error.