internals2-php-opcodes-php-is-equal-5

  • Opcode Descriptions and
    Examples

    • IS_EQUAL

  • IS_EQUAL

    • IS_EQUAL

    IS_EQUAL

    PHP code

    <?php
    /*
     * compares if value1 and value2 are equal
     * opcode number: 17
     */
    echo (1 == 1);
    echo (    1 == 'c');
    ?>

    PHP opcodes

    Function name: (null)

    Compiled variables: none

    line # op fetch ext return operands
    6 0 IS_EQUAL     ~0 1,1
      1 ECHO       ~0
    7 2 IS_EQUAL     ~1 1,’c’
      3 ECHO       ~1
    8 4 RETURN       1