internals2-php-opcodes-php-sub-5

  • Opcode Descriptions and
    Examples

    • SUB

  • SUB

    • SUB

    SUB

    PHP code

    <?php
    /*
     * Subtracts "value2" from "value1" and stores the result into "result".
     * opcode number: 2
     */
    echo 1-2;
    ?>

    PHP opcodes

    Function name: (null)

    Compiled variables: none

    line # op fetch ext return operands
    6 0 SUB     ~0 1,2
      1 ECHO       ~0
    7 2 RETURN       1