Php/docs/internals2.opcodes.assign-sub

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ASSIGN_SUB

PHP code

<?php/* * Subtract value1 from value2 and store in variable indicated by value1 * opcode number: 24 */$a-=3;?>

PHP opcodes

Function name: (null)

Compiled variables: !0=$a

line # op fetch ext return operands
6 0 ASSIGN_SUB       !0,3
7 1 RETURN       1