Php/docs/internals2.opcodes.assign

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ASSIGN

PHP code

<?php/* * assigns value1 to result * opcode number: 38 */$a=1;$a='a';$a=new A();?>

PHP opcodes

Function name: (null)

Compiled variables: !0=$a

line # op fetch ext return operands
6 0 ASSIGN       !0,1
7 1 ASSIGN       !0,'a'
8 2 ZEND_FETCH_CLASS     :2 'A'
  3 NEW     $3 :2
  4 DO_FCALL_BY_NAME   0    
  5 ASSIGN       !0,$3
9 6 RETURN       1