International PHP Conference 2015

ADD_CHAR

PHP code

<?php
/*
 * add regular characters in encapsed string
 * opcode number: 54
 */
echo "$a ";
?>

PHP opcodes

Function name: (null)

Compiled variables: !0=$a

line#op fetchextreturn operands
60 ADD_VAR     !0
 1 ADD_CHAR     32
 2 ECHO    
 3 RETURN     1
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