CONCAT

PHP code

<?php
/*
 * Concats string values string1 and string2
 * opcode number: 8
 */
echo "hello" . "world";
?>

PHP opcodes

Function name: (null)

Compiled variables: none

line#opfetchextreturnoperands
60CONCAT  ~0'hello','world'
 1ECHO   ~0
72RETURN   1