Php/docs/internals2.opcodes.throw

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THROW

PHP code

<?php/* *  * opcode number: 108 */try {    $error = 'Always throw this error';    throw new Exception($error);    // Code following an exception is not executed.    echo 'Never executed';} catch (Exception $e) {    echo 'Caught exception: ',  $e->getMessage(), "\n";}// Continue executionecho 'Hello World';?>

PHP opcodes

Function name: (null)

Compiled variables: !0=$error, !1=$e

line # op fetch ext return operands
7 0 ASSIGN       !0,'Always+throw+this+error'
8 1 ZEND_FETCH_CLASS     :1 'Exception'
  2 NEW     $2 :1
  3 SEND_VAR       !0
  4 DO_FCALL_BY_NAME   1    
  5 ZEND_THROW   0   $2
11 6 ECHO       'Never+executed'
13 7 JMP       ->15
  8 ZEND_FETCH_CLASS     :4 'Exception'
  9 ZEND_CATCH   15   $4,!1
14 10 ECHO       'Caught+exception%3A+'
  11 ZEND_INIT_METHOD_CALL       !1,'getMessage'
  12 DO_FCALL_BY_NAME   0    
  13 ECHO       $6
  14 ECHO       '%0A'
18 15 ECHO       'Hello+World'
19 16 RETURN       1