Multi-line code in PHP interactive shell -

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I'm learning to use PHP interactive shell, but I'm having trouble with multi-line code.

Using backslashes such as Unix shells does not work. What am i doing 

  php> function test () {\ php {echo "test"; \ Php {} \ php> testing(); PHP Parse error: syntax error, expected T_STRING in unexpected T_ECHO, php shell code on line 2

Just is not saved: 

  php> function test () php> {PHP {resonant "test"; Php {} php> testing(); Test

However, you will have problems in some cases, such as: 

  php> if (conditional) php> {Php {// ... php {} php> Other PHP & gt; {Php {// ... php {}

Thinks that before he sees the other, you get "unexpected T_ELSE" In this situation, Is nearby: 

  php> if (conditional) php> {PHP

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