Line 1: T_OPEN_TAG ('<?php ')
Line 1: T_ECHO ('echo')
Line 1: T_WHITESPACE (' ')
Line 1: T_ENCAPSED_AND_WHITESPACE ('hello\{')
Line 1: T_VARIABLE ('$foo')
Line 1: T_ENCAPSED_AND_WHITESPACE ('}')
Line 1: T_WHITESPACE (' ')
Line 1: T_CLOSE_TAG ('?>')
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
Line 1: T_OPEN_TAG ('<?php ')
Line 1: T_ECHO ('echo')
Line 1: T_WHITESPACE (' ')
Line 1: T_ENCAPSED_AND_WHITESPACE ('hello\{')
Line 1: T_VARIABLE ('$foo')
Line 1: T_ENCAPSED_AND_WHITESPACE ('}')
Line 1: T_WHITESPACE (' ')
Line 1: T_CLOSE_TAG ('?>')
Output for 5.2.2
Line 1: T_OPEN_TAG ('<?php ')
Line 1: T_ECHO ('echo')
Line 1: T_WHITESPACE (' ')
Line 1: T_STRING ('hello')
Line 1: T_STRING ('\{')
Line 1: T_VARIABLE ('$foo')
Line 1: T_WHITESPACE (' ')
Line 1: T_CLOSE_TAG ('?>')
Output for 5.1.1 - 5.1.6, 5.2.0 - 5.2.1
Line : T_OPEN_TAG ('<?php ')
Line : T_ECHO ('echo')
Line : T_WHITESPACE (' ')
Line : T_STRING ('hello')
Line : T_STRING ('\{')
Line : T_VARIABLE ('$foo')
Line : T_WHITESPACE (' ')
Line : T_CLOSE_TAG ('?>')
Output for 5.1.0
Line : T_OPEN_TAG ('<?php ')
Line : T_ECHO ('echo')
Line : T_WHITESPACE (' ')
Line : T_STRING ('hello')
Line : T_STRING ('\{$')
Line : T_STRING ('foo')
Line : T_WHITESPACE (' ')
Line : T_CLOSE_TAG ('?>')
Line : T_OPEN_TAG ('<?php ')
Line : T_ECHO ('echo')
Line : T_WHITESPACE (' ')
Line : T_STRING ('hello')
Line : T_CHARACTER ('\{')
Line : T_VARIABLE ('$foo')
Line : T_WHITESPACE (' ')
Line : T_CLOSE_TAG ('?>')