Line 1: T_OPEN_TAG ('<?php
')
Line 2: T_VARIABLE ('$foo')
Line 2: T_WHITESPACE (' ')
Line 2: T_WHITESPACE (' ')
Line 2: T_LNUMBER ('0xCAFE_F00D')
Line 2: T_WHITESPACE ('
')
Line 3: T_VARIABLE ('$foo')
Line 3: T_WHITESPACE (' ')
Line 3: T_WHITESPACE (' ')
Line 3: T_LNUMBER ('0x42_72_6F_77_6E')
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Line 1: T_OPEN_TAG ('<?php
')
Line 2: T_VARIABLE ('$foo')
Line 2: T_WHITESPACE (' ')
Line 2: T_WHITESPACE (' ')
Line 2: T_LNUMBER ('0xCAFE')
Line 2: T_STRING ('_F00D')
Line 2: T_WHITESPACE ('
')
Line 3: T_VARIABLE ('$foo')
Line 3: T_WHITESPACE (' ')
Line 3: T_WHITESPACE (' ')
Line 3: T_LNUMBER ('0x42')
Line 3: T_STRING ('_72_6F_77_6E')