| T_ABSTRACT | abstract | the Section called Class Abstraction in Chapter 19 (available since PHP 5.0.0) | 
| T_AND_EQUAL | &= | assignment
     operators | 
| T_ARRAY | array() | array(), array syntax | 
| T_ARRAY_CAST | (array) | type-casting | 
| T_AS | as | foreach | 
| T_BAD_CHARACTER |  | anything below ASCII 32 except \t (0x09), \n (0x0a) and \r (0x0d) | 
| T_BOOLEAN_AND | && | logical operators | 
| T_BOOLEAN_OR | || | logical operators | 
| T_BOOL_CAST | (bool) or (boolean) | type-casting | 
| T_BREAK | break | break | 
| T_CASE | case | switch | 
| T_CATCH | catch | Chapter 20 (available since PHP 5.0.0) | 
| T_CHARACTER |  |  | 
| T_CLASS | class | classes and objects | 
| T_CLONE | clone | classes and objects. PHP 5 only. | 
| T_CLOSE_TAG | ?> or %> |  | 
| T_COMMENT | // or #, and /* */ on PHP 5 | comments | 
| T_CONCAT_EQUAL | .= | assignment
     operators | 
| T_CONST | const |  | 
| T_CONSTANT_ENCAPSED_STRING | "foo" or 'bar' | string syntax | 
| T_CONTINUE | continue |  | 
| T_CURLY_OPEN |  |  | 
| T_DEC | -- | incrementing/decrementing
     operators | 
| T_DECLARE | declare | declare | 
| T_DEFAULT | default | switch | 
| T_DIV_EQUAL | /= | assignment
     operators | 
| T_DNUMBER | 0.12, etc | floating point numbers | 
| T_DOC_COMMENT | /** */ | PHPDoc style comments (PHP 5 only) | 
| T_DO | do | do..while | 
| T_DOLLAR_OPEN_CURLY_BRACES | ${ | complex
     variable parsed syntax | 
| T_DOUBLE_ARROW | => | array syntax | 
| T_DOUBLE_CAST | (real), (double) or (float) | type-casting | 
| T_DOUBLE_COLON | :: | see T_PAAMAYIM_NEKUDOTAYIM below | 
| T_ECHO | echo | echo() | 
| T_ELSE | else | else | 
| T_ELSEIF | elseif | elseif | 
| T_EMPTY | empty | empty() | 
| T_ENCAPSED_AND_WHITESPACE |  |  | 
| T_ENDDECLARE | enddeclare | declare, alternative syntax | 
| T_ENDFOR | endfor | for, alternative syntax | 
| T_ENDFOREACH | endforeach | foreach, alternative syntax | 
| T_ENDIF | endif | if, alternative syntax | 
| T_ENDSWITCH | endswitch | switch, alternative syntax | 
| T_ENDWHILE | endwhile | while, alternative syntax | 
| T_END_HEREDOC |  | heredoc
     syntax | 
| T_EVAL | eval() | eval() | 
| T_EXIT | exit or die | exit(), die() | 
| T_EXTENDS | extends | extends, classes and objects | 
| T_FILE | __FILE__ | constants | 
| T_FINAL | final | the Section called Final Keyword in Chapter 19 (available since PHP 5.0.0) | 
| T_FOR | for | for | 
| T_FOREACH | foreach | foreach | 
| T_FUNCTION | function or cfunction | functions | 
| T_GLOBAL | global | variable scope | 
| T_HALT_COMPILER | __halt_compiler() | __halt_compiler (available since PHP 5.1.0) | 
| T_IF | if | if | 
| T_IMPLEMENTS | implements | the Section called Object Interfaces in Chapter 19 (available since PHP 5.0.0) | 
| T_INC | ++ | incrementing/decrementing
     operators | 
| T_INCLUDE | include() | include() | 
| T_INCLUDE_ONCE | include_once() | include_once() | 
| T_INLINE_HTML |  |  | 
| T_INSTANCEOF | instanceof | type operators (PHP5 only) | 
| T_INT_CAST | (int) or (integer) | type-casting | 
| T_INTERFACE | interface | the Section called Object Interfaces in Chapter 19 (available since PHP 5.0.0) | 
| T_ISSET | isset() | isset() | 
| T_IS_EQUAL | == | comparison operators | 
| T_IS_GREATER_OR_EQUAL | >= | comparison operators | 
| T_IS_IDENTICAL | === | comparison operators | 
| T_IS_NOT_EQUAL | != or <> | comparison operators | 
| T_IS_NOT_IDENTICAL | !== | comparison operators | 
| T_IS_SMALLER_OR_EQUAL | <= | comparison operators | 
| T_LINE | __LINE__ | constants | 
| T_LIST | list() | list() | 
| T_LNUMBER | 123, 012, 0x1ac, etc | integers | 
| T_LOGICAL_AND | and | logical operators | 
| T_LOGICAL_OR | or | logical operators | 
| T_LOGICAL_XOR | xor | logical operators | 
| T_MINUS_EQUAL | -= | assignment
     operators | 
| T_ML_COMMENT | /* and */ | comments
      (PHP 4 only) | 
| T_MOD_EQUAL | %= | assignment
     operators | 
| T_MUL_EQUAL | *= | assignment
     operators | 
| T_NEW | new | classes and objects | 
| T_NUM_STRING |  |  | 
| T_OBJECT_CAST | (object) | type-casting | 
| T_OBJECT_OPERATOR | -> | classes and objects | 
| T_OLD_FUNCTION | old_function | old_function | 
| T_OPEN_TAG | <?php, <? or <% | escaping
     from HTML | 
| T_OPEN_TAG_WITH_ECHO | <?= or <%= | escaping
     from HTML | 
| T_OR_EQUAL | |= | assignment
     operators | 
| T_PAAMAYIM_NEKUDOTAYIM | :: | ::. Also defined as
      T_DOUBLE_COLON. | 
| T_PLUS_EQUAL | += | assignment
     operators | 
| T_PRINT | print() | print() | 
| T_PRIVATE | private | classes and objects. PHP 5 only. | 
| T_PUBLIC | public | classes and objects. PHP 5 only. | 
| T_PROTECTED | protected | classes and objects. PHP 5 only. | 
| T_REQUIRE | require() | require() | 
| T_REQUIRE_ONCE | require_once() | require_once() | 
| T_RETURN | return | returning values | 
| T_SL | << | bitwise
     operators | 
| T_SL_EQUAL | <<= | assignment
     operators | 
| T_SR | >> | bitwise
     operators | 
| T_SR_EQUAL | >>= | assignment
     operators | 
| T_START_HEREDOC | <<< | heredoc
     syntax | 
| T_STATIC | static | variable scope | 
| T_STRING |  |  | 
| T_STRING_CAST | (string) | type-casting | 
| T_STRING_VARNAME |  |  | 
| T_SWITCH | switch | switch | 
| T_THROW | throw | Chapter 20 (available since PHP 5.0.0) | 
| T_TRY | try | Chapter 20 (available since PHP 5.0.0) | 
| T_UNSET | unset() | unset() | 
| T_UNSET_CAST | (unset) | (not documented; casts to NULL) | 
| T_USE | use | (not implemented) | 
| T_VAR | var | classes and objects | 
| T_VARIABLE | $foo | variables | 
| T_WHILE | while | while, do..while | 
| T_WHITESPACE |  |  | 
| T_XOR_EQUAL | ^= | assignment
     operators | 
| T_FUNC_C | __FUNCTION__ | constants, since
     PHP 4.3.0 | 
| T_CLASS_C | __CLASS__ | constants, since
     PHP 4.3.0 |