Different parts of the PHP language are represented internally as T_SR-like types. PHP outputs such identifiers when parsing errors, such as "Parse error: unexpected T_SR, expecting ‘,’ or ‘;’ in script.php on line 10.".
should know what T_SR means. For all those who don't know, the following table lists these identifiers, PHP syntax and references to the appropriate places in the manual.
代号
Code |
Syntax |
Reference |
T_ABSTRACT |
abstract |
Abstract class (available since PHP 5.0.0) |
T_AND_EQUAL |
&= |
Assignment operator |
T_ARRAY |
array() |
array(), array syntax |
T_ARRAY_CAST |
(array) |
Type conversion |
T_AS |
as |
foreach |
T_BAD_CHARACTER |
|
Any character before ASCII 32 except t (0×09), n (0×0a) and r (0×0d) |
T_BOOLEAN_AND |
&& |
Logical operators |
T_BOOLEAN_OR |
|| |
Logical operators |
T_BOOL_CAST |
(bool) or (boolean) |
Type conversion |
T_BREAK |
break |
break |
T_CASE |
case |
switch |
T_CATCH |
catch |
Exception handling (available since PHP 5.0.0) |
T_CHARACTER |
|
|
T_CLASS |
class |
Classes and Objects |
T_CLONE |
clone |
Classes and objects. Only for PHP 5. |
T_CLOSE_TAG |
?> or %> |
|
T_COMMENT |
// or #, and /* */ | under PHP 5
Notes |
T_CONCAT_EQUAL |
.= |
Assignment operator |
T_CONST |
const |
|
T_CONSTANT_ENCAPSED_STRING |
“foo” or ‘bar’ |
String syntax |
T_CONTINUE |
continue |
|
T_CURLY_OPEN |
|
|
T_DEC |
– |
increment/decrement operators |
T_DECLARE |
declare |
declare |
T_DEFAULT |
default |
switch |
T_DIV_EQUAL |
/= |
赋值运算符 |
T_DNUMBER |
0.12,等等 |
浮点数 |
T_DOC_COMMENT |
/** */ |
PHPDoc 风格的注释(仅用于 PHP 5) |
T_DO |
do |
do..while |
T_DOLLAR_OPEN_CURLY_BRACES |
${ |
复杂变量解析语法 |
T_DOUBLE_ARROW |
=> |
数组语法 |
T_DOUBLE_CAST |
(real), (double) 或 (float) |
类型转换 |
T_DOUBLE_COLON |
:: |
见下面的 T_PAAMAYIM_NEKUDOTAYIM |
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__ |
Constant |
T_FINAL |
final |
Final keyword (available since PHP 5.0.0) |
T_FOR |
for |
for |
T_FOREACH |
foreach |
foreach |
T_FUNCTION |
function or cfunction |
Function |
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 |
Interface (available since PHP 5.0.0) |
T_INC |
|
Increment/Decrease Operator |
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 conversion |
T_INTERFACE |
interface |
Interface (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__ |
Constant |
T_LIST |
list() |
list() |
T_LNUMBER |
123, 012, 0×1ac, etc. |
integer |
T_LOGICAL_AND |
and |
Logical operators |
T_LOGICAL_OR |
or |
Logical operators |
T_LOGICAL_XOR |
xor |
Logical operators |
T_MINUS_EQUAL |
-= |
Assignment operator |
T_ML_COMMENT |
/* and */ |
Comments (PHP 4 only) |
T_MOD_EQUAL |
%= |
Assignment operator |
T_MUL_EQUAL |
*= |
Assignment operator |
T_NEW |
new |
Classes and Objects |
T_NUM_STRING |
|
|
T_OBJECT_CAST |
(object) |
Type conversion |
T_OBJECT_OPERATOR |
-> |
Classes and Objects |
T_OPEN_TAG |
|
Escaped from HTML |
T_OPEN_TAG_WITH_ECHO |
= or |
Escaped from HTML |
T_OR_EQUAL |
|= |
Assignment operator |
T_PAAMAYIM_NEKUDOTAYIM |
:: |
::. Also defined as T_DOUBLE_COLON. |
T_PLUS_EQUAL |
= |
Assignment operator |
T_PRINT |
print() |
print() |
T_PRIVATE |
private |
Classes and objects. Only for PHP 5. |
T_PUBLIC |
public |
Classes and objects. Only for PHP 5. |
T_PROTECTED |
protected |
Classes and objects. Only for PHP 5. |
T_REQUIRE |
require() |
require() |
T_REQUIRE_ONCE |
require_once() |
require_once() |
T_RETURN |
return |
Return value |
T_SL |
|
bit operators |
T_SL_EQUAL |
|
Assignment operator |
T_SR |
>> |
bit operators |
T_SR_EQUAL |
>>= |
Assignment operator |
T_START_HEREDOC |
|
heredoc syntax |
T_STATIC |
static |
Variable scope |
T_STRING |
|
|
T_STRING_CAST |
(string) |
Type conversion |
T_STRING_VARNAME |
|
|
T_SWITCH |
switch |
switch |
T_THROW |
throw |
Exception handling (available since PHP 5.0.0) |
T_TRY |
try |
Exception handling (available since PHP 5.0.0) |
T_UNSET |
unset() |
unset() |
T_UNSET_CAST |
(unset) |
(no documentation; type is NULL) |
T_USE |
|