parsekit_compile_string
(PECL)
parsekit_compile_string -- Compile a string of PHP code and return the resulting op array
说明
array
parsekit_compile_string ( string phpcode [, array &errors [, int options]] )
| 警告 |
本函数是实验性的。本函数的行为，包括函数名称以及其它任何关于本函数的文档可能会在没有通知的情况下随
PHP 以后的发布而改变。使用本函数风险自担。 |
参数
- phpcode
A string containing phpcode. Similar to the argument to eval().
- errors
A 2D hash of errors (including fatal errors) encountered during compilation.
Returned by reference.
- options
One of either PARSEKIT_QUIET or
PARSEKIT_SIMPLE. To produce varying
degrees of verbosity in the returned output.
返回值
Returns a complex multi-layer array structure as detailed below.
范例
例子 1. parsekit_compile_string() example
<?php
$ops = parsekit_compile_string('
echo "Foo\n";
', $errors, PARSEKIT_QUIET);
var_dump($ops);
?>
|
上例将输出： array(20) {
["type"]=>
int(4)
["type_name"]=>
string(14) "ZEND_EVAL_CODE"
["fn_flags"]=>
int(0)
["num_args"]=>
int(0)
["required_num_args"]=>
int(0)
["pass_rest_by_reference"]=>
bool(false)
["uses_this"]=>
bool(false)
["line_start"]=>
int(0)
["line_end"]=>
int(0)
["return_reference"]=>
bool(false)
["refcount"]=>
int(1)
["last"]=>
int(3)
["size"]=>
int(3)
["T"]=>
int(0)
["last_brk_cont"]=>
int(0)
["current_brk_cont"]=>
int(-1)
["backpatch_count"]=>
int(0)
["done_pass_two"]=>
bool(true)
["filename"]=>
string(17) "Parsekit Compiler"
["opcodes"]=>
array(3) {
[8594800]=>
array(5) {
["opcode"]=>
int(40)
["opcode_name"]=>
string(9) "ZEND_ECHO"
["flags"]=>
int(768)
["op1"]=>
array(3) {
["type"]=>
int(1)
["type_name"]=>
string(8) "IS_CONST"
["constant"]=>
&string(4) "Foo
"
}
["lineno"]=>
int(2)
}
["859484C"]=>
array(6) {
["opcode"]=>
int(62)
["opcode_name"]=>
string(11) "ZEND_RETURN"
["flags"]=>
int(16777984)
["op1"]=>
array(3) {
["type"]=>
int(1)
["type_name"]=>
string(8) "IS_CONST"
["constant"]=>
&NULL
}
["extended_value"]=>
int(0)
["lineno"]=>
int(3)
}
[8594898]=>
array(4) {
["opcode"]=>
int(149)
["opcode_name"]=>
string(21) "ZEND_HANDLE_EXCEPTION"
["flags"]=>
int(0)
["lineno"]=>
int(3)
}
}
} |
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