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Последние активные темы форума |
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debug_backtrace
(PHP 4 >= 4.3.0, PHP 5) debug_backtrace --
Generates a backtrace
Описаниеarray debug_backtrace ( void ) debug_backtrace() generates a PHP backtrace
and returns this information as an associative array. The
possible returned elements are listed in the following table:
Таблица 1. Possible returned elements from debug_backtrace() Name | Type | Description |
---|
function | string | The current function name. Смотрите также
__FUNCTION__.
| line | integer | The current line number. Смотрите также
__LINE__.
| file | string | The current file name. Смотрите также
__FILE__.
| class | string | The current class name. Смотрите также
__CLASS__
| type | string | The current call type. If a method call, "->" is returned. If a static
method call, "::" is returned. If a function call, nothing is returned.
| args | array | If inside a function, this lists the functions arguments. If
inside an included file, this lists the included file name(s).
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The following is a simple example.
Пример 1.
debug_backtrace() example
<?php
// filename: a.php
function
a_test
(
$str
)
{
echo
"
\n
Hi: $str"
;
var_dump
(
debug_backtrace
());
}
a_test
(
'friend'
);
?>
<?php
// filename: b.php
include_once
'/tmp/a.php'
;
?>
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Results when executing /tmp/b.php:
Hi: friend
array(2) {
[0]=>
array(4) {
["file"] => string(10) "/tmp/a.php"
["line"] => int(10)
["function"] => string(6) "a_test"
["args"]=>
array(1) {
[0] => &string(6) "friend"
}
}
[1]=>
array(4) {
["file"] => string(10) "/tmp/b.php"
["line"] => int(2)
["args"] =>
array(1) {
[0] => string(10) "/tmp/a.php"
}
["function"] => string(12) "include_once"
}
} |
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Смотрите также trigger_error() and
debug_print_backtrace().
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