English | 简体中文 | 繁體中文 | Русский язык | Français | Español | Português | Deutsch | 日本語 | 한국어 | Italiano | بالعربية
PHP Error & Loggings Reference Manual
The debug_backtrace() function generates a backtrace trace
array debug_backtrace(void);
It returns an associative array. The following elements may be returned:
| Name | Type | Description |
|---|---|---|
| function | string | The current function name. |
| line | integer | The current line number. |
| file | string | The current file name. |
| class | string | The current class name. |
| object | object | The current object. |
| type | string | The current call type, possible calls:
|
| args | array | If in a function, list the function parameters. If in the referenced file, list the name of the referenced file. |
| Number | Parameters and Description |
|---|---|
| 1 | void No parameters required |
As described in the instructions, it returns an associative array.
Here is the usage of the debug_backtrace() function-
<?php
function printStr($str) {
echo "Hi: $str";
var_dump(debug_backtrace());
}
printStr('hello');
?>Test to see‹/›This will produce the following result-
Hi: helloarray(1) {
[0]=>
array(4) {
["file"]=> string(36) "/var/www/w3codebox/php/test.php"
["line"]=> int(8)
["function"]=> string(8) "printStr"
["args"]=> array(1) {
[0]=>
&string(6) "hello"
}
}
}