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PHP - Function debug_backtrace()
Syntax
array debug_backtrace ( void );
Definition and Usage
It returns an associative array. The possible returned elements are as follows −
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 | string | The current Object. |
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. |
arg | array | If inside a function, this lists the functions arguments. If inside an included file, this lists the included file name(s). |
Parameters
Sr.No | Parameter & Description |
---|---|
1 |
void NA. |
Return Value
It returns an associative array as described in the description.
Example
Following is the usage of this function −
<?php function printStr($str) { echo "Hi: $str"; var_dump(debug_backtrace()); } printStr('hello'); ?>
This will produce the following result −
Hi: helloarray(1) { [0]=> array(4) { ["file"]=> string(36) "/var/www/tutorialspoint/php/test.php" ["line"]=> int(8) ["function"]=> string(8) "printStr" ["args"]=> array(1) { [0]=> &string(6) "hello" } } }
php_function_reference.htm
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