debug_print_backtrace
(PHP 5)
debug_print_backtrace --
Prints a backtrace
说明
void
debug_print_backtrace
( void )
debug_print_backtrace()
prints a PHP backtrace. It
prints the function calls, included/required files and
eval()
ed stuff.
参数
This function has no parameters.
范例
例子 1.
debug_print_backtrace()
example
<?php
// include.php file
function
a
() {
b
();
}
function
b
() {
c
();
}
function
c
(){
debug_print_backtrace
();
}
a
();
?>
<?php
// test.php file
// this is the file you should run
include
'include.php'
;
?>
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上例的输出类似于：
#0 eval() called at [/tmp/include.php:5]
#1 a() called at [/tmp/include.php:17]
#2 include(/tmp/include.php) called at [/tmp/test.php:3]
#0 c() called at [/tmp/include.php:10]
#1 b() called at [/tmp/include.php:6]
#2 a() called at [/tmp/include.php:17]
#3 include(/tmp/include.php) called at [/tmp/test.php:3]
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