array ( 0 => 'index.php', 1 => 'PHP Manual', ), 'head' => array ( 0 => 'UTF-8', 1 => 'it', ), 'this' => array ( 0 => 'function.debug-print-backtrace.php', 1 => 'debug_print_backtrace', 2 => 'Stampa una backtrace', ), 'up' => array ( 0 => 'ref.errorfunc.php', 1 => 'Error Handling Funzioni', ), 'prev' => array ( 0 => 'function.debug-backtrace.php', 1 => 'debug_backtrace', ), 'next' => array ( 0 => 'function.error-clear-last.php', 1 => 'error_clear_last', ), 'alternatives' => array ( ), 'source' => array ( 'lang' => 'it', 'path' => 'reference/errorfunc/functions/debug-print-backtrace.xml', ), 'history' => array ( ), ); $setup["toc"] = $TOC; $setup["toc_deprecated"] = $TOC_DEPRECATED; $setup["parents"] = $PARENTS; manual_setup($setup); contributors($setup); ?>

debug_print_backtrace

(PHP 5, PHP 7, PHP 8)

debug_print_backtrace — Stampa una backtrace

Descrizione

debug_print_backtrace(): void

debug_print_backtrace() stampa una backtrace PHP. Stampa le chiamate di funzione, i file included/required e tutto cio' che viene valutato dalla funzione eval().

Elenco dei parametri

Questa funzione non ha parametri.

Valori restituiti

Nessun valore viene restituito.

Esempi

Example #1 Esempio di funzione debug_print_backtrace()

<?php
// include.php file

function a() {
b();
}

function b() {
c();
}

function c(){
debug_print_backtrace();
}

a();

?>


<?php
// test.php file
// questo e' il file che dovrebbe essere eseguito

include 'include.php';
?>

Il precedente esempio visualizzerà qualcosa simile a:

#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]

Vedere anche: