PHP does not show some kind of errors (from apache)

Question

I'm working on server with

ubuntu 14.04 
php 5.3.10.
apache 2.2.22

these are php.ini error settings:

display_errors = off
error_reporting = E_ALL & ~E_DEPRECATED

the apache version of php.ini differs from cli version about some functions disabled:

pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,

here's my code:

<?
ini_set('display_errors', '1');
ini_set('display_startup_errors', '1');
ini_set('error_log','/tmp/php_errors_'.$_SERVER['SERVER_NAME'].'.log');
abstract class master 
{
    abstract public function metodo ();
}

class slave extends master
{
    function __contruct()
    {
        echo "HI!";
    }
}

$b = new slave();

from CLI I'll get this error ():

PHP Fatal error:  Class slave contains 1 abstract method and must therefore be declared abstract or implement the remaining methods (master::metodo) in /home/lbarby/prova.php on line 13

but running the same script from apache I obtain blank page! What's the matter? Any advice?

UPDATE To be clear: my problem is that I don't understand why PHP under apache doesn't show any error while it does from CLI (as expected!).

SOLVED I've found a solution: instead of use literal value you must use numeric ones (see predefined constant on php.net).

try changing the constructor from function __contruct() to public function __contruct() — Ares Draguna
– Ares Draguna, Commented Oct 29, 2014 at 13:05
why not just implement the required abstract method metodoin the slave class? — KnightHawk0811
– KnightHawk0811, Commented Oct 29, 2014 at 13:07
thank you but my problem is that running on apache I'll get blank screen so forget about code, it's just for testing! — Sbraaa
– Sbraaa, Commented Oct 29, 2014 at 13:50

Kei · Accepted Answer · 2014-10-29 13:10:25Z

1

Turn display_errors to on. If it is set to off it will show nothing.

answered Oct 29, 2014 at 13:10

Kei

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5 Comments

Sbraaa Over a year ago

have you seen this row? ini_set('display_errors', '1');

Kei Over a year ago

Of course. Directly from PHP's manual: "Although display_errors may be set at runtime (with ini_set()), it won't have any effect if the script has fatal errors. This is because the desired runtime action does not get executed."

Sbraaa Over a year ago

unfortunately it doesn't solve the problem. I've turned on display_errors and display_startup_errors too but nothing change.

Kei Over a year ago

Just to check, but did you change it in the php.ini associated to the apache server, right ?

Sbraaa Over a year ago

Yep! To be sure I've checked using phpinfo.

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