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How to display php error message on webpage in firefox?

Here is my simple code file in /var/www/read.php:

error_reporting(E_ALL);
<?php
    echo hello"
?>

I encountered an error message when running `php / var / www / read.php 'on the debian console.

PHP Parse error:  syntax error, unexpected '"', expecting ',' or ';' in /var/www/read.php on line 3

But there is no error message on the webpage when typing 127.0.0.1/read.phpin firefox.

I set the values ​​in php.ini as follows:

error_reporting = E_ALL & ~E_NOTICE    
display_errors = On

I do not need to restart apache2 with the command:

service apache2 restart

Here is my phpinfo post. It makes no sense to add two lines to my read.php file, no error is reported in my firefox. How can i fix this? My system is debian7 + php.

<?php
    ini_set('display_errors', 1);
    error_reporting(E_ALL);
    echo hello"
?> 

find  /  -name  'php.ini'
/etc/php5/apache2/php.ini
/etc/php5/cli/php.ini

The problem is resolved according to PHP does not show any errors

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6 answers

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Here are some additional notes that may be of interest:

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