I wrote a PHP code like this
$site="http://www.google.com";
$content = file_get_content($site);
echo $content;
But when I remove "http://" from $site I get the following warning:
Warning: file_get_contents(www.google.com) [function.file-get-contents]: failed to open stream:
I tried try and catch but it didn't work.
This question is related to
php
function
exception-handling
warnings
Change the file php.ini
allow_url_fopen = On
allow_url_include = On
You should use file_exists() function before to use file_get_contents(). With this way you'll avoid the php warning.
$file = "path/to/file";
if(file_exists($file)){
$content = file_get_contents($file);
}
Simplest way to do this is just prepend an @ before file_get_contents, i. e.:
$content = @file_get_contents($site);
function custom_file_get_contents($url) {
return file_get_contents(
$url,
false,
stream_context_create(
array(
'http' => array(
'ignore_errors' => true
)
)
)
);
}
$content=FALSE;
if($content=custom_file_get_contents($url)) {
//play with the result
} else {
//handle the error
}
You should also set the
allow_url_use = On
in your php.ini to stop receiving warnings.
something like this:
public function get($curl,$options){
$context = stream_context_create($options);
$file = @file_get_contents($curl, false, $context);
$str1=$str2=$status=null;
sscanf($http_response_header[0] ,'%s %d %s', $str1,$status, $str2);
if($status==200)
return $file
else
throw new \Exception($http_response_header[0]);
}
Here's how I did it... No need for try-catch block... The best solution is always the simplest... Enjoy!
$content = @file_get_contents("http://www.google.com");
if (strpos($http_response_header[0], "200")) {
echo "SUCCESS";
} else {
echo "FAILED";
}
One alternative is to suppress the error and also throw an exception which you can catch later. This is especially useful if there are multiple calls to file_get_contents() in your code, since you don't need to suppress and handle all of them manually. Instead, several calls can be made to this function in a single try/catch block.
// Returns the contents of a file
function file_contents($path) {
$str = @file_get_contents($path);
if ($str === FALSE) {
throw new Exception("Cannot access '$path' to read contents.");
} else {
return $str;
}
}
// Example
try {
file_contents("a");
file_contents("b");
file_contents("c");
} catch (Exception $e) {
// Deal with it.
echo "Error: " , $e->getMessage();
}
function custom_file_get_contents($url) {
return file_get_contents(
$url,
false,
stream_context_create(
array(
'http' => array(
'ignore_errors' => true
)
)
)
);
}
$content=FALSE;
if($content=custom_file_get_contents($url)) {
//play with the result
} else {
//handle the error
}
Here's how I handle that:
$this->response_body = @file_get_contents($this->url, false, $context);
if ($this->response_body === false) {
$error = error_get_last();
$error = explode(': ', $error['message']);
$error = trim($error[2]) . PHP_EOL;
fprintf(STDERR, 'Error: '. $error);
die();
}
The best thing would be to set your own error and exception handlers which will do something usefull like logging it in a file or emailing critical ones. http://www.php.net/set_error_handler
Change the file php.ini
allow_url_fopen = On
allow_url_include = On
My favourite way to do this is fairly simple:
if (false !== ($data = file_get_contents("http://www.google.com"))) {
$error = error_get_last();
echo "HTTP request failed. Error was: " . $error['message'];
} else {
echo "Everything went better than expected";
}
I found this after experimenting with the try/catch from @enobrev above, but this allows for less lengthy (and IMO, more readable) code. We simply use error_get_last to get the text of the last error, and file_get_contents returns false on failure, so a simple "if" can catch that.
You could use this script
$url = @file_get_contents("http://www.itreb.info");
if ($url) {
// if url is true execute this
echo $url;
} else {
// if not exceute this
echo "connection error";
}
The best thing would be to set your own error and exception handlers which will do something usefull like logging it in a file or emailing critical ones. http://www.php.net/set_error_handler
try {
$site="http://www.google.com";
$content = file_get_content($site);
echo $content;
} catch (ErrorException $e) {
// fix the url
}
set_error_handler(function ($errorNumber, $errorText, $errorFile,$errorLine )
{
throw new ErrorException($errorText, 0, $errorNumber, $errorFile, $errorLine);
});
Enable allow_url_fopen From cPanel Or WHM then Try Hope it will Fix
The best thing would be to set your own error and exception handlers which will do something usefull like logging it in a file or emailing critical ones. http://www.php.net/set_error_handler
something like this:
public function get($curl,$options){
$context = stream_context_create($options);
$file = @file_get_contents($curl, false, $context);
$str1=$str2=$status=null;
sscanf($http_response_header[0] ,'%s %d %s', $str1,$status, $str2);
if($status==200)
return $file
else
throw new \Exception($http_response_header[0]);
}
You should use file_exists() function before to use file_get_contents(). With this way you'll avoid the php warning.
$file = "path/to/file";
if(file_exists($file)){
$content = file_get_contents($file);
}
Simplest way to do this is just prepend an @ before file_get_contents, i. e.:
$content = @file_get_contents($site);
You can also set your error handler as an anonymous function that calls an Exception and use a try / catch on that exception.
set_error_handler(
function ($severity, $message, $file, $line) {
throw new ErrorException($message, $severity, $severity, $file, $line);
}
);
try {
file_get_contents('www.google.com');
}
catch (Exception $e) {
echo $e->getMessage();
}
restore_error_handler();
Seems like a lot of code to catch one little error, but if you're using exceptions throughout your app, you would only need to do this once, way at the top (in an included config file, for instance), and it will convert all your errors to Exceptions throughout.
You can prepend an @:
$content = @file_get_contents($site);
This will supress any warning - use sparingly!. See Error Control Operators
Edit: When you remove the 'http://' you're no longer looking for a web page, but a file on your disk called "www.google....."
You could use this script
$url = @file_get_contents("http://www.itreb.info");
if ($url) {
// if url is true execute this
echo $url;
} else {
// if not exceute this
echo "connection error";
}
You can prepend an @:
$content = @file_get_contents($site);
This will supress any warning - use sparingly!. See Error Control Operators
Edit: When you remove the 'http://' you're no longer looking for a web page, but a file on your disk called "www.google....."
This will try to get the data, if it does not work, it will catch the error and allow you to do anything you need within the catch.
try {
$content = file_get_contents($site);
} catch(\Exception $e) {
return 'The file was not found';
}
Here's how I handle that:
$this->response_body = @file_get_contents($this->url, false, $context);
if ($this->response_body === false) {
$error = error_get_last();
$error = explode(': ', $error['message']);
$error = trim($error[2]) . PHP_EOL;
fprintf(STDERR, 'Error: '. $error);
die();
}
Since PHP 4 use error_reporting():
$site="http://www.google.com";
$old_error_reporting = error_reporting(E_ALL ^ E_WARNING);
$content = file_get_content($site);
error_reporting($old_error_reporting);
if ($content === FALSE) {
echo "Error getting '$site'";
} else {
echo $content;
}
Enable allow_url_fopen From cPanel Or WHM then Try Hope it will Fix
One alternative is to suppress the error and also throw an exception which you can catch later. This is especially useful if there are multiple calls to file_get_contents() in your code, since you don't need to suppress and handle all of them manually. Instead, several calls can be made to this function in a single try/catch block.
// Returns the contents of a file
function file_contents($path) {
$str = @file_get_contents($path);
if ($str === FALSE) {
throw new Exception("Cannot access '$path' to read contents.");
} else {
return $str;
}
}
// Example
try {
file_contents("a");
file_contents("b");
file_contents("c");
} catch (Exception $e) {
// Deal with it.
echo "Error: " , $e->getMessage();
}
The best thing would be to set your own error and exception handlers which will do something usefull like logging it in a file or emailing critical ones. http://www.php.net/set_error_handler
try {
$site="http://www.google.com";
$content = file_get_content($site);
echo $content;
} catch (ErrorException $e) {
// fix the url
}
set_error_handler(function ($errorNumber, $errorText, $errorFile,$errorLine )
{
throw new ErrorException($errorText, 0, $errorNumber, $errorFile, $errorLine);
});
if (!file_get_contents($data)) {
exit('<h1>ERROR MESSAGE</h1>');
} else {
return file_get_contents($data);
}
if (!file_get_contents($data)) {
exit('<h1>ERROR MESSAGE</h1>');
} else {
return file_get_contents($data);
}
Here's how I did it... No need for try-catch block... The best solution is always the simplest... Enjoy!
$content = @file_get_contents("http://www.google.com");
if (strpos($http_response_header[0], "200")) {
echo "SUCCESS";
} else {
echo "FAILED";
}
You can prepend an @:
$content = @file_get_contents($site);
This will supress any warning - use sparingly!. See Error Control Operators
Edit: When you remove the 'http://' you're no longer looking for a web page, but a file on your disk called "www.google....."
You can also set your error handler as an anonymous function that calls an Exception and use a try / catch on that exception.
set_error_handler(
function ($severity, $message, $file, $line) {
throw new ErrorException($message, $severity, $severity, $file, $line);
}
);
try {
file_get_contents('www.google.com');
}
catch (Exception $e) {
echo $e->getMessage();
}
restore_error_handler();
Seems like a lot of code to catch one little error, but if you're using exceptions throughout your app, you would only need to do this once, way at the top (in an included config file, for instance), and it will convert all your errors to Exceptions throughout.
My favourite way to do this is fairly simple:
if (false !== ($data = file_get_contents("http://www.google.com"))) {
$error = error_get_last();
echo "HTTP request failed. Error was: " . $error['message'];
} else {
echo "Everything went better than expected";
}
I found this after experimenting with the try/catch from @enobrev above, but this allows for less lengthy (and IMO, more readable) code. We simply use error_get_last to get the text of the last error, and file_get_contents returns false on failure, so a simple "if" can catch that.
You should also set the
allow_url_use = On
in your php.ini to stop receiving warnings.
You can prepend an @:
$content = @file_get_contents($site);
This will supress any warning - use sparingly!. See Error Control Operators
Edit: When you remove the 'http://' you're no longer looking for a web page, but a file on your disk called "www.google....."
Since PHP 4 use error_reporting():
$site="http://www.google.com";
$old_error_reporting = error_reporting(E_ALL ^ E_WARNING);
$content = file_get_content($site);
error_reporting($old_error_reporting);
if ($content === FALSE) {
echo "Error getting '$site'";
} else {
echo $content;
}
This will try to get the data, if it does not work, it will catch the error and allow you to do anything you need within the catch.
try {
$content = file_get_contents($site);
} catch(\Exception $e) {
return 'The file was not found';
}
Source: Stackoverflow.com