set_error_handler

Supported Versions: PHP 4 >= 4.0.1, PHP 5, PHP 7, PHP 8

Sets a user-defined error handler function

        <?php set_error_handler(?callable $callback, int $error_levels = E_ALL): ?callable
    

laravel/framework

<?php         error_reporting(-1);



        set_error_handler($this->forwardsTo('handleError'));



        set_exception_handler($this->forwardsTo('handleException'));

src/Illuminate/Foundation/Bootstrap/HandleExceptions.php

laravel/framework

<?php         }



        while (true) {

            $previousHandler = set_error_handler(static fn () => null);



            restore_error_handler();

src/Illuminate/Foundation/Bootstrap/HandleExceptions.php

laravel/framework

<?php     protected function withDeprecationHandling()

    {

        if ($this->originalDeprecationHandler) {

            set_error_handler(tap($this->originalDeprecationHandler, fn () => $this->originalDeprecationHandler = null));

        }



        return $this;

src/Illuminate/Foundation/Testing/Concerns/InteractsWithDeprecationHandling.php

laravel/framework

<?php     protected function withoutDeprecationHandling()

    {

        if ($this->originalDeprecationHandler == null) {

            $this->originalDeprecationHandler = set_error_handler(function ($level, $message, $file = '', $line = 0) {

                if (in_array($level, [E_DEPRECATED, E_USER_DEPRECATED]) || (error_reporting() & $level)) {

                    throw new ErrorException($message, 0, $level, $file, $line);

                }

            });

        }



        return $this;

src/Illuminate/Foundation/Testing/Concerns/InteractsWithDeprecationHandling.php

laravel/framework

<?php     {

        parent::setUp();



        set_error_handler(function () {

            $this->deprecationsFound = true;

        });

    }



    public function testWithDeprecationHandling()

tests/Testing/Concerns/InteractsWithDeprecationHandlingTest.php

doctrine/dbal

<?php         $value = is_resource($value) ? stream_get_contents($value) : $value;



        set_error_handler(function (int $code, string $message): bool {

            throw ConversionException::conversionFailedUnserialization($this->getName(), $message);

        });



        try {

            return unserialize($value);

src/Types/ArrayType.php

doctrine/dbal

<?php         $value = is_resource($value) ? stream_get_contents($value) : $value;



        set_error_handler(function (int $code, string $message): bool {

            throw ConversionException::conversionFailedUnserialization($this->getName(), $message);

        });



        try {

            return unserialize($value);

src/Types/ObjectType.php

composer/composer

<?php     public static function register(IOInterface $io = null)

    {

        set_error_handler(array(__CLASS__, 'handle'));

        error_reporting(E_ALL | E_STRICT);

        self::$io = $io;

    }

src/Composer/Util/ErrorHandler.php

composer/composer

<?php         if ($copyTo) {

            $errorMessage = '';


            set_error_handler(function ($code, $msg) use (&$errorMessage) {

                if ($errorMessage) {

                    $errorMessage .= "\n";

                }

                $errorMessage .= Preg::replace('{^fopen\(.*?\): }', '', $msg);

            });

            $bodyHandle = fopen($copyTo.'~', 'w+b');

            restore_error_handler();

            if (!$bodyHandle) {

src/Composer/Util/Http/CurlDownloader.php

composer/composer

<?php         $errorMessage = '';

        $errorCode = 0;

        $result = false;

        set_error_handler(function ($code, $msg) use (&$errorMessage) {

            if ($errorMessage) {

                $errorMessage .= "\n";

            }

            $errorMessage .= Preg::replace('{^file_get_contents\(.*?\): }', '', $msg);



            return true;

        });

        $http_response_header = array();

        try {

            $result = $this->getRemoteContents($originUrl, $fileUrl, $ctx, $http_response_header, $maxFileSize);

src/Composer/Util/RemoteFilesystem.php

composer/composer

<?php             }



            $errorMessage = '';

            set_error_handler(function ($code, $msg) use (&$errorMessage) {

                if ($errorMessage) {

                    $errorMessage .= "\n";

                }

                $errorMessage .= Preg::replace('{^file_put_contents\(.*?\): }', '', $msg);



                return true;

            });

            $result = (bool) file_put_contents($fileName, $result);

            restore_error_handler();

            if (false === $result) {

src/Composer/Util/RemoteFilesystem.php

composer/composer

<?php     private static function box(callable $func)

    {

        self::$lastError = null;

        set_error_handler(__CLASS__.'::handleError');

        try {

            $result = $func(...\array_slice(\func_get_args(), 1));

            restore_error_handler();

tests/Composer/Test/Fixtures/functional/installed-versions2/vendor/symfony/filesystem/Filesystem.php

spatie/ignition

<?php         error_reporting(-1);




        set_error_handler([$this, 'renderError']);




        set_exception_handler([$this, 'handleException']);

src/Ignition.php

reactphp/socket

<?php     public function toggleCrypto($socket, Deferred $deferred, $toggle, $method)

    {

        $error = null;

        \set_error_handler(function ($_, $errstr) use (&$error) {

            $error = \str_replace(array("\r", "\n"), ' ', $errstr);




            if (($pos = \strpos($error, "): ")) !== false) {

                $error = \substr($error, $pos + 3);

            }

        });



        $result = \stream_socket_enable_crypto($socket, $toggle, $method);

src/StreamEncryption.php

reactphp/promise

<?php     try {

        \trigger_error($error, E_USER_ERROR);

    } catch (\Throwable $e) {

        \set_error_handler(null);

        \trigger_error($error, E_USER_ERROR);

    }

}

src/functions.php