header

Supported Versions: PHP 4, PHP 5, PHP 7, PHP 8

Send a raw HTTP header

        <?php header(string $header, bool $replace = true, int $response_code = 0): void
    

Intervention/image

<?php         } else {



            header('Content-Type: ' . $mime);

            header('Content-Length: ' . $length);

            $response = $data;

        }

src/Intervention/Image/Response.php

Intervention/image

<?php         } else {



            header('Content-Type: ' . $mime);

            header('Content-Length: ' . $length);

            $response = $data;

        }

src/Intervention/Image/Response.php

composer/composer

<?php if ($issues) {

    if (!headers_sent()) {

        header('HTTP/1.1 500 Internal Server Error');

    }

    if (!ini_get('display_errors')) {

        if (PHP_SAPI === 'cli' || PHP_SAPI === 'phpdbg') {

tests/Composer/Test/Autoload/Fixtures/platform/no_extensions_required.php

composer/composer

<?php if ($issues) {

    if (!headers_sent()) {

        header('HTTP/1.1 500 Internal Server Error');

    }

    if (!ini_get('display_errors')) {

        if (PHP_SAPI === 'cli' || PHP_SAPI === 'phpdbg') {

tests/Composer/Test/Autoload/Fixtures/platform/no_php_required.php

composer/composer

<?php if ($issues) {

    if (!headers_sent()) {

        header('HTTP/1.1 500 Internal Server Error');

    }

    if (!ini_get('display_errors')) {

        if (PHP_SAPI === 'cli' || PHP_SAPI === 'phpdbg') {

tests/Composer/Test/Autoload/Fixtures/platform/no_php_upper_bound.php

composer/composer

<?php if ($issues) {

    if (!headers_sent()) {

        header('HTTP/1.1 500 Internal Server Error');

    }

    if (!ini_get('display_errors')) {

        if (PHP_SAPI === 'cli' || PHP_SAPI === 'phpdbg') {

tests/Composer/Test/Autoload/Fixtures/platform/replaced_provided_exts.php

composer/composer

<?php if ($issues) {

    if (!headers_sent()) {

        header('HTTP/1.1 500 Internal Server Error');

    }

    if (!ini_get('display_errors')) {

        if (PHP_SAPI === 'cli' || PHP_SAPI === 'phpdbg') {

tests/Composer/Test/Autoload/Fixtures/platform/specific_php_release.php

composer/composer

<?php if ($issues) {

    if (!headers_sent()) {

        header('HTTP/1.1 500 Internal Server Error');

    }

    if (!ini_get('display_errors')) {

        if (PHP_SAPI === 'cli' || PHP_SAPI === 'phpdbg') {

tests/Composer/Test/Autoload/Fixtures/platform/typical.php

composer/composer

<?php if ($issues) {

    if (!headers_sent()) {

        header('HTTP/1.1 500 Internal Server Error');

    }

    if (!ini_get('display_errors')) {

        if (PHP_SAPI === 'cli' || PHP_SAPI === 'phpdbg') {

tests/Composer/Test/Fixtures/functional/installed-versions2/vendor/composer/platform_check.php

symfony/var-dumper

<?php     function dd(...$vars)

    {

        if (!in_array(\PHP_SAPI, ['cli', 'phpdbg'], true) && !headers_sent()) {

            header('HTTP/1.1 500 Internal Server Error');

        }



        foreach ($vars as $v) {

Resources/functions/dump.php

brefphp/bref

<?php if (isset($_GET['img'])) {

    $fp = fopen('https://bref.sh/img/logo-small.png', 'rb');

    header('Content-Type: image/png');

    fpassthru($fp);

    exit(0);

}

demo/http.php

brefphp/bref

<?php }



if (isset($_GET['json'])) {

    header('Content-Type: application/json');

    echo json_encode(['Hello' => '🌍']);

    exit(0);

}

demo/http.php

brefphp/bref

<?php }



if (isset($_GET['weird'])) {

    header('Content-Type: foo/bar');

    echo 'Hello 🌍';

    exit(0);

}

demo/http.php

brefphp/bref

<?php <?php declare(strict_types=1);



if ($_GET['extensions'] ?? false) {

    header('Content-Type: application/json');

    echo json_encode(get_loaded_extensions(), JSON_PRETTY_PRINT);

    return;

}

tests/Functional/fpm/index.php

brefphp/bref

<?php }



if ($_GET['php-config'] ?? false) {

    header('Content-Type: application/json');

    echo json_encode(ini_get_all(null, false), JSON_PRETTY_PRINT);

    return;

}

tests/Functional/fpm/index.php