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@ 2014-04-06T10:56:31Z

<?php

function getUserAgent()
{
    $agent = null;

    if ( empty($agent) ) {
        $agent = $_SERVER['HTTP_USER_AGENT'];

        if ( stripos($agent, 'Firefox') !== false ) {
            $agent = 'firefox';
        } elseif ( stripos($agent, 'MSIE') !== false ) {
            $agent = 'ie';
        } elseif ( stripos($agent, 'iPad') !== false ) {
            $agent = 'ipad';
        } elseif ( stripos($agent, 'Android') !== false ) {
            $agent = 'android';
        } elseif ( stripos($agent, 'Chrome') !== false ) {
            $agent = 'chrome';
        } elseif ( stripos($agent, 'Safari') !== false ) {
            $agent = 'safari';
        } elseif ( stripos($agent, 'AIR') !== false ) {
            $agent = 'air';
        } elseif ( stripos($agent, 'Fluid') !== false ) {
            $agent = 'fluid';
        }

    }

    return $agent;
}

echo getUserAgent();

?>

Output for git.master, git.master_jit, rfc.property-hooks: Warning: Undefined array key "HTTP_USER_AGENT" in /in/hIP3g on line 8 Deprecated: stripos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /in/hIP3g on line 10 Deprecated: stripos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /in/hIP3g on line 12 Deprecated: stripos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /in/hIP3g on line 14 Deprecated: stripos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /in/hIP3g on line 16 Deprecated: stripos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /in/hIP3g on line 18 Deprecated: stripos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /in/hIP3g on line 20 Deprecated: stripos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /in/hIP3g on line 22 Deprecated: stripos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /in/hIP3g on line 24

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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