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run code in 300+ PHP versions simultaneously

@ 2017-07-11T11:21:50Z

<?php
    function validatePhone( $phone, &$errsData = null, &$mainData = null )
    {
        $res = false;        

        if( isset( $phone ) && $phone != null )            
        {
            $phone = preg_replace("/[^0-9]/","", $phone ); //удаляем всё кроме цифр
            if ($phone && preg_match('/^(8|7|\+7)[0-9]{10}$/', $phone )) {
//                if( substr( $phone, 0, 1) == '8' )
                $phone[0] = '7';
                @$mainData['phone'] = $phone;
                $res = $phone;
            } else 
            {
                $errsData['phone']['error_msg'] = "Укажите номер в формате +7 000 000 00 00";
            }            
        } else {
            $errsData['phone']['error_msg'] = "Укажите Ваш номер телефона";
        }

        return $res;
    }
    
    var_dump ( validatePhone('+79278918933') );
    
    
?>

Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: string(11) "79278918933"
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 string(11) "79278918933"

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172.16 ms | 402 KiB | 203 Q