Online PHP editor | rfc for 3O7ng

@ 2017-07-22T21:46:24Z

<?php
 
error_reporting(-1);
mb_internal_encoding('utf-8');

$input = '78.95+874.1*3/11.3-88=';
$inputLength = mb_strlen($input);

$result = 0; //результат предыдущего действия

$numbersAndOperations = array();
$numbersAndOperations = preg_split('/(?=[-+*=\\/])|(?<=[-+*=\\/])/', $input);

$result = $numbersAndOperations[0];

for ($i = 1; $i < count($numbersAndOperations); $i+=2) {
    if ($numbersAndOperations[$i] == '+'){
        $result += intval($numbersAndOperations[$i+1]);
    }elseif($numbersAndOperations[$i] == '-'){
        $result -= intval($numbersAndOperations[$i+1]);
    }elseif($numbersAndOperations[$i] == '*'){
        $result *= intval($numbersAndOperations[$i+1]);
    }elseif($numbersAndOperations[$i] == '/') {
        $result /= intval($numbersAndOperations[$i+1]);
    }else {
        echo "Ответ: $input$result";
    }
}

Output for git.master, git.master_jit, rfc.property-hooks: Ответ: 78.95+874.1*3/11.3-88=171.89545454545

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2020-03-21 RFC: Is_Literal - declined
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2018-06-15 Typed Properties v2 - implemented in PHP 7.4
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