3v4l.org

run code in 300+ PHP versions simultaneously

@ 2018-07-26T23:35:08Z

<?php

class Example {
    public function yearManufactured() {
        return true;
    }

    public function make() {
        return false;
    }

    public function model() {
        return true;
    }

    public function evaluateExpressionArray(array $expression) {
        $expr = '$result =';
        foreach ($expression as $part) {
            if ($part == '||' || $part == '&&') {
                $expr .= " $part ";
            } elseif (method_exists($this, $part)) {
                $expr .= $this->$part() ? 'true' : 'false';
            } else {
                return null;
            }
        }
        echo $expr;
        try {
            eval("$expr;");
        } catch (ParseError $e) {
            return null;
        }
        return $result;
    }
}

$ex = new Example();
$result = $ex->evaluateExpressionArray(array(
    'yearManufactured',
    '&&',
    'make',
    '||',
    '||',
    'model'
));
var_dump($result);

Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0 - 8.5.1: $result =true && false || || trueNULL
Output for 8.4.15: /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.

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