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run code in 300+ PHP versions simultaneously
<?php function calculateAccuracy($txPower, $rssi){ if ($rssi == 0) { return -1.0; // if we cannot determine accuracy, return -1. } $ratio = $rssi*1.0/$txPower; if ($ratio < 1.0) { return pow($ratio,10); } else { $accuracy = (0.89976)*pow($ratio,7.7095) + 0.111; return $accuracy; } } echo(calculateAccuracy(-55, -70).PHP_EOL); echo(calculateAccuracy(-56, -70).PHP_EOL); echo(calculateAccuracy(-57, -70).PHP_EOL);
Output for 4.3.10 - 4.3.11, 4.4.0 - 4.4.9, 5.0.2 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 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 - 8.3.6
5.886423916356 5.1373696851891 4.496234496331
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.1
Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/uM352 on line 18 5.886423916356PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/uM352 on line 19 5.1373696851891PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/uM352 on line 20 4.496234496331PHP_EOL
preferences:
235.6 ms | 402 KiB | 356 Q