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<?php $aValues = array(9,4,-3,-10); $mean = array_sum($A) / count($A); function standard_deviation($aValues, $bSample = false) { $fMean = array_sum($aValues) / count($aValues); $fVariance = 0.0; foreach ($aValues as $i) { $fVariance += pow($i - $fMean, 2); } $fVariance /= ( $bSample ? count($aValues) - 1 : count($aValues) ); return (float) sqrt($fVariance); } ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined variable $A in /in/jrdv9 on line 3 Fatal error: Uncaught TypeError: array_sum(): Argument #1 ($array) must be of type array, null given in /in/jrdv9:3 Stack trace: #0 /in/jrdv9(3): array_sum(NULL) #1 {main} thrown in /in/jrdv9 on line 3
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: A in /in/jrdv9 on line 3 Warning: array_sum() expects parameter 1 to be array, null given in /in/jrdv9 on line 3 Notice: Undefined variable: A in /in/jrdv9 on line 3 Warning: count(): Parameter must be an array or an object that implements Countable in /in/jrdv9 on line 3 Warning: Division by zero in /in/jrdv9 on line 3
Output for 7.3.32 - 7.3.33
Warning: array_sum() expects parameter 1 to be array, null given in /in/jrdv9 on line 3 Warning: count(): Parameter must be an array or an object that implements Countable in /in/jrdv9 on line 3 Warning: Division by zero in /in/jrdv9 on line 3
Output for 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 - 7.1.20
Notice: Undefined variable: A in /in/jrdv9 on line 3 Warning: array_sum() expects parameter 1 to be array, null given in /in/jrdv9 on line 3 Notice: Undefined variable: A in /in/jrdv9 on line 3 Warning: Division by zero in /in/jrdv9 on line 3
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Notice: Undefined variable: A in /in/jrdv9 on line 3 Warning: array_sum(): The argument should be an array in /in/jrdv9 on line 3 Notice: Undefined variable: A in /in/jrdv9 on line 3 Warning: Division by zero in /in/jrdv9 on line 3
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
Notice: Undefined variable: A in /in/jrdv9 on line 3 Warning: array_sum(): The argument should be an array in /in/jrdv9 on line 3 Notice: Undefined variable: A in /in/jrdv9 on line 3 Warning: Division by zero in /in/jrdv9 on line 3
Output for 4.3.0 - 4.3.1
Notice: Undefined variable: A in /in/jrdv9 on line 3 Warning: array_sum() [http://www.php.net/function.array-sum]: The argument should be an array in /in/jrdv9 on line 3 Notice: Undefined variable: A in /in/jrdv9 on line 3 Warning: Division by zero in /in/jrdv9 on line 3
preferences:
244.96 ms | 402 KiB | 315 Q