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<?php $index = 1; $total = 0; while($index<=6115729){ if(gmp_perfect_square($index)){ $total = $total + $total; } $index++; } echo $total; ?>
Output for 5.4.36 - 5.5.34, 5.6.7 - 5.6.20, 5.6.28 - 7.0.5, 7.0.14 - 7.1.0
0
Output for 7.0.6
Fatal error: Uncaught Error: Call to undefined function gmp_perfect_square() in /in/S0e6g:5 Stack trace: #0 {main} thrown in /in/S0e6g on line 5
Process exited with code 255.
Output for 5.0.0 - 5.4.35, 5.5.35, 5.6.21
Fatal error: Call to undefined function gmp_perfect_square() in /in/S0e6g on line 5
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: gmp_perfect_square() in /in/S0e6g on line 5
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: gmp_perfect_square() in /in/S0e6g on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: gmp_perfect_square() in /in/S0e6g on line 5