Online PHP editor | output for VRp01

@ 2017-09-16T15:59:04Z

<?php

$bit = 5.99999999999999;
echo("1 << 6 = "); echo(1 << 6);        echo("\n");
echo("\$bit = "); echo($bit);        echo("\n");
echo("1 << \$bit = "); echo(1 << $bit);   echo("\n");
echo("gettype(6) = "); echo gettype(6); echo("\n");
echo("gettype(log(64,2)) = "); echo gettype(log(64,2)); echo("\n");
echo("1 << round(\$bit) = "); echo(1 << round($bit));

Output for 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3: 1 << 6 = 64 $bit = 6 1 << $bit = Deprecated: Implicit conversion from float 5.99999999999999 to int loses precision in /in/VRp01 on line 6 32 gettype(6) = integer gettype(log(64,2)) = double 1 << round($bit) = 64
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 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: 1 << 6 = 64 $bit = 6 1 << $bit = 32 gettype(6) = integer gettype(log(64,2)) = double 1 << round($bit) = 64

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