<?
$arr=array(
'M_PI' => M_PI
,'M_E' => M_E
,'M_LOG2E' => M_LOG2E
,'M_LOG10E' => M_LOG10E
,'M_LN2' => M_LN2
,'M_LN10' => M_LN10
,'M_PI_2' => M_PI_2
,'M_PI_4' => M_PI_4
,'M_1_PI' => M_1_PI
,'M_2_PI' => M_2_PI
,'M_SQRTPI' => M_SQRTPI
,'M_SQRTPI' => M_SQRTPI
,'M_2_SQRTPI' => M_2_SQRTPI
,'M_SQRT2' => M_SQRT2
,'M_SQRT3' => M_SQRT3
,'M_SQRT1_2' => M_SQRT1_2
,'M_SQRTPI' => M_SQRTPI
,'M_NULL' => M_NULL
,'M_EULER' => M_EULER
)
?>konstantos:<br><pre><? print_r ($arr);?></pre>
<hr> apvalinimai:<br> <?
$a= 1.3363669444444;
$b= -1.356569444444;
echo abs($b) . " | " . round($b,4) . " | " . floor($b) ." | ". floor($a) ." | " . ceil($b)." | ". ceil($a);
?>
<hr> atsitikt. skaiciai:<br><?
echo lcg_value() ."<br>";
srand((double)microtime()*10000000);
$b =getrandmax() ;
echo $b . " | " . rand (0, $b) . "<br>";
mt_srand((double)microtime()*10000000); //Since 4.2.0
$b =mt_getrandmax();
echo $b. " | " . mt_rand (0,$b) . "<br>";
$r = (rand(85, 112) / 100);
echo "Tarp 0.85 ir 1.12 - " .$r . "<br>";
?><hr>konvertavimas:<br><?
echo base_convert(4,10,2)."<br>";
echo dechex(65535)."<br>";
echo number_format(100023.12 ,4,":","-")."<br>"; //bin2hex, bindec ,decoct, deg2rad , octdec, rad2deg
//absm, acos, acosh, asin, asinh , atan2 , atan, atanh, cos, cosh, exp, log10, log, pi, pow, sin, sinh, sqrt, tan
?><hr>Lyginimas: max, min komandos<br>
<?
$a = array(1,2,3,4,"5","N/A");
$b = array(1,2,3,4,'50','10 N/A');
echo "A: ".max($a)." : ";
echo "B: ".max($b)." : ";
echo (max($a)>0)?max($a):'max: 0';
?>
