3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $n = array(1, 3); $k = 0; $x = 3; $z[] = $x; for ($i = 1; $i < 300; $i++) { $x += $n[$k]; $z[] = $x; if ($k == 0) $k = 1; else $k = 0; } echo implode(',', $z);
Output for 4.3.0 - 7.2.0
3,4,7,8,11,12,15,16,19,20,23,24,27,28,31,32,35,36,39,40,43,44,47,48,51,52,55,56,59,60,63,64,67,68,71,72,75,76,79,80,83,84,87,88,91,92,95,96,99,100,103,104,107,108,111,112,115,116,119,120,123,124,127,128,131,132,135,136,139,140,143,144,147,148,151,152,155,156,159,160,163,164,167,168,171,172,175,176,179,180,183,184,187,188,191,192,195,196,199,200,203,204,207,208,211,212,215,216,219,220,223,224,227,228,231,232,235,236,239,240,243,244,247,248,251,252,255,256,259,260,263,264,267,268,271,272,275,276,279,280,283,284,287,288,291,292,295,296,299,300,303,304,307,308,311,312,315,316,319,320,323,324,327,328,331,332,335,336,339,340,343,344,347,348,351,352,355,356,359,360,363,364,367,368,371,372,375,376,379,380,383,384,387,388,391,392,395,396,399,400,403,404,407,408,411,412,415,416,419,420,423,424,427,428,431,432,435,436,439,440,443,444,447,448,451,452,455,456,459,460,463,464,467,468,471,472,475,476,479,480,483,484,487,488,491,492,495,496,499,500,503,504,507,508,511,512,515,516,519,520,523,524,527,528,531,532,535,536,539,540,543,544,547,548,551,552,555,556,559,560,563,564,567,568,571,572,575,576,579,580,583,584,587,588,591,592,595,596,599,600