Online PHP editor | output for CpvG7

@ 2015-05-27T14:42:33Z

<?php

function work($i){
    list($v, $u) = split(" ", $i);
    $u == 'C' || print( $v = $u == 'K' ? $v - 273.15 : ($v - 32)*5/9 ) . " C\n";
    $u != "K" && print $v + 273.15 . " K\n";
    $u != "F" && print $v * 9/5 + 32 . " F\n";
}

function f($i){list($v,$u)=split(" ",$i);$u==C||print($v=$u==K?$v-273.15:($v-32)*5/9)."C\n";$u!=K&&print $v+273.15 ."K\n";$u!=F&&print $v*9/5+32 ."F\n";}

@f("23 C"); echo "\n\n";          // Expect   73.4 F       296.15 K
@f("86.987 F"); echo "\n\n";      // Expect   303.6983 K   30.5483 C
@f("56.99999999 K"); echo "\n\n"; // Expect  -216.1500 C  -357.0700 F

Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14: Fatal error: Uncaught Error: Call to undefined function split() in /in/CpvG7:10 Stack trace: #0 /in/CpvG7(12): f('23 C') #1 {main} thrown in /in/CpvG7 on line 10
Process exited with code 255.
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.1 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28: 296.15K 73.4F 30.548333333333C 303.69833333333K -216.15000001C -357.070000018F
Output for 5.1.0: Fatal error: fatal flex scanner internal error--end of buffer missed in /in/CpvG7 on line 14
Process exited with code 255.

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