LTSV line parser for php.

parseLineLtsv.php

#!/usr/bin/env php
<?php
 
while (false !== $line = fgets(STDIN)) {
    print_r(parse($line));
}

// 68 sec
function parse($line)
{
    $hash = array();
	
    array_walk(
        explode("\t", $line),
        function ($f) use (&$hash) {
            list($l,$v) = explode(":", $f, 2);
            $hash[$l] = $v;
        }
    );

    return $hash;
}

// 51 sec
function parse2($line)
{
    $hash = array();

    $fields = explode("\t", $line);
    foreach ($fields as $f) {
        list($l,$v) = explode(":", $f, 2);
        $hash[$l] = $v;
    }

    return $hash;
}

//48 sec
function parse3($line)
{
    $hash = array();

    foreach (explode("\t", $line) as $f) {
    	$h = explode(":", $f, 2);
        $hash[$h[0]] = $h[1];
    }

    return $hash;
}