Converts a CSV to JSON array based on CSV headings.

csv2json.php

#!/usr/bin/env php
<?php

print "CSV 2 JSON\n";

if (!isset($argv[2])) {
    print "Usage: csv2json.php infile.csv outfile.json\n";
    exit();
}

$infile = $argv[1];
$outfile = $argv[2];

$hIn = fopen($infile, 'r');

$aCols = fgetcsv($hIn);
$aCols = array_map("strtolower", $aCols);
$aCols = array_map("trim", $aCols);

$aResult = array();
while($aLine = fgetcsv($hIn)) {
    $aItem = array();
    foreach($aCols as $iIndex => $strCol) {
        $aItem[$strCol] = trim($aLine[$iIndex]);
    }
    $aResult[] = $aItem;
}

fclose($hIn);

$strResult = json_encode($aResult);

file_put_contents($outfile, $strResult);

print "Converted to JSON successfully!\n";