PHP

CSV Set Column Name

Demonstrates how to set the name of a column in a CSV. Chilkat2 PHP

<?php

use Chilkat2\Csv;
use Chilkat2\StringBuilder;

// We have the following CSV...

// permalink,company,numEmps,category,city,state,fundedDate,raisedAmt,raisedCurrency,round
// lifelock,LifeLock,,web,Tempe,AZ,1-May-07,6850000,USD,b
// mycityfaces,MyCityFaces,7,web,Scottsdale,AZ,1-Jan-08,50000,USD,seed
// flypaper,Flypaper,,web,Phoenix,AZ,1-Feb-08,3000000,USD,a
// infusionsoft,Infusionsoft,105,software,Gilbert,AZ,1-Oct-07,9000000,USD,a
// gauto,gAuto,4,web,Scottsdale,AZ,1-Jan-08,250000,USD,seed

$bCrlf = true;
$sb = new StringBuilder();
$sb->AppendLine('permalink,company,numEmps,category,city,state,fundedDate,raisedAmt,raisedCurrency,round', $bCrlf);
$sb->AppendLine('lifelock,LifeLock,,web,Tempe,AZ,1-May-07,6850000,USD,b', $bCrlf);
$sb->AppendLine('mycityfaces,MyCityFaces,7,web,Scottsdale,AZ,1-Jan-08,50000,USD,seed', $bCrlf);
$sb->AppendLine('flypaper,Flypaper,,web,Phoenix,AZ,1-Feb-08,3000000,USD,a', $bCrlf);
$sb->AppendLine('infusionsoft,Infusionsoft,105,software,Gilbert,AZ,1-Oct-07,9000000,USD,a', $bCrlf);
$sb->AppendLine('gauto,gAuto,4,web,Scottsdale,AZ,1-Jan-08,250000,USD,seed', $bCrlf);

$csv = new Csv();

$csv->HasColumnNames = true;
$csv->LoadFromString($sb->GetAsString());

// Get each column name..
$numCols = $csv->NumColumns;
$i = 0;
while ($i < $numCols) {
    echo $csv->GetColumnName($i), "\n";
    $i = $i + 1;
}

echo "---\n";

// Change the "numEmps" column name to "employeeCount"
$csv->SetColumnName(2, 'employeeCount');

$numCols = $csv->NumColumns;
$i = 0;
while ($i < $numCols) {
    echo $csv->GetColumnName($i), "\n";
    $i = $i + 1;
}

// Use the updated column name...
echo "---\n";
echo $csv->GetCellByName(3, 'employeeCount'), "\n";

// Output should be:

// permalink
// company
// numEmps
// category
// city
// state
// fundedDate
// raisedAmt
// raisedCurrency
// round
// ---
// permalink
// company
// employeeCount
// category
// city
// state
// fundedDate
// raisedAmt
// raisedCurrency
// round
// ---
// 105