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Build an associative array from any delimited text file the the easy way using file, explode, unset, in array, array combine
associative array file csv array combine
associative-array-from-file-the-easy-way added Oct 27 2014
<?php
$target='b1234';
$file='myfile.csv';
$result='';
if(file_exists($file)){
//product file is not large file is fine to use
//otherwise use fopen
$lines = file($file);
if ($lines)
{
//one way to create an associative array from text file with csv type header row
//in this case get first row explode our field names make array and trim
$fields = explode(';',trim($lines[0]));
// print_r($fields);
//now unset the first line or line[0] with fields
unset($lines[0]);
// print_r($lines);
//make sure we have lines!
if(count($lines)>1){
//get each line
foreach($lines as $line){
//explode line into array and trim
$line = explode(';',trim($line));
//check if target key exists
if(in_array($target,$line)){
//check field count matches value count
if (sizeof($line)==sizeof($fields)){
//combine fields and values into associative array
$result = array_combine($fields,$line);
//remove empty elements except 0
//this works in one shot but throws notice
//$result = array_diff($result, array( '' ) );
//so we do it this way
$result = array_filter($result);
$result=array_slice($result, 0 );
}
}
}
}
}
}
if(!$result){
echo 'Data error';
exit;
}
/>