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12 years ago
<?php
Note: The function trims all values unlike  str_getcsv (v5.3).
/**
  * @link https://github.com/insteps/phputils (for updated code)
  * Parse a CSV string into an array for php 4+.
  * @param string $input String
  * @param string $delimiter String
  * @param string $enclosure String
  * @return array
  */
function str_getcsv4($input, $delimiter = ',', $enclosure = '"') {

    if( ! preg_match("/[$enclosure]/", $input) ) {
      return (array)preg_replace(array("/^\\s*/", "/\\s*$/"), '', explode($delimiter, $input));
    }

    $token = "##"; $token2 = "::";
    //alternate tokens "\034\034", "\035\035", "%%";
    $t1 = preg_replace(array("/\\\[$enclosure]/", "/$enclosure{2}/",
         "/[$enclosure]\\s*[$delimiter]\\s*[$enclosure]\\s*/", "/\\s*[$enclosure]\\s*/"),
         array($token2, $token2, $token, $token), trim(trim(trim($input), $enclosure)));

    $a = explode($token, $t1);
    foreach($a as $k=>$v) {
        if ( preg_match("/^{$delimiter}/", $v) || preg_match("/{$delimiter}$/", $v) ) {
            $a[$k] = trim($v, $delimiter); $a[$k] = preg_replace("/$delimiter/", "$token", $a[$k]); }
    }
    $a = explode($token, implode($token, $a));
    return (array)preg_replace(array("/^\\s/", "/\\s$/", "/$token2/"), array('', '', $enclosure), $a);

}

if ( ! function_exists('str_getcsv')) {
  function str_getcsv($input, $delimiter = ',', $enclosure = '"') {
    return str_getcsv4($input, $delimiter, $enclosure);
  }
}
?>
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