Added function `csvstr`HEADmasterdev

1 files changed, 33 insertions, 9 deletions

diff --git a/str_getcsv4.php b/str_getcsv4.php
index 35e0962..0758666 100644
--- a/str_getcsv4.php
+++ b/str_getcsv4.php
@@ -15,10 +15,10 @@
  *
  * @category  PHP
  * @author    V.Krishn <vkrishn4@gmail.com>
- * @copyright Copyright (c) 2012-2015 V.Krishn <vkrishn4@gmail.com>
+ * @copyright Copyright (c) 2012-2024 V.Krishn <vkrishn4@gmail.com>
  * @license   GPL
  * @link      http://github.com/insteps/phputils
- * @version   0.1.2
+ * @version   0.1.3
  *
  */
 
@@ -31,7 +31,7 @@
   */
  function str_getcsv4($input, $delimiter = ',', $enclosure = '"') {
 
-     if( ! preg_match("/[$enclosure]/", $input) ) {
+     if ( ! preg_match("/[$enclosure]/", $input) ) {
          return (array)preg_replace(array("/^\\s*/", "/\\s*$/"), '', explode($delimiter, $input));
      }
 
@@ -61,7 +61,7 @@
   */
  function str_getcsv4a($input, $delimiter = ',', $enclosure = '"') {
 
-     if( ! preg_match("/[$enclosure]/", $input) ) {
+     if ( ! preg_match("/[$enclosure]/", $input) ) {
          return (array)preg_replace(array("/^\\s*/", "/\\s*$/"), '', explode($delimiter, $input));
      }
 
@@ -71,13 +71,13 @@
      foreach($a as $k=>$v) {
 
         if ( preg_match("/{$enclosure}$/", rtrim($v)) ) {
-          $on = 0;
-          $c[] = $v; $b[] = trim(trim(implode(',', $c)), $enclosure);
-          unset($c); continue;
+            $on = 0;
+            $c[] = $v; $b[] = trim(trim(implode(',', $c)), $enclosure);
+            unset($c); continue;
         }
         if ( preg_match("/^{$enclosure}/", ltrim($v)) ) {
-          $on = 1; unset($c);
-          $v = ltrim(ltrim($v), $enclosure);
+            $on = 1; unset($c);
+            $v = ltrim(ltrim($v), $enclosure);
         }
         if ( $on ) { $c[] = $v; continue; }
 
@@ -89,6 +89,30 @@
 
  }
 
+/**
+  * Process an Array to CSV string.
+  * @param string $fields Array
+  * @param string $mode String
+  * @param string $size Integer
+  * @return string
+  */
+function csvstr(array $fields, $mode='+', int $size=1) : string {
+
+    //$fp = fopen('php://memory', 'r'.$dbtable_mode); # ALT
+    $sizeMBs = $size * 1024 * 1024;
+    // output upto 1MB is kept in memory,
+    // if it becomes bigger it will be written to a temporary file
+    $fp = fopen("php://temp/maxmemory:$sizeMBs", 'r'.$mode);
+    if ( fputcsv($fp, $fields) === false ) {
+        return false;
+    }
+    rewind($fp);
+    $csv_line = stream_get_contents($fp); // string
+    fclose($fp);
+    return rtrim($csv_line);
+
+}
+
  if ( ! function_exists('str_getcsv')) {
      function str_getcsv($input, $delimiter = ',', $enclosure = '"') {
        //return str_getcsv4($input, $delimiter, $enclosure); //OLDER