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1. First, dd this code [] at the end of your form field name. So your field's name will be "test[]".

Example:

    <input type="text" name="test[]" value=""  size="60" />

2. Use this way to save the value:

   $old = get_post_meta($post_id, 'your_meta_key', true);
   $newtest = array();
   $test = $_POST['test'];
   $count = count( $test );
   
   for ( $i = 0; $i < $count; $i++ ) {
       if ( $test[$i] != '' ) {
           $newtest[$i]['test'] = stripslashes( strip_tags( $test[$i] ) );
       }
   }
   
   if ( !empty( $newtest ) && $newtest != $old ) {
       update_post_meta( $post_id, 'repeatable_fields', $newtest );
   } elseif ( empty($newtest) && $old ) {
       delete_post_meta( $post_id, 'repeatable_fields', $old );
   }
   

3. Showing your field with the saved values:

   $show_the_value = get_post_meta($post->ID, 'your_meta_key', true);
   if ($show_the_value) {
       foreach ($show_the_value as $value) { ?>
           <input type="text" name="test[]" value="<?php if($value['test'] != '') echo  $value['test']; ?>"  size="60" />
       <?php }
   }
   

1. First, dd this code [] at the end of your form field name. So your field's name will be "test[]".

   Example:

   <input type="text" name="test[]" value=""  size="60" />
   

2. Use this way to save the value:

   $old = get_post_meta($post_id, 'your_meta_key', true);
   $newtest = array();
   $test = $_POST['test'];
   $count = count( $test );
   
   for ( $i = 0; $i < $count; $i++ ) {
       if ( $test[$i] != '' ) {
           $newtest[$i]['test'] = stripslashes( strip_tags( $test[$i] ) );
       }
   }
   
   if ( !empty( $newtest ) && $newtest != $old ) {
       update_post_meta( $post_id, 'repeatable_fields', $newtest );
   } elseif ( empty($newtest) && $old ) {
       delete_post_meta( $post_id, 'repeatable_fields', $old );
   }
   

3. Showing your field with the saved values:

   $show_the_value = get_post_meta($post->ID, 'your_meta_key', true);
   if ($show_the_value) {
       foreach ($show_the_value as $value) { ?>
           <input type="text" name="test[]" value="<?php if($value['test'] != '') echo  $value['test']; ?>"  size="60" />
       <?php }
   }
   

1. First, dd this code [] at the end of your form field name. So your field's name will be "test[]". Example:

2. Use this way to save the value:

   $old = get_post_meta($post_id, 'your_meta_key', true); $newtest = array(); $test = $_POST['test']; $count = count( $test );

   for ( $i = 0; $i < $count; $i++ ) { if ( $test[$i] != '' ) : $newtest[$i]['test'] = stripslashes( strip_tags( $test[$i] ) ); endif; }

   if ( !empty( $newtest ) && $newtest != $old ) update_post_meta( $post_id, 'repeatable_fields', $newtest ); elseif ( empty($newtest) && $old ) delete_post_meta( $post_id, 'repeatable_fields', $old );

3. Showing your field with the saved values:

   $show_the_value = get_post_meta($post->ID, 'your_meta_key', true);

   if ($show_the_value) {

   foreach ($show_the_value as $value) {

    <input type="text" name="test[]" value="<?php if($value['test'] != '') echo  $value['test']; ?>"  size="60" />
   

   }

   }

1. First, dd this code [] at the end of your form field name. So your field's name will be "test[]".

Example:

    <input type="text" name="test[]" value=""  size="60" />

2. Use this way to save the value:

   $old = get_post_meta($post_id, 'your_meta_key', true);
   $newtest = array();
   $test = $_POST['test'];
   $count = count( $test );
   
   for ( $i = 0; $i < $count; $i++ ) {
       if ( $test[$i] != '' ) {
           $newtest[$i]['test'] = stripslashes( strip_tags( $test[$i] ) );
       }
   }
   
   if ( !empty( $newtest ) && $newtest != $old ) {
       update_post_meta( $post_id, 'repeatable_fields', $newtest );
   } elseif ( empty($newtest) && $old ) {
       delete_post_meta( $post_id, 'repeatable_fields', $old );
   }
   

3. Showing your field with the saved values:

   $show_the_value = get_post_meta($post->ID, 'your_meta_key', true);
   if ($show_the_value) {
       foreach ($show_the_value as $value) { ?>
           <input type="text" name="test[]" value="<?php if($value['test'] != '') echo  $value['test']; ?>"  size="60" />
       <?php }
   }
   

1. First, dd this code [] at the end of your form field name. So your field's name will be "test[]". Example:

2. Use this way to save the value:

   $old = get_post_meta($post_id, 'your_meta_key', true); $newtest = array(); $test = $_POST['test']; $count = count( $test );

   for ( $i = 0; $i < $count; $i++ ) { if ( $test[$i] != '' ) : $newtest[$i]['test'] = stripslashes( strip_tags( $test[$i] ) ); endif; }

   if ( !empty( $newtest ) && $newtest != $old ) update_post_meta( $post_id, 'repeatable_fields', $newtest ); elseif ( empty($newtest) && $old ) delete_post_meta( $post_id, 'repeatable_fields', $old );

3. Showing your field with the saved values:

   $show_the_value = get_post_meta($post->ID, 'your_meta_key', true);

   if ($show_the_value) {

   foreach ($show_the_value as $value) {

    <input type="text" name="test[]" value="<?php if($value['test'] != '') echo  $value['test']; ?>"  size="60" />
   

   }

   }

1. First, dd this code [] at the end of your form field name. So your field's name will be "test[]". Example:

2. Use this way to save the value:

   $old = get_post_meta($post_id, 'your_meta_key', true); $newtest = array(); $test = $_POST['test']; $count = count( $test );

   for ( $i = 0; $i < $count; $i++ ) { if ( $test[$i] != '' ) : $newtest[$i]['test'] = stripslashes( strip_tags( $test[$i] ) ); endif; }

   if ( !empty( $newtest ) && $newtest != $old ) update_post_meta( $post_id, 'repeatable_fields', $newtest ); elseif ( empty($newtest) && $old ) delete_post_meta( $post_id, 'repeatable_fields', $old );

3. Showing your field with the saved values:

   $show_the_value = get_post_meta($post->ID, 'your_meta_key', true);

   if ($show_the_value) {

   foreach ($show_the_value as $value) {

    <input type="text" name="test[]" value="<?php if($value['test'] != '') echo  $value['test']; ?>"  size="60" />
   

   }

   }