Contact Form 7 Either Required Input

cop this code and create a file text_or.php..and place it inside module folder where already a text.php there…
then from backend you will find a new tag..
<?php
/**
** A base module for [text*], and [email*]
**/

/* Validation filter for either or fields
use or_field:tag
use or_label:field label

*/

add_filter( ‘wpcf7_validate_text*’, ‘wpcf7_textor_validation_filter’, 20, 2 );
add_filter( ‘wpcf7_validate_email*’, ‘wpcf7_textor_validation_filter’, 20, 2 );

function wpcf7_textor_validation_filter( $result, $tag ) {
$type = $tag[‘type’];
$name = $tag[‘name’];
$options = (array) $tag[‘options’];

foreach ( $options as $option ) {

if ( preg_match( ‘%^or_field:([-0-9a-zA-Z_]+)$%’, $option, $matches ) ) {
$match = $matches[1];
$match = trim((string)$match);
}

if ( preg_match( ‘%^or_label:([-0-9a-zA-Z_]+)$%’, $option, $matches ) ) {
$lmatch = $matches[1];
$lmatch = trim((string)$lmatch);
$lmatch = str_replace(‘_’, ‘ ‘,$lmatch);
}

}

$_POST[$match] = trim( strtr( (string) $_POST[$match], “\n”, ” ” ) );
$_POST[$name] = trim( strtr( (string) $_POST[$name], “\n”, ” ” ) );

$custom_response = ‘This field or the ‘. $lmatch .’ field are required’;

if ( ‘text*’ == $type ) {
if ( ” == $_POST[$name] && ” == $_POST[$match] && $match) {
$result[‘valid’] = false;

$result[‘reason’][$name] = $custom_response;
} elseif ($match) {

$result[‘valid’] = true;

}
}

if ( ’email*’ == $type ) {

if ( ” == $_POST[$name] && ” == $_POST[$match] && $match) {
$result[‘valid’] = false;
$result[‘reason’][$name] = $custom_response;
} elseif ( ” != $_POST[$name] && ! is_email( $_POST[$name] && $match) ) {
$result[‘valid’] = false;
$result[‘reason’][$name] = wpcf7_get_message( ‘invalid_email’ );
} elseif($match) {

$result[‘valid’] = true;

}
}

return $result;

}

/* Tag generator */

add_action( ‘admin_init’, ‘wpcf7_add_tag_generator_textor_and_emailor’, 1 );

function wpcf7_add_tag_generator_textor_and_emailor() {
wpcf7_add_tag_generator( ‘text’, __( ‘Text field’, ‘wpcf7’ ),
‘wpcf7-tg-pane-text’, ‘wpcf7_tg_pane_textor’ );

wpcf7_add_tag_generator( ’email’, __( ‘Email field’, ‘wpcf7’ ),
‘wpcf7-tg-pane-email’, ‘wpcf7_tg_pane_emailor’ );
}

function wpcf7_tg_pane_textor( &$contact_form ) {
wpcf7_tg_pane_textor_and_emailor( ‘text’ );
}

function wpcf7_tg_pane_emailor( &$contact_form ) {
wpcf7_tg_pane_textor_and_emailor( ’email’ );
}

function wpcf7_tg_pane_textor_and_emailor( $type = ‘text’ ) {
if ( ’email’ != $type )
$type = ‘text’;

?>
<div id=”wpcf7-tg-pane-<?php echo $type; ?>” class=”hidden”>
<form action=””>
<table>
<tr><td><input type=”checkbox” name=”required” /> <?php echo esc_html( __( ‘Required field?’, ‘wpcf7’ ) ); ?></td></tr>
<tr><td><?php echo esc_html( __( ‘Name’, ‘wpcf7’ ) ); ?>
<input type=”text” name=”name” class=”tg-name oneline” /></td><td></td></tr>
</table>

<table>
<tr>
<td>id (<?php echo esc_html( __( ‘optional’, ‘wpcf7’ ) ); ?>)
<input type=”text” name=”id” class=”idvalue oneline option” /></td>

<td>class (<?php echo esc_html( __( ‘optional’, ‘wpcf7’ ) ); ?>)
<input type=”text” name=”class” class=”classvalue oneline option” /></td>
</tr>

<tr>
<td>size (<?php echo esc_html( __( ‘optional’, ‘wpcf7’ ) ); ?>)
<input type=”text” name=”size” class=”numeric oneline option” /></td>

<td>maxlength (<?php echo esc_html( __( ‘optional’, ‘wpcf7’ ) ); ?>)
<input type=”text” name=”maxlength” class=”numeric oneline option” /></td>
</tr>

<tr>
<td>or_field
(<?php echo esc_html( __( ‘match field tag name’, ‘wpcf7’ ) ); ?>)
<input type=”text” name=”or_field” class=”or_field oneline option” /></td>

<td>or_label
(<?php echo esc_html( __( ‘match field pretty name (use _ for spaces’, ‘wpcf7’ ) ); ?>)
<input type=”text” name=”or_label” class=”or_label oneline option” /></td>
</tr>

<tr>
<td colspan=”2″><p> The fields above are useful only when the field you are adding is a required field. These will make the current field and another field an either/or field. (ie. email or phone number are required.
The format is [email* or_field:phone or_label:Phone_Number] if phone is the other field tag name. </p></td>
</tr>

<tr>
<td colspan=”2″><?php echo esc_html( __( ‘Akismet’, ‘wpcf7’ ) ); ?> (<?php echo esc_html( __( ‘optional’, ‘wpcf7’ ) ); ?>)
<?php if ( ‘text’ == $type ) : ?>
<input type=”checkbox” name=”akismet:author” class=”exclusive option” /> <?php echo esc_html( __( “This field requires author’s name”, ‘wpcf7’ ) ); ?>
<input type=”checkbox” name=”akismet:author_url” class=”exclusive option” /> <?php echo esc_html( __( “This field requires author’s URL”, ‘wpcf7’ ) ); ?>
<?php else : ?>
<input type=”checkbox” name=”akismet:author_email” class=”option” /> <?php echo esc_html( __( “This field requires author’s email address”, ‘wpcf7’ ) ); ?>
<?php endif; ?>
</td>
</tr>

<tr>
<td><?php echo esc_html( __( ‘Default value’, ‘wpcf7’ ) ); ?> (<?php echo esc_html( __( ‘optional’, ‘wpcf7’ ) ); ?>)
<input type=”text” name=”values” class=”oneline” /></td>

<td>

<input type=”checkbox” name=”watermark” class=”option” /> <?php echo esc_html( __( ‘Use this text as watermark?’, ‘wpcf7’ ) ); ?>
</td>
</tr>
</table>

<div class=”tg-tag”><?php echo esc_html( __( “Copy this code and paste it into the form left.”, ‘wpcf7’ ) ); ?>
<input type=”text” name=”<?php echo $type; ?>” class=”tag” readonly=”readonly” onfocus=”this.select()” /></div>

<div class=”tg-mail-tag”><?php echo esc_html( __( “And, put this code into the Mail fields below.”, ‘wpcf7’ ) ); ?>
<span class=”arrow”>?</span> <input type=”text” class=”mail-tag” readonly=”readonly” onfocus=”this.select()” /></div>
</form>
</div>
<?php
}

?>