msondagh

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  • Set the size to Large using this tag in your Contact Form 7 form:
    [captchac your-captcha size:l]

    In Really Simple CAPTCHA change the char_length to 8 in really-simple-captcha.php:

    /* Length of a word in an image */
$this->char_length = 8;

    There seems to be a bug in the img_size parameter in really-simple-captcha.php.
    The Width settings is ignored so I hard-coded the setting.

    Change:
if ( $im = imagecreatetruecolor( $this->img_size[0], $this->img_size[1] ) ) {
To:
if ( $im = imagecreatetruecolor( 184, 28 ) ) {

    The Width of the CAPTCHA image is also hard-coded in Contact Form 7.
    So you must also edit the file: modules\captcha.php

    Change:
case 'l':
   $op['img_size'] = array( 84, 28 );
To:
   $op['img_size'] = array( 184, 28 );

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