wpcf7_generate_captcha() CF7 1.0

Хуков нет.

Возвращает

Null. Ничего.

Использование

wpcf7_generate_captcha( $options );

Код wpcf7_generate_captcha() wpcf7 generate captcha ^{CF7 5.3.2}

<?php
function wpcf7_generate_captcha( $options = null ) {
	if ( ! $captcha = wpcf7_init_captcha() ) {
		return false;
	}

	if ( ! is_dir( $captcha->tmp_dir )
	or ! wp_is_writable( $captcha->tmp_dir ) ) {
		return false;
	}

	$img_type = imagetypes();

	if ( $img_type & IMG_PNG ) {
		$captcha->img_type = 'png';
	} elseif ( $img_type & IMG_GIF ) {
		$captcha->img_type = 'gif';
	} elseif ( $img_type & IMG_JPG ) {
		$captcha->img_type = 'jpeg';
	} else {
		return false;
	}

	if ( is_array( $options ) ) {
		if ( isset( $options['img_size'] ) ) {
			$captcha->img_size = $options['img_size'];
		}

		if ( isset( $options['base'] ) ) {
			$captcha->base = $options['base'];
		}

		if ( isset( $options['font_size'] ) ) {
			$captcha->font_size = $options['font_size'];
		}

		if ( isset( $options['font_char_width'] ) ) {
			$captcha->font_char_width = $options['font_char_width'];
		}

		if ( isset( $options['fg'] ) ) {
			$captcha->fg = $options['fg'];
		}

		if ( isset( $options['bg'] ) ) {
			$captcha->bg = $options['bg'];
		}
	}

	$prefix = wp_rand();
	$captcha_word = $captcha->generate_random_word();
	return $captcha->generate_image( $prefix, $captcha_word );
}