| 1 |
<?php |
| 2 |
if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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|
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if ( ! function_exists( 'f12_cf7_doubleoptin_get_installation_uuid' ) ) { |
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function f12_cf7_doubleoptin_get_installation_uuid(): string { |
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$uuid = get_option( 'f12_cf7_doubleoptin_installation_uuid' ); |
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if ( empty( $uuid ) ) { |
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if ( function_exists( 'wp_generate_uuid4' ) ) { |
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$uuid = wp_generate_uuid4(); |
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} else { |
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$uuid = sprintf( |
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'%04x%04x-%04x-%04x-%04x-%04x%04x%04x', |
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mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff ), |
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mt_rand( 0, 0xffff ), |
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mt_rand( 0, 0x0fff ) | 0x4000, |
| 18 |
mt_rand( 0, 0x3fff ) | 0x8000, |
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mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff ) |
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); |
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} |
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update_option( 'f12_cf7_doubleoptin_installation_uuid', $uuid, true ); |
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} |
| 24 |
|
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return $uuid; |
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} |
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} |
| 28 |
|
