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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
Line | Code |
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44 | // Shake it! |
45 | $shake_error_codes = array( 'empty_password', 'empty_email', 'invalid_email', 'invalidcombo', 'empty_username', 'invalid_username', 'incorrect_password' ); |
46 | /** |
47 | * Filters the error codes array for shaking the login form. |
48 | * |
49 | * @since 3.0.0 |
50 | * |
51 | * @param array $shake_error_codes Error codes that shake the login form. |
52 | */ |
53 | $shake_error_codes = apply_filters( 'shake_error_codes', $shake_error_codes ); |
54 |
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55 | if ( $shake_error_codes && $wp_error->get_error_code() && in_array( $wp_error->get_error_code(), $shake_error_codes ) ) |
56 | add_action( 'login_head', 'wp_shake_js', 12 ); |
57 |
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58 | $separator = is_rtl() ? ' › ' : ' ‹ '; |
59 |
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60 | ?><!DOCTYPE html> |
61 | <!--[if IE 8]> |
62 | <html xmlns="http://www.w3.org/1999/xhtml" class="ie8" <?php language_attributes(); ?>> |