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_default_wp_die_handler( string|WP_Error $message, string $title = '', string|array $args = array() )

This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.

Kills WordPress execution and displays HTML page with an error message.

Description

This is the default handler for wp_die(). If you want a custom one, you can override this using the ‘wp_die_handler’ filter in wp_die().

Parameters

$message

(string|WP_Error) (Required) Error message or WP_Error object.

$title

(string) (Optional) Error title.

Default value: ''

$args

(string|array) (Optional) Arguments to control behavior.

Default value: array()

Source

File: wp-includes/functions.php

function _default_wp_die_handler( $message, $title = '', $args = array() ) {
	list( $message, $title, $r ) = _wp_die_process_input( $message, $title, $args );

	if ( is_string( $message ) ) {
		if ( ! empty( $r['additional_errors'] ) ) {
			$message = array_merge(
				array( $message ),
				wp_list_pluck( $r['additional_errors'], 'message' )
			);
			$message = "<ul>\n\t\t<li>" . join( "</li>\n\t\t<li>", $message ) . "</li>\n\t</ul>";
		} else {
			$message = "<p>$message</p>";
		}
	}

	$have_gettext = function_exists( '__' );

	if ( ! empty( $r['link_url'] ) && ! empty( $r['link_text'] ) ) {
		$link_url = $r['link_url'];
		if ( function_exists( 'esc_url' ) ) {
			$link_url = esc_url( $link_url );
		}
		$link_text = $r['link_text'];
		$message  .= "\n<p><a href='{$link_url}'>{$link_text}</a></p>";
	}

	if ( isset( $r['back_link'] ) && $r['back_link'] ) {
		$back_text = $have_gettext ? __( '&laquo; Back' ) : '&laquo; Back';
		$message  .= "\n<p><a href='javascript:history.back()'>$back_text</a></p>";
	}

	if ( ! did_action( 'admin_head' ) ) :
		if ( ! headers_sent() ) {
			header( 'Content-Type: text/html; charset=utf-8' );
			status_header( $r['response'] );
			nocache_headers();
		}

		$text_direction = $r['text_direction'];
		if ( function_exists( 'language_attributes' ) && function_exists( 'is_rtl' ) ) {
			$dir_attr = get_language_attributes();
		} else {
			$dir_attr = "dir='$text_direction'";
		}
		?>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" <?php echo $dir_attr; ?>>
<head>
	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
	<meta name="viewport" content="width=device-width">
		<?php
		if ( function_exists( 'wp_no_robots' ) ) {
			wp_no_robots();
		}
		?>
	<title><?php echo $title; ?></title>
	<style type="text/css">
		html {
			background: #f1f1f1;
		}
		body {
			background: #fff;
			color: #444;
			font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
			margin: 2em auto;
			padding: 1em 2em;
			max-width: 700px;
			-webkit-box-shadow: 0 1px 3px rgba(0, 0, 0, 0.13);
			box-shadow: 0 1px 3px rgba(0, 0, 0, 0.13);
		}
		h1 {
			border-bottom: 1px solid #dadada;
			clear: both;
			color: #666;
			font-size: 24px;
			margin: 30px 0 0 0;
			padding: 0;
			padding-bottom: 7px;
		}
		#error-page {
			margin-top: 50px;
		}
		#error-page p {
			font-size: 14px;
			line-height: 1.5;
			margin: 25px 0 20px;
		}
		#error-page code {
			font-family: Consolas, Monaco, monospace;
		}
		ul li {
			margin-bottom: 10px;
			font-size: 14px ;
		}
		a {
			color: #0073aa;
		}
		a:hover,
		a:active {
			color: #00a0d2;
		}
		a:focus {
			color: #124964;
			-webkit-box-shadow:
				0 0 0 1px #5b9dd9,
				0 0 2px 1px rgba(30, 140, 190, 0.8);
			box-shadow:
				0 0 0 1px #5b9dd9,
				0 0 2px 1px rgba(30, 140, 190, 0.8);
			outline: none;
		}
		.button {
			background: #f7f7f7;
			border: 1px solid #ccc;
			color: #555;
			display: inline-block;
			text-decoration: none;
			font-size: 13px;
			line-height: 26px;
			height: 28px;
			margin: 0;
			padding: 0 10px 1px;
			cursor: pointer;
			-webkit-border-radius: 3px;
			-webkit-appearance: none;
			border-radius: 3px;
			white-space: nowrap;
			-webkit-box-sizing: border-box;
			-moz-box-sizing:    border-box;
			box-sizing:         border-box;

			-webkit-box-shadow: 0 1px 0 #ccc;
			box-shadow: 0 1px 0 #ccc;
			 vertical-align: top;
		}

		.button.button-large {
			height: 30px;
			line-height: 28px;
			padding: 0 12px 2px;
		}

		.button:hover,
		.button:focus {
			background: #fafafa;
			border-color: #999;
			color: #23282d;
		}

		.button:focus {
			border-color: #5b9dd9;
			-webkit-box-shadow: 0 0 3px rgba(0, 115, 170, 0.8);
			box-shadow: 0 0 3px rgba(0, 115, 170, 0.8);
			outline: none;
		}

		.button:active {
			background: #eee;
			border-color: #999;
			 -webkit-box-shadow: inset 0 2px 5px -3px rgba(0, 0, 0, 0.5);
			 box-shadow: inset 0 2px 5px -3px rgba(0, 0, 0, 0.5);
			 -webkit-transform: translateY(1px);
			 -ms-transform: translateY(1px);
			 transform: translateY(1px);
		}

		<?php
		if ( 'rtl' == $text_direction ) {
			echo 'body { font-family: Tahoma, Arial; }';
		}
		?>
	</style>
</head>
<body id="error-page">
<?php endif; // ! did_action( 'admin_head' ) ?>
	<?php echo $message; ?>
</body>
</html>
	<?php
	if ( $r['exit'] ) {
		die();
	}
}

Changelog

Version Description
3.0.0 Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/_default_wp_die_handler