Question

sanitize_textarea_field( string $str )

Sanitizes a multiline string from user input or from the database.

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description

The function is like sanitize_text_field(), but preserves new lines (\n) and other whitespace, which are legitimate input in textarea elements.

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参数

$str

(string) (Required) String to sanitize.

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返回值

(string) Sanitized string.

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源代码

File: wp-includes/formatting.php

function sanitize_textarea_field( $str ) {
	$filtered = _sanitize_text_fields( $str, true );

	/**
	 * Filters a sanitized textarea field string.
	 *
	 * @since 4.7.0
	 *
	 * @param string $filtered The sanitized string.
	 * @param string $str      The string prior to being sanitized.
	 */
	return apply_filters( 'sanitize_textarea_field', $filtered, $str );
}

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更新日志

Version	description
4.7.0	Introduced.

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相关函数

Uses

• wp-includes/formatting.php: _sanitize_text_fields()
• wp-includes/formatting.php: sanitize_textarea_field
• wp-includes/plugin.php: apply_filters()

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User Contributed Notes