Question

get_url_in_content( string $content )

Extract and return the first URL from passed content.

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description

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参数

$content

(string) (Required) A string which might contain a URL.

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返回值

(string|false) The found URL.

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源代码

File: wp-includes/formatting.php

function get_url_in_content( $content ) {
	if ( empty( $content ) ) {
		return false;
	}

	if ( preg_match( '/<a\s[^>]*?href=([\'"])(.+?)\1/is', $content, $matches ) ) {
		return esc_url_raw( $matches[2] );
	}

	return false;
}

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更新日志

Version	description
3.6.0	Introduced.

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相关函数

Uses

• wp-includes/formatting.php: esc_url_raw()

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User Contributed Notes