Question

valid_unicode( int $i )

Helper function to determine if a Unicode value is valid.

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description

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参数

$i

(int) (Required) Unicode value

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返回值

(bool) True if the value was a valid Unicode number

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源代码

File: wp-includes/kses.php

function valid_unicode($i) {
	return ( $i == 0x9 || $i == 0xa || $i == 0xd ||
			($i >= 0x20 && $i <= 0xd7ff) ||
			($i >= 0xe000 && $i <= 0xfffd) ||
			($i >= 0x10000 && $i <= 0x10ffff) );
}

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更新日志

Version	description
2.7.0	Introduced.

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相关函数

Used By

• wp-includes/kses.php: wp_kses_normalize_entities2()
• wp-includes/kses.php: wp_kses_normalize_entities3()

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User Contributed Notes