mb_strlen( string $string, string|null $encoding = null ): int

Parameters

$stringstring

The string to retrieve the character length from.

$encodingstring|nulloptional

Character encoding to use. Default null.Default: null

Return

int

String length of $string.

Uses · 1

• _mb_strlen()Internal compat function to mimic mb_strlen().

Used by · 12

• PHPMailer::base64EncodeWrapMB()
• PHPMailer::hasMultiBytes()
• POMO_Reader::strlen()
• ParagonIE_Sodium_Core_Util::strlen()Safe string length
• Services_JSON::strlen8()Calculates length of string in bytes
• get_avatar_data()Retrieves default data about the avatar.
• get_sample_permalink_html()Returns the HTML of the sample permalink slug editor.
• getid3_lib::CopyTagsToComments()
• rest_validate_string_value_from_schema()Validates a string value based on a schema.
• wp_check_comment_data_max_lengths()Compares the lengths of comment data against the maximum character limits.
• wp_insert_user()Inserts a user into the database.
• wpdb::strip_invalid_text()Strips any invalid characters based on value/charset pairs.

Source

View on Trac ↗View on GitHub ↗

204	function mb_strlen( $string, $encoding = null ) { // phpcs:ignore Universal.NamingConventions.NoReservedKeywordParameterNames.stringFound205		return _mb_strlen( $string, $encoding );206	}

History

Introduced in 4.2.0. Unchanged from 6.7.7 through 7.1.0.

1. 6.7.7
2. 6.8.8
3. 6.9.7
4. 7.0.4
5. 7.1.0

Signature, return type and hooks compared across 5 parsed releases.

About this page

Parsed data

Generated from the wordpress-develop 7.0.4 tag, from src/wp-includes/compat.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.

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