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WP_Filesystem_Base::is_binary( string $text ): bool

Determines if the string provided contains binary characters.

Parameters

$textstringrequired
String to test against.

Return

bool True if string is binary, false otherwise.

Source

public function is_binary( $text ) {
	return (bool) preg_match( '|[^\x20-\x7E]|', $text ); // chr(32)..chr(127)
}

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Changelog

Version Description
2.7.0 Introduced.

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Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/classes/wp_filesystem_base/is_binary