| public static startsWith ( string $string, string $with, boolean $caseSensitive = true ) : boolean | ||
| $string | string | Input string |
| $with | string | Part to search inside the $string |
| $caseSensitive | boolean | Case sensitive search. Default is true. When case sensitive is enabled, $with must exactly match the starting of the string in order to get a true value. |
| return | boolean | Returns true if first input starts with second input, false otherwise |
public static function startsWith($string, $with, $caseSensitive = true)
{
if (!($bytes = static::byteLength($with))) {
return true;
}
if ($caseSensitive) {
return strncmp($string, $with, $bytes) === 0;
} else {
return mb_strtolower(mb_substr($string, 0, $bytes, '8bit'), Yii::$app->charset) === mb_strtolower($with, Yii::$app->charset);
}
}