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ctype_upper(PHP 4 >= 4.0.4, PHP 5, PHP 7) ctype_upper — Check for uppercase character(s) Description
bool ctype_upper
( string
$text
)
Checks if all of the characters in the provided string,
Parameters
Return Values
Returns Examples
Example #1 A ctype_upper() example (using the default locale)
<?php The above example will output: The string AKLWC139 does not consist of all uppercase letters. The string LMNSDO consists of all uppercase letters. The string akwSKWsm does not consist of all uppercase letters. Notes
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