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How to check for alphabetic character from string in php?

theindreshverma ( Added  28 Oct 2021, 05:59 pm )
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Php ctype_alpha() method check for alphabetic character.

<?php
$strings = array('KjgWZC', 'arf12');
foreach ($strings as $testcase) {
    if (ctype_alpha($testcase)) {
        echo "The string $testcase consists of all letters.\n";
    }
    else {
        echo "The string $testcase does not consist of all letters.\n";
    }
}
?>

Output

The string KjgWZC consists of all letters.
The string arf12 does not consist of all letters.

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