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IntlChar::isalpha() function in PHP
The IntlChar::isalpha() function is used to check the given input is an alphanumeric character or not.
Syntax
IntlChar::isalpha( $val )
Parameters
val − An integer values or character encoded as a UTF-8 string.Required.
Return
The IntlChar::isalpha() function returns TRUE if the val is alphanumeric character.
Example
The following is an example −
<?php
var_dump(IntlChar::isalpha("7"));
echo "<br>";
var_dump(IntlChar::isalpha("M"));
?>Output
The following is the output −
bool(false) bool(true)
Example
Let us see another example wherein we are checking for alphanumeric characters −
<?php
var_dump(IntlChar::isalpha("Amit"));
echo "<br>";
var_dump(IntlChar::isalpha("Jacob87876"));
echo "<br>";
var_dump(IntlChar::isalpha("87876"));
echo "<br>";
var_dump(IntlChar::isalpha("A"));
?>Output
The following is the output −
NULL NULL NULL bool(true)
Updated on: 30-Dec-2019
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