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)

Karthikeya Boyini

Published on 21-Feb-2019 13:36:08

• Related Questions & Answers
• IntlChar::isbase() function in PHP
• IntlChar::isalnum() function in PHP
• IntlChar::isprint() function in PHP
• IntlChar::iscntrl() function in PHP
• IntlChar::isxdigit() function in PHP
• IntlChar::isspace() function in PHP
• IntlChar::ispunct() function in PHP
• IntlChar::isUUppercase() function in PHP
• IntlChar::charName() function in PHP
• IntlChar::charAge() function in PHP
• IntlChar::isUWhiteSpace() function in PHP
• IntlChar::isIDIgnorable() function in PHP
• IntlChar::isISOControl() function in PHP
• IntlChar::isULowercase() function in PHP
• IntlChar::isIDPart() function in PHP