PHP - Searching for a Set of Characters with strpbrk()

Introduction

To find out if a string contains any one of a set of characters, use strpbrk() function.

It takes two arguments:

• the string to search, and
• a string containing the list of characters to search for.

The function returns the portion of the string from the first matched character to the end of the string.

If none of the characters in the set are found in the string, strpbrk() returns false.

Demo

<?php
$myString = "Hello, world!";
echo strpbrk( $myString, "abcdef" ); // Displays'ello, world!'
echo strpbrk( $myString, "xyz" ); // Displays''(false)

$username = "matt@example.com";
if ( strpbrk( $username, "@!" ) ) echo "@ and ! are not allowed in usernames";
?>/*from w  w w.  j  av a  2s .  c  o m*/

Result

Related Topic

• String Functions
• String word Count
• String substring
• String Searching
• Searching Strings with strstr()
• Locating Text with strpos() and strrpos()
• Finding the Number of Occurrences with substr_count()
• String Replacing
• Replacing All Occurrences using str_replace()
• Replacing a Portion of a String with substr_replace()
• Justifying Text
• Translating Characters with strtr()
• String Uppercase and Lowercase
• String case sensitive search
• Trimming Strings with trim(), ltrim(), and rtrim()
• Padding Strings with str_pad()
• Wrapping Lines of Text with wordwrap()
• Write program to emulate the function call str_pad($myString, $desiredLength)

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