strpos   PHP

Summary

Find the position of the first occurrence of a substring in a string

Requirements

None.

• define
• strpos.php

strpos ( string $haystack , mixed $needle [, int $offset = 0 ] ) : int

<?php
$str = 'abcd';

$pos_a = strpos($str, 'a');
$pos_e = strpos($str, 'e');

var_dump($pos_a);
var_dump($pos_e);

if($pos_e === false) {
    echo "the String 'e' was not found in the string '$str'";
} else {
    echo "the String 'e' exists at position $pos_e";
}

?>

Result

int(0) bool(false) the String 'e' was not found in the string 'abcd'

References

• https://www.php.net/manual/en/function.strpos.php

Tags

#string  #strpos