str_starts_with()

The str_starts_with() function is used to perform a case-sensitive search to check whether a string starts with a given substring.

Syntax

$stringstartswith = str_starts_with($str, $substring);

The $str represents the input string to check.

The $substr represents the substring to search for in the input string.

The str_starts_with() function returns true if the $str starts with the $substr or false otherwise.

Example

The example below demonstrates str_starts_with() operating on the same string in three ways (single character, multiple characters, and a case-sensitive example).

<?php
$str = 'Peanut Butter Jelly';
$substr = 'P';
$stringstartswith = str_starts_with($str, $substr) ? 'begins' : 'does not begin';

echo ("the string $str $stringstartswith with $substr.\n");

$str = 'Peanut Butter Jelly';
$substr = 'Peanut';
$stringstartswith = str_starts_with($str, $substr) ? 'begins' : 'does not begin';

echo "the string $str $stringstartswith with $substr.\n";

$str = 'Peanut Butter Jelly';
$substr = 'p';
$stringstartswith = str_starts_with($str, $substr) ? 'begins' : 'does not begin';

echo "the string $str $stringstartswith with $substr.\n";
?>

This will result in the following output:

the string Peanut Butter Jelly begins with P.
the string Peanut Butter Jelly begins with Peanut.
the string Peanut Butter Jelly does not begin with p.