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+---
+Title: 'str_starts_with()'
+Description: 'Performs a case-sensitive search to check if a string starts with a given substring.'
+Subjects:
+  - 'Web Development'
+  - 'Web Design'
+  - 'Computer Science'
+Tags:
+  - 'Strings'
+  - 'Functions'
+CatalogContent:
+  - 'learn-php'
+  - 'paths/computer-science'
+---
+
+The **`str_starts_with()`** function is used to perform a case-sensitive search to check whether a string starts with a given substring.
+
+## Syntax
+
+```pseudo
+$stringstartswith = str_starts_with($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 `$substr` or false otherwise.
+
+## Example
+
+The example below demonstrates `str_starts_with()` operating on the same string in three ways (single character, multiple characters, and a case-sensitive example).
+
+```php
+<?php
+$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:
+
+```shell
+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.
+```