strchr() in PHP

strchr() : finding substrings and extracting parts of strings

strchr(string $haystack, mixed $needle, bool $before_needle = false): string|false

Returns the substring starting from the match point onwards, or returns FALSE if no match is found in the string.

strchr() function in PHP performs a case-sensitive search to find the first occurrence of a specified character in a string. If you need a case-insensitive search, you might use stristr() instead.

strchr() is just an alias for strstr()

Example 1: Basic Usage

Find the first occurrence of "world" in the string.

$text = "Hello world, the world is great!";
$result = strchr($text, "world");
echo $result;

world, the world is great!

Example 2: Using the before_needle Parameter

Return part of the string before the first occurrence of "world".

$text = "Hello world, the world is great!";
$result = strchr($text, "world", true);
echo $result;

Output

Hello

Example 3: Case-Sensitive Search

Searching for "World" will not match "world" due to case sensitivity.

$text = "Hello world, the world is great!";
$result = strchr($text, "World");
echo $result ? 'True':'False';

Output

False

String Functions chunk_split(): Split a string into smaller chunks

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