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str_contains

str_contains

Determine if a string contains a given substring

bool **str_contains** string $haystack string $needle

Performs a case-sensitive check indicating if is contained in . needle``haystack

haystackThe string to search in.

needle The substring to search for in the . haystack

Returns true if is in , false otherwise. needle``haystack

**Voorbeeld: Using the empty string **

<?php
if (str_contains('abc', '')) {
    echo "Checking the existence of the empty string will always return true";
}
?>
Checking the existence of the empty string will always return true

Voorbeeld: Showing case-sensitivity

<?php
$string = 'The lazy fox jumped over the fence';

if (str_contains($string, 'lazy')) {
    echo "The string 'lazy' was found in the string\n";
}

if (str_contains($string, 'Lazy')) {
    echo 'The string "Lazy" was found in the string';
} else {
    echo '"Lazy" was not found because the case does not match';
}

?>
The string 'lazy' was found in the string
"Lazy" was not found because the case does not match

str_ends_with``str_starts_with``stripos``strrpos``strripos``strstr``strpbrk``substr``preg_match