How can PHP developers ensure proper syntax and formatting when using string manipulation functions like strtok()?

When using string manipulation functions like strtok(), PHP developers can ensure proper syntax and formatting by carefully checking the input string for any special characters or unexpected values that may cause errors. Additionally, developers should always handle edge cases and provide proper error handling to prevent unexpected behavior. 

$input_string = "Hello,World";
$delimiter = ',';
$token = strtok($input_string, $delimiter);

while ($token !== false) {
    echo $token . "\n";
    $token = strtok($delimiter);
}

Keywords

PHP string manipulation strtok() syntax formatting

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