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Variable handling Functions

boolval debug_zval_dump doubleval floatval get_debug_type get_defined_vars get_resource_id get_resource_type gettype intval is_array is_bool is_callable is_countable is_double is_float is_int is_integer is_iterable is_long is_null is_numeric is_object is_resource is_scalar is_string print_r serialize settype strval unserialize var_dump var_export

is_string

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Supported Versions: PHP 4, PHP 5, PHP 7, PHP 8
Find whether the type of a variable is string
<?php is_string(mixed $value): bool
<?php     {

        $output = ($this->callable)();



        if (is_string($output)) {

            return $output;

        }
src/Task.php