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Find whether the type of a variable is string

is_string

(PHP 4, PHP 5)

is_string — Find whether the type of a variable is string

Description

bool is_string ( mixed $var )

Finds whether the type given variable is string.

Parameters

var

The variable being evaluated.

Return Values

Returns TRUE if var is of type string, FALSE otherwise.

Examples

Example #1 is_string() example

<?php
if (is_string("23")) {
 echo "is string\n";
} else {
 echo "is not an string\n";
}
var_dump(is_string('abc'));
var_dump(is_string("23"));
var_dump(is_string(23.5));
var_dump(is_string(true));
?>

The above example will output:

 
 is string bool(true) bool(true) bool(false) bool(false)

See Also