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<?php /* @link https://stackoverflow.com/a/79573960/367456 */ $xxx = null; echo '$xxx: '; var_dump($xxx); # echoes: $xxx: NULL echo gettype($xxx), ': ', var_export($xxx, true), "\n"; # echoes: NULL: NULL echo get_debug_type($xxx), "\n"; # echoes: null $xxx = false; echo '$xxx: '; var_dump($xxx); # echoes: $xxx: bool(false) echo gettype($xxx), ': ', var_export($xxx, true), "\n"; # echoes: boolean: false echo get_debug_type($xxx), "\n"; # echoes: bool $xxx = ''; echo '$xxx: '; var_dump($xxx); # echoes: $xxx: string(0) "" echo gettype($xxx), ': ', var_export($xxx, true), "\n"; # echoes: string: '' echo get_debug_type($xxx), "\n"; # echoes: string
Output for git.master_jit, git.master
$xxx: NULL NULL: NULL null $xxx: bool(false) boolean: false bool $xxx: string(0) "" string: '' string

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