- Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
 - explode(): array (
  0 => 'foo',
  1 => 'bar,',
  2 => 'php',
  3 => 'js',
  4 => '',
  5 => 'double-space',
  6 => 'apo\'strophe',
  7 => '9',
  8 => '',
)
preg_split(): 
Deprecated: preg_split(): Passing null to parameter #3 ($limit) of type int is deprecated in /in/3TT2V on line 6
array (
  0 => 'foo',
  1 => 'bar,',
  2 => 'php',
  3 => 'js',
  4 => 'double-space',
  5 => 'apo\'strophe',
  6 => '9',
)
str_word_count(): array (
  0 => 'foo',
  1 => 'bar',
  2 => 'php',
  3 => 'js',
  4 => 'double-space',
  5 => 'apo\'strophe',
)
preg_match_all(): array (
  0 => 'foo',
  1 => 'bar',
  2 => 'php',
  3 => 'js',
  4 => 'double',
  5 => 'space',
  6 => 'apo',
  7 => 'strophe',
)
 - Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
 - explode(): array (
  0 => 'foo',
  1 => 'bar,',
  2 => 'php',
  3 => 'js',
  4 => '',
  5 => 'double-space',
  6 => 'apo\'strophe',
  7 => '9',
  8 => '',
)
preg_split(): array (
  0 => 'foo',
  1 => 'bar,',
  2 => 'php',
  3 => 'js',
  4 => 'double-space',
  5 => 'apo\'strophe',
  6 => '9',
)
str_word_count(): array (
  0 => 'foo',
  1 => 'bar',
  2 => 'php',
  3 => 'js',
  4 => 'double-space',
  5 => 'apo\'strophe',
)
preg_match_all(): array (
  0 => 'foo',
  1 => 'bar',
  2 => 'php',
  3 => 'js',
  4 => 'double',
  5 => 'space',
  6 => 'apo',
  7 => 'strophe',
)