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<?php $string = "this is my my word with new word"; //echo count(str_word_count($string)); echo unique_word_count($string); function unique_word_count($string) { //$string = explode(' ', strtolower($string)); //$string = str_word_count($string, 1); $string = preg_split('\s', strtolower($string)); $words = array_unique($string); return count($words); }
Output for 8.3.0 - 8.3.7
Warning: preg_split(): Delimiter must not be alphanumeric, backslash, or NUL in /in/IY8Bc on line 11 Fatal error: Uncaught TypeError: array_unique(): Argument #1 ($array) must be of type array, false given in /in/IY8Bc:12 Stack trace: #0 /in/IY8Bc(12): array_unique(false) #1 /in/IY8Bc(6): unique_word_count(false) #2 {main} thrown in /in/IY8Bc on line 12
Process exited with code 255.
Output for 8.2.0 - 8.2.18
Warning: preg_split(): Delimiter must not be alphanumeric, backslash, or NUL in /in/IY8Bc on line 11 Fatal error: Uncaught TypeError: array_unique(): Argument #1 ($array) must be of type array, bool given in /in/IY8Bc:12 Stack trace: #0 /in/IY8Bc(12): array_unique(false) #1 /in/IY8Bc(6): unique_word_count(false) #2 {main} thrown in /in/IY8Bc on line 12
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
Warning: preg_split(): Delimiter must not be alphanumeric or backslash in /in/IY8Bc on line 11 Fatal error: Uncaught TypeError: array_unique(): Argument #1 ($array) must be of type array, bool given in /in/IY8Bc:12 Stack trace: #0 /in/IY8Bc(12): array_unique(false) #1 /in/IY8Bc(6): unique_word_count(false) #2 {main} thrown in /in/IY8Bc on line 12
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: preg_split(): Delimiter must not be alphanumeric or backslash in /in/IY8Bc on line 11 Warning: array_unique() expects parameter 1 to be array, bool given in /in/IY8Bc on line 12 Warning: count(): Parameter must be an array or an object that implements Countable in /in/IY8Bc on line 13 0
Output for 7.2.0 - 7.2.33
Warning: preg_split(): Delimiter must not be alphanumeric or backslash in /in/IY8Bc on line 11 Warning: array_unique() expects parameter 1 to be array, boolean given in /in/IY8Bc on line 12 Warning: count(): Parameter must be an array or an object that implements Countable in /in/IY8Bc on line 13 0
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33
Warning: preg_split(): Delimiter must not be alphanumeric or backslash in /in/IY8Bc on line 11 Warning: array_unique() expects parameter 1 to be array, boolean given in /in/IY8Bc on line 12 0
Output for 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Warning: preg_split(): Delimiter must not be alphanumeric or backslash in /in/IY8Bc on line 11 Warning: array_unique(): The argument should be an array in /in/IY8Bc on line 12 1
Output for 4.3.2 - 4.3.10
Warning: Delimiter must not be alphanumeric or backslash in /in/IY8Bc on line 11 Warning: array_unique(): The argument should be an array in /in/IY8Bc on line 12 1
Output for 4.3.0 - 4.3.1
Warning: Delimiter must not be alphanumeric or backslash in /in/IY8Bc on line 11 Warning: array_unique() [http://www.php.net/function.array-unique]: The argument should be an array in /in/IY8Bc on line 12 1
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