Wie kann ich einen String in PHP auf die ersten 20 Wörter beschränken?

Using PHP Function to Truncate Strings to the First 20 Words

In PHP, truncating a string to a specific word count is easily achievable using the limit_text() function. This function analyzes the string to determine if its word count exceeds the desired limit.

Logic of the Function:

1. The str_word_count() function is utilized to calculate the number of words in the input string using the 0 option.
2. If the word count exceeds the specified limit, the str_word_count() function is again employed, this time with the 2 option, to extract an array containing the positions of each word.
3. The array_keys() function is then used to obtain an array of keys corresponding to the word positions, and the position of the word at the specified limit is retrieved.
4. Finally, the string is truncated by selecting characters up to the word position with a "..." ellipsis appended to indicate truncation.

Example Usage:

The given code snippet demonstrates how to use the limit_text() function to truncate a string to the first five words:

echo limit_text('Hello here is a long sentence that will be truncated by the', 5);

Output:

Hello here is a long ...

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