3v4l.org

run code in 300+ PHP versions simultaneously
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Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.27, 8.3.0 - 8.3.15, 8.4.1 - 8.4.2
substr from position 15, 5 characters => dolor substr from position -5, 4 characters => elit strpos of dolor (case sensitive) => 12 stripos of dOLlor (case insensitive) => 12 str_replace ipsum (case sensitive) with hello => Lorem IPSUM dolor sit amet, consectetur hello adipiscing elit. str_replace ipsum (case insensitive) with hello => Lorem hello dolor sit amet, consectetur hello adipiscing elit. strlen (length) of a => 62

preferences:
104.15 ms | 413 KiB | 5 Q