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run code in 300+ PHP versions simultaneously
<?php echo strlen('🏴󠁧󠁢󠁥󠁮󠁧󠁿'); //28 - oh no echo mb_strlen('🏴󠁧󠁢󠁥󠁮󠁧󠁿'); // - closer, but no echo grapheme_strlen('🏴󠁧󠁢󠁥󠁮󠁧󠁿'); //1 - Bingo ?>
Output for 7.4.33, 8.5.1 - 8.5.3
287 Fatal error: Uncaught Error: Call to undefined function grapheme_strlen() in /in/QXCFu:4 Stack trace: #0 {main} thrown in /in/QXCFu on line 4
Process exited with code 255.
Output for 7.4.0 - 7.4.32, 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0
2871
preferences:
167.87 ms | 480 KiB | 5 Q