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<?php $emoji = "\u{1F469}\u{200D}\u{2764}\u{FE0F}\u{200D}\u{1F48B}\u{200D}\u{1F469}"; echo $emoji , " : " , strlen($emoji) , "\n"; // 27, count byte echo $emoji , " : " , mb_strlen($emoji) , "\n"; // 8, count characters echo $emoji , " : " , grapheme_strlen($emoji) , "\n"; // 1, count grapheme units
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.32, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
👩‍❤️‍💋‍👩 : 27 👩‍❤️‍💋‍👩 : 8 👩‍❤️‍💋‍👩 : 1
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 👩‍❤️‍💋‍👩 : 27 👩‍❤️‍💋‍👩 : 8 👩‍❤️‍💋‍👩 : 1
Output for 7.4.33
👩‍❤️‍💋‍👩 : 27 👩‍❤️‍💋‍👩 : 8 👩‍❤️‍💋‍👩 : Fatal error: Uncaught Error: Call to undefined function grapheme_strlen() in /in/KSSl4:6 Stack trace: #0 {main} thrown in /in/KSSl4 on line 6
Process exited with code 255.
Output for 5.6.0 - 5.6.40
\u{1F469}\u{200D}\u{2764}\u{FE0F}\u{200D}\u{1F48B}\u{200D}\u{1F469} : 67 \u{1F469}\u{200D}\u{2764}\u{FE0F}\u{200D}\u{1F48B}\u{200D}\u{1F469} : 67 \u{1F469}\u{200D}\u{2764}\u{FE0F}\u{200D}\u{1F48B}\u{200D}\u{1F469} : 67

preferences:
221.28 ms | 402 KiB | 300 Q