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<?php $c = 'déjà'; // skipped tests var_dump('jà' === grapheme_substr($c, -2, 3)); var_dump("" === grapheme_substr($c, -1, 0) ); var_dump(false === grapheme_substr($c, 1, -4) ); // issued part var_dump('à' === grapheme_substr('éà', 1, -2));
Output for 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
bool(true) bool(true) bool(false) bool(false)
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 bool(true) bool(true) bool(false) bool(false)
Output for 7.0.5, 7.3.32 - 7.3.33, 7.4.33, 8.0.13
Fatal error: Uncaught Error: Call to undefined function grapheme_substr() in /in/DZ5LF:5 Stack trace: #0 {main} thrown in /in/DZ5LF on line 5
Process exited with code 255.
Output for 5.4.18 - 5.4.45, 5.5.24 - 5.5.28, 5.5.31 - 5.5.33, 5.5.35, 5.6.7 - 5.6.12, 5.6.16 - 5.6.19, 5.6.21 - 5.6.28, 7.0.0 - 7.0.4, 7.0.6 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.32
bool(true) bool(true) bool(true) bool(false)
Output for 5.5.29 - 5.5.30, 5.5.34, 5.6.13 - 5.6.15, 5.6.20
Fatal error: Call to undefined function grapheme_substr() in /in/DZ5LF on line 5
Process exited with code 255.
Output for 5.4.1 - 5.4.17
bool(true) bool(false) bool(false) bool(true)
preferences:
176.49 ms | 401 KiB | 228 Q