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run code in 300+ PHP versions simultaneously
<?php $string = '$𝄞𝄞'; $array = str_split($string); foreach ($array as $char) { var_dump(mb_strlen($char)); var_dump(strlen($char)); }
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
int(1) int(1) int(1) int(1) int(1) int(1) int(1) int(1) int(1) int(1) int(1) int(1) int(1) int(1) int(1) int(1) int(1) int(1)
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: str_split() in /in/PQQaB on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: str_split() in /in/PQQaB on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: str_split() in /in/PQQaB on line 4

preferences:
256.43 ms | 401 KiB | 338 Q