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<?php $str = '日本語'; var_dump(strlen($str)); var_dump(mb_strlen($str)); var_dump(iconv_strlen($str));
Output for 5.6.8 - 5.6.20, 5.6.28, 7.0.0 - 7.0.5, 7.0.14 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.32, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
int(9) int(3) int(3)
Output for 7.0.6, 7.3.32 - 7.3.33, 7.4.33, 8.0.13
int(9) int(3) Fatal error: Uncaught Error: Call to undefined function iconv_strlen() in /in/PsumG:6 Stack trace: #0 {main} thrown in /in/PsumG on line 6
Process exited with code 255.
Output for 5.6.21
int(9) int(3) Fatal error: Call to undefined function iconv_strlen() in /in/PsumG on line 6
Process exited with code 255.
Output for 5.5.35
int(9) int(9) Fatal error: Call to undefined function iconv_strlen() in /in/PsumG on line 6
Process exited with code 255.
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 - 5.5.34
int(9) int(9) int(9)
Output for 4.4.5 - 4.4.9
int(9) int(9) Fatal error: Call to undefined function: iconv_strlen() in /in/PsumG on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
int(9) int(9) Fatal error: Call to undefined function: iconv_strlen() in /in/PsumG on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1
int(9) int(9) Fatal error: Call to undefined function: iconv_strlen() in /in/PsumG on line 6

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