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<?php function cn_substrr($str,$slen,$startdd=0) { $str = cn_substr(stripslashes($str),$slen,$startdd); return addslashes($str); } $a = '测试这是一个测试'; //$a = 'xxxxbbbbbnnn'; $b = cn_substrr($a,5,0); var_dump($b); ?>
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Call to undefined function cn_substr() in /in/tO0m5:5 Stack trace: #0 /in/tO0m5(15): cn_substrr('\xE6\xB5\x8B\xE8\xAF\x95\xE8\xBF\x99\xE6\x98\xAF\xE4\xB8\x80...', 5, 0) #1 {main} thrown in /in/tO0m5 on line 5
Process exited with code 255.
Output for 5.2.3 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.35, 5.6.0 - 5.6.28
Fatal error: Call to undefined function cn_substr() in /in/tO0m5 on line 5
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.2
<br /> <b>Fatal error</b>: Call to undefined function cn_substr() in <b>/in/tO0m5</b> on line <b>5</b><br />
Process exited with code 255.
Output for 4.4.5 - 4.4.9
<br /> <b>Fatal error</b>: Call to undefined function: cn_substr() in <b>/in/tO0m5</b> on line <b>5</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
<br /> <b>Fatal error</b>: Call to undefined function: cn_substr() in <b>/in/tO0m5</b> on line <b>5</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1
<br /> <b>Fatal error</b>: Call to undefined function: cn_substr() in <b>/in/tO0m5</b> on line <b>5</b><br />
preferences:
233.84 ms | 401 KiB | 343 Q