@ 2013-03-31T17:30:05Z <?php
function msubstr($str, $start, $len) {
$tmpstr = "";
$strlen = $start + $len;
for($i = 0; $i < $strlen; $i++) {
if(ord(substr($str, $i, 1)) > 0xa0) {
$tmpstr .= substr($str, $i, 2);
$i++;
} else
$tmpstr .= substr($str, $i, 1);
}
return $tmpstr;
}
var_dump();
//
$a = '测试这是一个测试';
$a = 'xxxxbbbbbnnn';
$b = msubstr($a,0,5);
var_dump($b);
?>
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Output for 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 ArgumentCountError: var_dump() expects at least 1 argument, 0 given in /in/phjiA:16
Stack trace:
#0 /in/phjiA(16): var_dump()
#1 {main}
thrown in /in/phjiA on line 16
Process exited with code 255 . Output for 5.3.0 - 5.3.29 , 5.4.0 - 5.4.45 , 5.5.0 - 5.5.35 , 5.6.0 - 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 Warning: var_dump() expects at least 1 parameter, 0 given in /in/phjiA on line 16
string(5) "xxxxb"
Output for 4.3.0 - 4.3.11 , 4.4.0 - 4.4.9 , 5.0.0 - 5.0.5 , 5.1.0 - 5.1.6 , 5.2.0 - 5.2.17 Warning: Wrong parameter count for var_dump() in /in/phjiA on line 16
string(5) "xxxxb"
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241.21 ms | 402 KiB | 374 Q