<?php
$key = '价格';
$doc = [];
$doc[$key] = "1";
$value = $doc[$key];
var_dump($doc);
if(preg_match('/[0-9]\d*/', $value)) $doc[$key] = floatval($value);
else unset($doc[$key]);
var_dump($doc);
- Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 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, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
- array(1) {
["价格"]=>
string(1) "1"
}
array(1) {
["价格"]=>
float(1)
}
- Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
- Parse error: syntax error, unexpected '[' in /in/B2J8C on line 4
Process exited with code 255. - Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
- Parse error: parse error, unexpected '[' in /in/B2J8C on line 4
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error in /in/B2J8C on line 4
Process exited with code 255.
preferences:
251.55 ms | 401 KiB | 394 Q