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run code in 150+ php & hhvm versions
Bugs & Features
<?php $key = '价格'; $doc = []; $doc[$key] = "1a"; $value = $doc[$key]; var_dump($doc); if(preg_match('/^\d+/', $value)) $doc[$key] = floatval($value); else unset($doc[$key]); var_dump($doc);
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(1) { ["价格"]=> string(2) "1a" } array(1) { ["价格"]=> float(1) }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/RSLLE on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/RSLLE on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/RSLLE on line 4
Process exited with code 255.