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@ 2016-12-24T11:10:59Z

<?php
var_dump('1.5'+' 2');
var_dump('1.5'+' a'); // Warning on PHP >= 7.1
var_dump('1.5'+(float)' 2a');
var_dump('1.5'+' 2a'); // Notice on PHP >= 7.1
var_dump('1.5'+(float)' 2a');

Output
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var_dump: documentation ( source)

preferences:dark modelive preview

53.71 ms | 402 KiB | 5 Q