phpswitchfalse

functionsumDiscount($count)switch(false)case$count<10:return0.8;case$count<5:return0.9;default:return1;}}echosumDiscount(4) ...,2017年3月5日—$value>=90evaluatestofalse.As$valueis0,itisconsideredfalse.That'swhyyourcaseworks.Inasimplewayitcanberewrittenas ...,2018年5月1日—=FALSE;var_dump(is_int($value));//GivesFALSEswitch($value)//PHPrunsis_intfirstanditreturnsFALSE//ItbecomescaseFALSE ...

參考資訊如下
使用"switch(true)" 代替大量if

function sumDiscount($count) switch(false) case $count &lt; 10: return 0.8; case $count &lt; 5: return 0.9; default: return 1; } } echo sumDiscount(4) ...

Switch case evaluates to true while the same statement in if ...

2017年3月5日 — $value &gt;= 90 evaluates to false. As $value is 0, it is considered false . That's why your case works. In a simple way it can be rewritten as ...

PHP Returning Data Type with Switch vs If Else

2018年5月1日 — = FALSE; var_dump(is_int($value)); // Gives FALSE switch ($value) // PHP runs is_int first and it returns FALSE // It becomes case FALSE ...

php Switch statement and 0

2013年4月25日 — 1. use switch(true) as $a==='Test' equates to true or false · You're going to get loose typing comparison for the cases in the switch statement - ...

PHP Switch True False constant values

2015年5月29日 — PHP Switch True / False constant values ... Is there a way to switch the defined Constant values of true / false in PHP? I am trying to make true ...

How to handle a PHP switch with different types?

2011年4月6日 — How can I make the switch respect data types ( is there a workaround better then if/else ) ? $value = false; // should echo false; $value = null ...

Why "switch(true)}" in php with a strange logic?

2012年1月12日 — When converting to boolean, the following values are considered FALSE: the boolean FALSE itself; the integer 0 (zero); the float 0.0 (zero); the ...

PHP: switch

The switch statement is similar to a series of IF statements on the same expression. In many occasions, you may want to compare the same variable (or expression) ...

Can we use php boolean in switch conditions?

2020年4月19日 — Yes we can use. Copy this code in Sololearn Playground and run. &lt;?php $bool = true; switch($bool) case true: echo true; break; ...