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ÅܼƪºÅܼÆ

ÅܼƪºÅܼƦ³®É¥Î°_¨Ó·|«Ü¤è«K. ÅܼƪºÅܼƴN¬O«ü¥i¥H±NÅÜ¼Æ·í¦¨¥t¤@­ÓÅܼƪº¦WºÙ. «Å§i´¶³qÅܼƪº¤èªk¦p¤U :

 $a = "hello";
    

ÅܼƪºÅܬO§Q¥Î¤@­ÓÅܼƪº­È·íµÛ¥t¤@­ÓÅܼƼƪº¦WºÙ. .¦b¤W­±ªº¨Ò¤l¤¤, hello,¥i¥H·í¦¨¤@­Ó Åܼƪº¦WºÙ, ¥u­n¦b$a «e¦A¥[¤@­Ó$¸¹ .

$$a = "world";
    

¥H¤Wªº¨Ò¤l, ©w¸q¤F¨â­ÓÅܼÆ, $a ªº¤º®e¬°" hello" , $hello ªº­È¬° "word". ©Ò¥H¥H¤Uªº±Ô­z :

echo "$a ${$a}";
    

©M¤U­±³o­Ó±Ô­z·|²£¥Í¦P¼Ëªºµ²ªG :

echo "$a $hello";
    

¥L­Ìªº¿é¥X¦P¬°: hello world.

¦pªG·Q§âÅܼƪºÅܼÆ(variable variable)À³¥Î¦b°}¦C¤W ,¦ý±o¥ý¸Ñ¨M ¤@­Ó¼Ò½kªº°ÝÃD. ¨Ò¦p $$a[1] , ¸ÑĶ¾¹¤£¾å±oµ{¦¡³]­pªÌ¬O­n±N$a[1]·í¦¨ ¤@­ÓÅܼÆÁÙ¬O±N$$a ·í¦¨ÅܼÆ, [1] ·í¦¨Åܼƪº¯Á¤Þ. ²Ä¤@­Ó°ÝÃDªº¸Ñ¨M¤èªk¬°° ¥Î${$a[1]}, ²Ä¤G­Ó°ÝÃDªº¸Ñ¨M¤èªk¬° ${$a}[1] .