considering that the variable only can be String fetched from an HTML Form (input-text, textarea).
considering that the variable only can be String fetched from an HTML Form (input-text,
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considering that the variable only can be String fetched from an HTML Form (input-text, textarea).
Yes, there is a difference between
strlen($str)==0andempty($str).emptyreturns true if the value is"0". See the PHP type comparison tables.