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Removal method: First use strrchr() to return a string in the form of ".suffix name"; then use str_replace() to replace the string in the form of ".suffix name" in the file name with a null character; Syntax "str_replace(strrchr(filename, "."),"",filename);".
##php remove the file suffix
<?php $filename="help.php"; $filename=str_replace(strrchr($filename, "."),"",$filename); echo $filename; ?>Output:
help
##Instructions:Recommendation: "PHP Video Tutorial"
strrchr() function finds the last occurrence of a string in another string and returns all characters from that position to the end of the string.
Syntax:
strrchr(string,char)
Parameters:
##string Required. Specifies the string to be searched for.str_replace(find,replace,string,count)Parameters:
##find Required. Specifies the value to look for.
replace Required. Specifies the value to replace the value in find .
#string Required. Specifies the string to be searched for.
#count Optional. A variable counting the number of substitutions.
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